./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --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 0b6cec80466d26e7f9fcd66257be2e9ddc0be03c06ed1a001e454a4fe37aa1e9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:14:19,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:14:19,635 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 23:14:19,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:14:19,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:14:19,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:14:19,683 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:14:19,684 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:14:19,684 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:14:19,684 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:14:19,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:14:19,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:14:19,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:14:19,685 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:14:19,685 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:14:19,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:14:19,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:14:19,686 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:14:19,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:14:19,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:14:19,688 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:14:19,688 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:14:19,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:14:19,688 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:14:19,688 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:14:19,689 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:14:19,689 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:14:19,689 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:14:19,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:14:19,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:14:19,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:14:19,689 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:14:19,689 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:14:19,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:14:19,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:14:19,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:14:19,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:14:19,690 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:14:19,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:14:19,690 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:14:19,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:14:19,690 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:14:19,690 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:14:19,690 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:14:19,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:14:19,692 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 0b6cec80466d26e7f9fcd66257be2e9ddc0be03c06ed1a001e454a4fe37aa1e9 [2024-11-23 23:14:20,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:14:20,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:14:20,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:14:20,104 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:14:20,105 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:14:20,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2024-11-23 23:14:23,791 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/data/85f90ac7e/dcdcba0d506c4a2189a3aa35e7aa792a/FLAG707745e64 [2024-11-23 23:14:24,367 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:14:24,368 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2024-11-23 23:14:24,418 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/data/85f90ac7e/dcdcba0d506c4a2189a3aa35e7aa792a/FLAG707745e64 [2024-11-23 23:14:24,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/data/85f90ac7e/dcdcba0d506c4a2189a3aa35e7aa792a [2024-11-23 23:14:24,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:14:24,448 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:14:24,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:14:24,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:14:24,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:14:24,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:14:24" (1/1) ... [2024-11-23 23:14:24,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a503f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:24, skipping insertion in model container [2024-11-23 23:14:24,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:14:24" (1/1) ... [2024-11-23 23:14:24,586 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:14:25,047 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715] [2024-11-23 23:14:25,050 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2716-2717] [2024-11-23 23:14:25,157 WARN L250 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_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i[78841,78854] [2024-11-23 23:14:25,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:14:25,773 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:14:25,956 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715] [2024-11-23 23:14:25,957 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2716-2717] [2024-11-23 23:14:25,966 WARN L250 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_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i[78841,78854] [2024-11-23 23:14:26,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:14:26,268 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:14:26,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:26 WrapperNode [2024-11-23 23:14:26,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:14:26,270 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:14:26,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:14:26,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:14:26,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:26" (1/1) ... [2024-11-23 23:14:26,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:26" (1/1) ... [2024-11-23 23:14:26,492 INFO L138 Inliner]: procedures = 143, calls = 706, calls flagged for inlining = 57, calls inlined = 53, statements flattened = 2075 [2024-11-23 23:14:26,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:14:26,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:14:26,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:14:26,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:14:26,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:26" (1/1) ... [2024-11-23 23:14:26,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:26" (1/1) ... [2024-11-23 23:14:26,523 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:26" (1/1) ... [2024-11-23 23:14:26,777 INFO L175 MemorySlicer]: Split 358 memory accesses to 19 slices as follows [2, 9, 3, 31, 5, 10, 7, 143, 13, 28, 5, 12, 8, 4, 12, 13, 6, 42, 5]. 40 percent of accesses are in the largest equivalence class. The 118 initializations are split as follows [2, 6, 3, 0, 5, 0, 0, 0, 13, 0, 0, 0, 8, 4, 12, 13, 6, 42, 4]. The 117 writes are split as follows [0, 0, 0, 31, 0, 10, 6, 43, 0, 24, 3, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-11-23 23:14:26,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:26" (1/1) ... [2024-11-23 23:14:26,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:26" (1/1) ... [2024-11-23 23:14:26,860 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:26" (1/1) ... [2024-11-23 23:14:26,864 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:26" (1/1) ... [2024-11-23 23:14:26,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:26" (1/1) ... [2024-11-23 23:14:26,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:26" (1/1) ... [2024-11-23 23:14:26,921 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:26" (1/1) ... [2024-11-23 23:14:26,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:14:26,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:14:26,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:14:26,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:14:26,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:26" (1/1) ... [2024-11-23 23:14:26,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:14:26,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:14:27,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:14:27,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:14:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 23:14:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 23:14:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 23:14:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 23:14:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 23:14:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 23:14:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 23:14:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 23:14:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 23:14:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 23:14:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 23:14:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 23:14:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 23:14:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 23:14:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 23:14:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 23:14:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-23 23:14:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-23 23:14:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-23 23:14:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-23 23:14:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-23 23:14:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2024-11-23 23:14:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2024-11-23 23:14:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-23 23:14:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-23 23:14:27,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-23 23:14:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-23 23:14:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-23 23:14:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-23 23:14:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-23 23:14:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-23 23:14:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-23 23:14:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-23 23:14:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-23 23:14:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-23 23:14:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-23 23:14:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-23 23:14:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-23 23:14:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-23 23:14:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-23 23:14:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-23 23:14:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-23 23:14:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2024-11-23 23:14:27,055 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2024-11-23 23:14:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 23:14:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 23:14:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 23:14:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 23:14:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 23:14:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 23:14:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 23:14:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 23:14:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 23:14:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 23:14:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 23:14:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 23:14:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 23:14:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 23:14:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 23:14:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 23:14:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-23 23:14:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-23 23:14:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-23 23:14:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 23:14:27,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 23:14:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:14:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:14:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:14:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:14:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 23:14:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 23:14:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 23:14:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 23:14:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 23:14:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 23:14:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 23:14:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 23:14:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 23:14:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 23:14:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 23:14:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 23:14:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 23:14:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-23 23:14:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-23 23:14:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2024-11-23 23:14:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2024-11-23 23:14:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2024-11-23 23:14:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2024-11-23 23:14:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2024-11-23 23:14:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2024-11-23 23:14:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 23:14:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 23:14:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-23 23:14:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-23 23:14:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-23 23:14:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-23 23:14:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2024-11-23 23:14:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2024-11-23 23:14:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2024-11-23 23:14:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2024-11-23 23:14:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure devm_gpio_request [2024-11-23 23:14:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_gpio_request [2024-11-23 23:14:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:14:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:14:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:14:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:14:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 23:14:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 23:14:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 23:14:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 23:14:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 23:14:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 23:14:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 23:14:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 23:14:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 23:14:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 23:14:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 23:14:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 23:14:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 23:14:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-23 23:14:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-23 23:14:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-23 23:14:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-23 23:14:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-23 23:14:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-23 23:14:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-23 23:14:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-23 23:14:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-23 23:14:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-23 23:14:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 23:14:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 23:14:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2024-11-23 23:14:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2024-11-23 23:14:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2024-11-23 23:14:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2024-11-23 23:14:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_irq_thread_fn [2024-11-23 23:14:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_irq_thread_fn [2024-11-23 23:14:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:14:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:14:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2024-11-23 23:14:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2024-11-23 23:14:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_hci_recv_frame [2024-11-23 23:14:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_hci_recv_frame [2024-11-23 23:14:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 23:14:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:14:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:14:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 23:14:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 23:14:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 23:14:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 23:14:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 23:14:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 23:14:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 23:14:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 23:14:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 23:14:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 23:14:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 23:14:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 23:14:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 23:14:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 23:14:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 23:14:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 23:14:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-23 23:14:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-23 23:14:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-23 23:14:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2024-11-23 23:14:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2024-11-23 23:14:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-23 23:14:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-23 23:14:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2024-11-23 23:14:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2024-11-23 23:14:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt [2024-11-23 23:14:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt [2024-11-23 23:14:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 23:14:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 23:14:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 23:14:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 23:14:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 23:14:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 23:14:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 23:14:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 23:14:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 23:14:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 23:14:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 23:14:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 23:14:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 23:14:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 23:14:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 23:14:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 23:14:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-23 23:14:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-23 23:14:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-23 23:14:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:14:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-23 23:14:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-23 23:14:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-23 23:14:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-23 23:14:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-23 23:14:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-23 23:14:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-23 23:14:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-23 23:14:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-23 23:14:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-23 23:14:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-23 23:14:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-23 23:14:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-23 23:14:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-23 23:14:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-23 23:14:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-23 23:14:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-23 23:14:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-23 23:14:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-23 23:14:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-23 23:14:27,080 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-23 23:14:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_disable [2024-11-23 23:14:27,080 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_disable [2024-11-23 23:14:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-23 23:14:27,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-23 23:14:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-23 23:14:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-23 23:14:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2024-11-23 23:14:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2024-11-23 23:14:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-23 23:14:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-23 23:14:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:14:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:14:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:14:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:14:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 23:14:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 23:14:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 23:14:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 23:14:27,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 23:14:27,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 23:14:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 23:14:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 23:14:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 23:14:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 23:14:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 23:14:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 23:14:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 23:14:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-23 23:14:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-23 23:14:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-23 23:14:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-23 23:14:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-23 23:14:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-23 23:14:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-23 23:14:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-23 23:14:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-23 23:14:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-23 23:14:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-23 23:14:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-23 23:14:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-23 23:14:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-23 23:14:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-23 23:14:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-23 23:14:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-23 23:14:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-23 23:14:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-23 23:14:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-23 23:14:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-23 23:14:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-23 23:14:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-23 23:14:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:14:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:14:27,853 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:14:27,856 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:14:28,004 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 23:14:35,056 INFO L? ?]: Removed 764 outVars from TransFormulas that were not future-live. [2024-11-23 23:14:35,056 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:14:35,103 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:14:35,103 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 23:14:35,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:14:35 BoogieIcfgContainer [2024-11-23 23:14:35,104 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:14:35,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:14:35,110 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:14:35,122 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:14:35,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:14:24" (1/3) ... [2024-11-23 23:14:35,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e69270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:14:35, skipping insertion in model container [2024-11-23 23:14:35,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:26" (2/3) ... [2024-11-23 23:14:35,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e69270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:14:35, skipping insertion in model container [2024-11-23 23:14:35,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:14:35" (3/3) ... [2024-11-23 23:14:35,125 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2024-11-23 23:14:35,145 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:14:35,148 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i that has 36 procedures, 596 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-23 23:14:35,238 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:14:35,258 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@32947cd3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:14:35,258 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:14:35,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 595 states, 442 states have (on average 1.3597285067873304) internal successors, (601), 454 states have internal predecessors, (601), 117 states have call successors, (117), 35 states have call predecessors, (117), 34 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2024-11-23 23:14:35,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-23 23:14:35,300 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:35,301 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:14:35,304 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:35,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:35,311 INFO L85 PathProgramCache]: Analyzing trace with hash 533051669, now seen corresponding path program 1 times [2024-11-23 23:14:35,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:35,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167297343] [2024-11-23 23:14:35,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:35,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:36,904 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-23 23:14:36,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:36,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167297343] [2024-11-23 23:14:36,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167297343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:36,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:36,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:14:36,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756988853] [2024-11-23 23:14:36,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:36,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:14:36,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:36,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:14:36,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:14:36,953 INFO L87 Difference]: Start difference. First operand has 595 states, 442 states have (on average 1.3597285067873304) internal successors, (601), 454 states have internal predecessors, (601), 117 states have call successors, (117), 35 states have call predecessors, (117), 34 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 23:14:37,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:37,461 INFO L93 Difference]: Finished difference Result 1772 states and 2529 transitions. [2024-11-23 23:14:37,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:14:37,466 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 74 [2024-11-23 23:14:37,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:37,503 INFO L225 Difference]: With dead ends: 1772 [2024-11-23 23:14:37,504 INFO L226 Difference]: Without dead ends: 1148 [2024-11-23 23:14:37,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:14:37,523 INFO L435 NwaCegarLoop]: 818 mSDtfsCounter, 803 mSDsluCounter, 2418 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 3236 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:37,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 3236 Invalid, 32 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:14:37,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2024-11-23 23:14:37,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 1139. [2024-11-23 23:14:37,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 859 states have (on average 1.3329452852153667) internal successors, (1145), 867 states have internal predecessors, (1145), 212 states have call successors, (212), 68 states have call predecessors, (212), 67 states have return successors, (211), 207 states have call predecessors, (211), 211 states have call successors, (211) [2024-11-23 23:14:37,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1568 transitions. [2024-11-23 23:14:37,728 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1568 transitions. Word has length 74 [2024-11-23 23:14:37,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:37,728 INFO L471 AbstractCegarLoop]: Abstraction has 1139 states and 1568 transitions. [2024-11-23 23:14:37,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 23:14:37,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1568 transitions. [2024-11-23 23:14:37,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-23 23:14:37,741 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:37,741 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:14:37,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:14:37,741 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:37,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:37,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1068625083, now seen corresponding path program 1 times [2024-11-23 23:14:37,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:37,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171601380] [2024-11-23 23:14:37,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:37,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:38,690 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-23 23:14:38,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:38,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171601380] [2024-11-23 23:14:38,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171601380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:38,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:38,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:14:38,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422264921] [2024-11-23 23:14:38,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:38,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:14:38,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:38,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:14:38,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:14:38,697 INFO L87 Difference]: Start difference. First operand 1139 states and 1568 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 23:14:39,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:39,055 INFO L93 Difference]: Finished difference Result 3395 states and 4672 transitions. [2024-11-23 23:14:39,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:14:39,055 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 71 [2024-11-23 23:14:39,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:39,086 INFO L225 Difference]: With dead ends: 3395 [2024-11-23 23:14:39,086 INFO L226 Difference]: Without dead ends: 2269 [2024-11-23 23:14:39,095 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:14:39,096 INFO L435 NwaCegarLoop]: 792 mSDtfsCounter, 771 mSDsluCounter, 2339 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 3131 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:39,097 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 3131 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:14:39,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2269 states. [2024-11-23 23:14:39,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2269 to 2254. [2024-11-23 23:14:39,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2254 states, 1701 states have (on average 1.3315696649029982) internal successors, (2265), 1723 states have internal predecessors, (2265), 418 states have call successors, (418), 137 states have call predecessors, (418), 134 states have return successors, (417), 399 states have call predecessors, (417), 417 states have call successors, (417) [2024-11-23 23:14:39,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 2254 states and 3100 transitions. [2024-11-23 23:14:39,416 INFO L78 Accepts]: Start accepts. Automaton has 2254 states and 3100 transitions. Word has length 71 [2024-11-23 23:14:39,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:39,417 INFO L471 AbstractCegarLoop]: Abstraction has 2254 states and 3100 transitions. [2024-11-23 23:14:39,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 23:14:39,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 3100 transitions. [2024-11-23 23:14:39,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-23 23:14:39,425 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:39,425 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:14:39,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:14:39,428 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:39,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:39,429 INFO L85 PathProgramCache]: Analyzing trace with hash -2003839444, now seen corresponding path program 1 times [2024-11-23 23:14:39,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:39,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964480752] [2024-11-23 23:14:39,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:39,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:40,277 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-23 23:14:40,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:40,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964480752] [2024-11-23 23:14:40,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964480752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:40,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:40,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:14:40,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898560913] [2024-11-23 23:14:40,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:40,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:14:40,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:40,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:14:40,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:14:40,286 INFO L87 Difference]: Start difference. First operand 2254 states and 3100 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 23:14:40,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:40,732 INFO L93 Difference]: Finished difference Result 4932 states and 6758 transitions. [2024-11-23 23:14:40,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:14:40,734 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 72 [2024-11-23 23:14:40,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:40,772 INFO L225 Difference]: With dead ends: 4932 [2024-11-23 23:14:40,774 INFO L226 Difference]: Without dead ends: 3402 [2024-11-23 23:14:40,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:14:40,786 INFO L435 NwaCegarLoop]: 794 mSDtfsCounter, 773 mSDsluCounter, 2342 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 774 SdHoareTripleChecker+Valid, 3136 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:40,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 3136 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:14:40,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3402 states. [2024-11-23 23:14:41,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3402 to 3381. [2024-11-23 23:14:41,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 2555 states have (on average 1.3303326810176126) internal successors, (3399), 2583 states have internal predecessors, (3399), 622 states have call successors, (622), 206 states have call predecessors, (622), 203 states have return successors, (623), 601 states have call predecessors, (623), 621 states have call successors, (623) [2024-11-23 23:14:41,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4644 transitions. [2024-11-23 23:14:41,127 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4644 transitions. Word has length 72 [2024-11-23 23:14:41,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:41,129 INFO L471 AbstractCegarLoop]: Abstraction has 3381 states and 4644 transitions. [2024-11-23 23:14:41,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 23:14:41,130 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4644 transitions. [2024-11-23 23:14:41,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-23 23:14:41,139 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:41,140 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:14:41,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:14:41,140 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:41,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:41,141 INFO L85 PathProgramCache]: Analyzing trace with hash 445670616, now seen corresponding path program 1 times [2024-11-23 23:14:41,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:41,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048286343] [2024-11-23 23:14:41,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:41,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:41,835 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-23 23:14:41,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:41,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048286343] [2024-11-23 23:14:41,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048286343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:41,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:41,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:14:41,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179899222] [2024-11-23 23:14:41,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:41,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:14:41,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:41,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:14:41,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:14:41,841 INFO L87 Difference]: Start difference. First operand 3381 states and 4644 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 23:14:42,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:42,226 INFO L93 Difference]: Finished difference Result 5707 states and 7798 transitions. [2024-11-23 23:14:42,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:14:42,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 75 [2024-11-23 23:14:42,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:42,257 INFO L225 Difference]: With dead ends: 5707 [2024-11-23 23:14:42,257 INFO L226 Difference]: Without dead ends: 3417 [2024-11-23 23:14:42,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:14:42,270 INFO L435 NwaCegarLoop]: 793 mSDtfsCounter, 776 mSDsluCounter, 1568 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 2361 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:42,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [777 Valid, 2361 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:14:42,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3417 states. [2024-11-23 23:14:42,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3417 to 3393. [2024-11-23 23:14:42,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3393 states, 2567 states have (on average 1.328788469029996) internal successors, (3411), 2592 states have internal predecessors, (3411), 619 states have call successors, (619), 209 states have call predecessors, (619), 206 states have return successors, (620), 601 states have call predecessors, (620), 618 states have call successors, (620) [2024-11-23 23:14:42,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 3393 states and 4650 transitions. [2024-11-23 23:14:42,620 INFO L78 Accepts]: Start accepts. Automaton has 3393 states and 4650 transitions. Word has length 75 [2024-11-23 23:14:42,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:42,621 INFO L471 AbstractCegarLoop]: Abstraction has 3393 states and 4650 transitions. [2024-11-23 23:14:42,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 23:14:42,621 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 4650 transitions. [2024-11-23 23:14:42,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-23 23:14:42,628 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:42,629 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:14:42,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:14:42,629 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:42,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:42,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1503035886, now seen corresponding path program 1 times [2024-11-23 23:14:42,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:42,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260788373] [2024-11-23 23:14:42,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:42,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:43,315 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-23 23:14:43,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:43,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260788373] [2024-11-23 23:14:43,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260788373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:43,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:43,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:14:43,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079013061] [2024-11-23 23:14:43,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:43,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:14:43,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:43,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:14:43,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:14:43,319 INFO L87 Difference]: Start difference. First operand 3393 states and 4650 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 23:14:43,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:43,732 INFO L93 Difference]: Finished difference Result 5734 states and 7816 transitions. [2024-11-23 23:14:43,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:14:43,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 76 [2024-11-23 23:14:43,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:43,763 INFO L225 Difference]: With dead ends: 5734 [2024-11-23 23:14:43,763 INFO L226 Difference]: Without dead ends: 3429 [2024-11-23 23:14:43,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:14:43,774 INFO L435 NwaCegarLoop]: 793 mSDtfsCounter, 775 mSDsluCounter, 1568 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 2361 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:43,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [776 Valid, 2361 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:14:43,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3429 states. [2024-11-23 23:14:44,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3429 to 3405. [2024-11-23 23:14:44,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3405 states, 2579 states have (on average 1.3272586273749516) internal successors, (3423), 2601 states have internal predecessors, (3423), 616 states have call successors, (616), 212 states have call predecessors, (616), 209 states have return successors, (617), 601 states have call predecessors, (617), 615 states have call successors, (617) [2024-11-23 23:14:44,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 3405 states and 4656 transitions. [2024-11-23 23:14:44,169 INFO L78 Accepts]: Start accepts. Automaton has 3405 states and 4656 transitions. Word has length 76 [2024-11-23 23:14:44,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:44,170 INFO L471 AbstractCegarLoop]: Abstraction has 3405 states and 4656 transitions. [2024-11-23 23:14:44,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 23:14:44,171 INFO L276 IsEmpty]: Start isEmpty. Operand 3405 states and 4656 transitions. [2024-11-23 23:14:44,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-23 23:14:44,175 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:44,176 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:14:44,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:14:44,176 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:44,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:44,177 INFO L85 PathProgramCache]: Analyzing trace with hash -170607422, now seen corresponding path program 1 times [2024-11-23 23:14:44,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:44,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303667564] [2024-11-23 23:14:44,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:44,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:44,806 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-23 23:14:44,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:44,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303667564] [2024-11-23 23:14:44,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303667564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:44,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:44,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:14:44,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017761844] [2024-11-23 23:14:44,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:44,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:14:44,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:44,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:14:44,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:14:44,808 INFO L87 Difference]: Start difference. First operand 3405 states and 4656 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 23:14:45,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:45,208 INFO L93 Difference]: Finished difference Result 7250 states and 9892 transitions. [2024-11-23 23:14:45,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:14:45,210 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 73 [2024-11-23 23:14:45,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:45,248 INFO L225 Difference]: With dead ends: 7250 [2024-11-23 23:14:45,248 INFO L226 Difference]: Without dead ends: 4575 [2024-11-23 23:14:45,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:14:45,262 INFO L435 NwaCegarLoop]: 792 mSDtfsCounter, 774 mSDsluCounter, 2338 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 775 SdHoareTripleChecker+Valid, 3130 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:45,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [775 Valid, 3130 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:14:45,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4575 states. [2024-11-23 23:14:45,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4575 to 4552. [2024-11-23 23:14:45,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4552 states, 3451 states have (on average 1.326282237032744) internal successors, (4577), 3477 states have internal predecessors, (4577), 818 states have call successors, (818), 285 states have call predecessors, (818), 282 states have return successors, (821), 803 states have call predecessors, (821), 817 states have call successors, (821) [2024-11-23 23:14:45,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4552 states to 4552 states and 6216 transitions. [2024-11-23 23:14:45,658 INFO L78 Accepts]: Start accepts. Automaton has 4552 states and 6216 transitions. Word has length 73 [2024-11-23 23:14:45,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:45,658 INFO L471 AbstractCegarLoop]: Abstraction has 4552 states and 6216 transitions. [2024-11-23 23:14:45,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 23:14:45,659 INFO L276 IsEmpty]: Start isEmpty. Operand 4552 states and 6216 transitions. [2024-11-23 23:14:45,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-23 23:14:45,667 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:45,667 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:14:45,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:14:45,668 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:45,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:45,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1585116553, now seen corresponding path program 1 times [2024-11-23 23:14:45,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:45,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956510923] [2024-11-23 23:14:45,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:45,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:46,215 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-23 23:14:46,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:46,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956510923] [2024-11-23 23:14:46,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956510923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:46,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:46,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:14:46,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892685090] [2024-11-23 23:14:46,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:46,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:14:46,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:46,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:14:46,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:14:46,219 INFO L87 Difference]: Start difference. First operand 4552 states and 6216 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 23:14:46,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:46,755 INFO L93 Difference]: Finished difference Result 9524 states and 12984 transitions. [2024-11-23 23:14:46,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:14:46,756 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 74 [2024-11-23 23:14:46,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:46,796 INFO L225 Difference]: With dead ends: 9524 [2024-11-23 23:14:46,797 INFO L226 Difference]: Without dead ends: 5700 [2024-11-23 23:14:46,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:14:46,813 INFO L435 NwaCegarLoop]: 792 mSDtfsCounter, 775 mSDsluCounter, 2338 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 3130 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:46,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [776 Valid, 3130 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:14:46,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5700 states. [2024-11-23 23:14:47,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5700 to 5677. [2024-11-23 23:14:47,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5677 states, 4303 states have (on average 1.324424819893098) internal successors, (5699), 4333 states have internal predecessors, (5699), 1018 states have call successors, (1018), 358 states have call predecessors, (1018), 355 states have return successors, (1023), 1003 states have call predecessors, (1023), 1017 states have call successors, (1023) [2024-11-23 23:14:47,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5677 states to 5677 states and 7740 transitions. [2024-11-23 23:14:47,232 INFO L78 Accepts]: Start accepts. Automaton has 5677 states and 7740 transitions. Word has length 74 [2024-11-23 23:14:47,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:47,236 INFO L471 AbstractCegarLoop]: Abstraction has 5677 states and 7740 transitions. [2024-11-23 23:14:47,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 23:14:47,237 INFO L276 IsEmpty]: Start isEmpty. Operand 5677 states and 7740 transitions. [2024-11-23 23:14:47,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-23 23:14:47,241 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:47,241 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:14:47,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:14:47,241 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:47,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:47,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1023289163, now seen corresponding path program 1 times [2024-11-23 23:14:47,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:47,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998925347] [2024-11-23 23:14:47,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:47,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:47,987 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-23 23:14:47,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:47,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998925347] [2024-11-23 23:14:47,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998925347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:47,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:47,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:14:47,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292831648] [2024-11-23 23:14:47,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:47,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:14:47,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:47,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:14:47,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:14:47,991 INFO L87 Difference]: Start difference. First operand 5677 states and 7740 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 23:14:48,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:48,438 INFO L93 Difference]: Finished difference Result 9401 states and 12727 transitions. [2024-11-23 23:14:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:14:48,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 77 [2024-11-23 23:14:48,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:48,512 INFO L225 Difference]: With dead ends: 9401 [2024-11-23 23:14:48,512 INFO L226 Difference]: Without dead ends: 5530 [2024-11-23 23:14:48,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:14:48,530 INFO L435 NwaCegarLoop]: 793 mSDtfsCounter, 774 mSDsluCounter, 1568 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 775 SdHoareTripleChecker+Valid, 2361 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:48,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [775 Valid, 2361 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:14:48,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5530 states. [2024-11-23 23:14:48,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5530 to 5495. [2024-11-23 23:14:48,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5495 states, 4160 states have (on average 1.318028846153846) internal successors, (5483), 4185 states have internal predecessors, (5483), 981 states have call successors, (981), 356 states have call predecessors, (981), 353 states have return successors, (986), 971 states have call predecessors, (986), 980 states have call successors, (986) [2024-11-23 23:14:48,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5495 states to 5495 states and 7450 transitions. [2024-11-23 23:14:48,982 INFO L78 Accepts]: Start accepts. Automaton has 5495 states and 7450 transitions. Word has length 77 [2024-11-23 23:14:48,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:48,983 INFO L471 AbstractCegarLoop]: Abstraction has 5495 states and 7450 transitions. [2024-11-23 23:14:48,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 23:14:48,985 INFO L276 IsEmpty]: Start isEmpty. Operand 5495 states and 7450 transitions. [2024-11-23 23:14:48,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-23 23:14:48,989 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:48,989 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-23 23:14:48,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:14:48,990 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:48,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:48,990 INFO L85 PathProgramCache]: Analyzing trace with hash 583800404, now seen corresponding path program 1 times [2024-11-23 23:14:48,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:48,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185918859] [2024-11-23 23:14:48,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:48,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:49,453 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-23 23:14:49,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:49,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185918859] [2024-11-23 23:14:49,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185918859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:49,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:49,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:14:49,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637270541] [2024-11-23 23:14:49,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:49,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:14:49,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:49,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:14:49,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:14:49,457 INFO L87 Difference]: Start difference. First operand 5495 states and 7450 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 23:14:50,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:50,035 INFO L93 Difference]: Finished difference Result 14464 states and 19538 transitions. [2024-11-23 23:14:50,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:14:50,036 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 80 [2024-11-23 23:14:50,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:50,097 INFO L225 Difference]: With dead ends: 14464 [2024-11-23 23:14:50,097 INFO L226 Difference]: Without dead ends: 8982 [2024-11-23 23:14:50,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:14:50,121 INFO L435 NwaCegarLoop]: 795 mSDtfsCounter, 515 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 1562 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 [2024-11-23 23:14:50,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 1562 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:14:50,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8982 states. [2024-11-23 23:14:50,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8982 to 8979. [2024-11-23 23:14:50,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8979 states, 6809 states have (on average 1.3219268615068291) internal successors, (9001), 6841 states have internal predecessors, (9001), 1544 states have call successors, (1544), 628 states have call predecessors, (1544), 625 states have return successors, (1549), 1527 states have call predecessors, (1549), 1543 states have call successors, (1549) [2024-11-23 23:14:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8979 states to 8979 states and 12094 transitions. [2024-11-23 23:14:50,817 INFO L78 Accepts]: Start accepts. Automaton has 8979 states and 12094 transitions. Word has length 80 [2024-11-23 23:14:50,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:50,817 INFO L471 AbstractCegarLoop]: Abstraction has 8979 states and 12094 transitions. [2024-11-23 23:14:50,818 INFO L472 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 23:14:50,818 INFO L276 IsEmpty]: Start isEmpty. Operand 8979 states and 12094 transitions. [2024-11-23 23:14:50,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-23 23:14:50,823 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:50,823 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:14:50,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 23:14:50,824 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:50,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:50,824 INFO L85 PathProgramCache]: Analyzing trace with hash -672599536, now seen corresponding path program 1 times [2024-11-23 23:14:50,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:50,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213091510] [2024-11-23 23:14:50,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:50,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:51,641 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-23 23:14:51,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:51,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213091510] [2024-11-23 23:14:51,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213091510] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:14:51,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775277650] [2024-11-23 23:14:51,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:51,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:14:51,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:14:51,647 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:14:51,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:14:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:53,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 1441 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:14:53,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:14:53,092 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-23 23:14:53,092 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:14:53,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775277650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:53,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:14:53,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-23 23:14:53,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341636147] [2024-11-23 23:14:53,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:53,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:14:53,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:53,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:14:53,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:14:53,094 INFO L87 Difference]: Start difference. First operand 8979 states and 12094 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, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-23 23:14:53,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:53,911 INFO L93 Difference]: Finished difference Result 17376 states and 23525 transitions. [2024-11-23 23:14:53,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:14:53,914 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, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 84 [2024-11-23 23:14:53,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:53,978 INFO L225 Difference]: With dead ends: 17376 [2024-11-23 23:14:53,978 INFO L226 Difference]: Without dead ends: 8997 [2024-11-23 23:14:54,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:14:54,019 INFO L435 NwaCegarLoop]: 793 mSDtfsCounter, 0 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1582 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:54,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1582 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:14:54,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8997 states. [2024-11-23 23:14:54,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8997 to 8997. [2024-11-23 23:14:54,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8997 states, 6827 states have (on average 1.3210780723597482) internal successors, (9019), 6859 states have internal predecessors, (9019), 1544 states have call successors, (1544), 628 states have call predecessors, (1544), 625 states have return successors, (1549), 1527 states have call predecessors, (1549), 1543 states have call successors, (1549) [2024-11-23 23:14:54,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8997 states to 8997 states and 12112 transitions. [2024-11-23 23:14:54,783 INFO L78 Accepts]: Start accepts. Automaton has 8997 states and 12112 transitions. Word has length 84 [2024-11-23 23:14:54,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:54,783 INFO L471 AbstractCegarLoop]: Abstraction has 8997 states and 12112 transitions. [2024-11-23 23:14:54,784 INFO L472 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, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-23 23:14:54,784 INFO L276 IsEmpty]: Start isEmpty. Operand 8997 states and 12112 transitions. [2024-11-23 23:14:54,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-23 23:14:54,789 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:54,789 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:14:54,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:14:54,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-23 23:14:54,992 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:54,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:54,993 INFO L85 PathProgramCache]: Analyzing trace with hash -532050926, now seen corresponding path program 1 times [2024-11-23 23:14:54,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:54,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938177109] [2024-11-23 23:14:54,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:54,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:55,769 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-23 23:14:55,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:55,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938177109] [2024-11-23 23:14:55,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938177109] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:14:55,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395297615] [2024-11-23 23:14:55,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:55,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:14:55,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:14:55,775 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:14:55,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:14:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:57,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 1448 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:14:57,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:14:57,154 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-23 23:14:57,155 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:14:57,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395297615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:57,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:14:57,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-23 23:14:57,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437383110] [2024-11-23 23:14:57,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:57,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:14:57,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:57,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:14:57,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:14:57,157 INFO L87 Difference]: Start difference. First operand 8997 states and 12112 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:14:57,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:57,549 INFO L93 Difference]: Finished difference Result 9019 states and 12152 transitions. [2024-11-23 23:14:57,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:14:57,550 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 84 [2024-11-23 23:14:57,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:57,610 INFO L225 Difference]: With dead ends: 9019 [2024-11-23 23:14:57,610 INFO L226 Difference]: Without dead ends: 9016 [2024-11-23 23:14:57,618 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:14:57,619 INFO L435 NwaCegarLoop]: 793 mSDtfsCounter, 0 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1581 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:57,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1581 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:14:57,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9016 states. [2024-11-23 23:14:58,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9016 to 9016. [2024-11-23 23:14:58,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9016 states, 6846 states have (on average 1.320186970493719) internal successors, (9038), 6878 states have internal predecessors, (9038), 1544 states have call successors, (1544), 628 states have call predecessors, (1544), 625 states have return successors, (1549), 1527 states have call predecessors, (1549), 1543 states have call successors, (1549) [2024-11-23 23:14:58,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9016 states to 9016 states and 12131 transitions. [2024-11-23 23:14:58,296 INFO L78 Accepts]: Start accepts. Automaton has 9016 states and 12131 transitions. Word has length 84 [2024-11-23 23:14:58,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:58,296 INFO L471 AbstractCegarLoop]: Abstraction has 9016 states and 12131 transitions. [2024-11-23 23:14:58,297 INFO L472 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:14:58,297 INFO L276 IsEmpty]: Start isEmpty. Operand 9016 states and 12131 transitions. [2024-11-23 23:14:58,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-23 23:14:58,303 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:58,304 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:14:58,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:14:58,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-23 23:14:58,505 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:14:58,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:58,506 INFO L85 PathProgramCache]: Analyzing trace with hash -186134394, now seen corresponding path program 1 times [2024-11-23 23:14:58,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:58,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635079444] [2024-11-23 23:14:58,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:58,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:59,197 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-23 23:14:59,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:59,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635079444] [2024-11-23 23:14:59,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635079444] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:14:59,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083294933] [2024-11-23 23:14:59,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:59,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:14:59,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:14:59,201 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:14:59,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:15:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:15:00,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 1453 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:15:00,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:15:00,759 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-23 23:15:00,759 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:15:00,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083294933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:15:00,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:15:00,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2024-11-23 23:15:00,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277580326] [2024-11-23 23:15:00,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:15:00,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:15:00,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:15:00,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:15:00,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:15:00,764 INFO L87 Difference]: Start difference. First operand 9016 states and 12131 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:15:01,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:15:01,574 INFO L93 Difference]: Finished difference Result 17914 states and 24205 transitions. [2024-11-23 23:15:01,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:15:01,575 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 86 [2024-11-23 23:15:01,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:15:01,591 INFO L225 Difference]: With dead ends: 17914 [2024-11-23 23:15:01,591 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:15:01,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:15:01,649 INFO L435 NwaCegarLoop]: 781 mSDtfsCounter, 725 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 1562 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:15:01,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [725 Valid, 1562 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:15:01,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:15:01,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:15:01,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:15:01,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:15:01,662 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2024-11-23 23:15:01,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:15:01,663 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:15:01,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:15:01,663 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:15:01,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:15:01,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:15:01,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 23:15:01,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-23 23:15:01,876 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:15:01,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 23:15:48,658 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:15:48,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:15:48 BoogieIcfgContainer [2024-11-23 23:15:48,683 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:15:48,684 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:15:48,684 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:15:48,684 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:15:48,689 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:14:35" (3/4) ... [2024-11-23 23:15:48,692 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:15:48,701 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure print_hex_dump [2024-11-23 23:15:48,701 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-23 23:15:48,701 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usleep_range [2024-11-23 23:15:48,701 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure devm_gpio_request [2024-11-23 23:15:48,701 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure msleep [2024-11-23 23:15:48,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure st21nfca_hci_i2c_disable [2024-11-23 23:15:48,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-11-23 23:15:48,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_put [2024-11-23 23:15:48,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure i2c_master_send [2024-11-23 23:15:48,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-23 23:15:48,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure i2c_master_recv [2024-11-23 23:15:48,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-23 23:15:48,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure devm_request_threaded_irq [2024-11-23 23:15:48,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __dynamic_dev_dbg [2024-11-23 23:15:48,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_irq_1 [2024-11-23 23:15:48,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_pull [2024-11-23 23:15:48,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure alloc_skb [2024-11-23 23:15:48,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_irq_2 [2024-11-23 23:15:48,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-11-23 23:15:48,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure crc_ccitt [2024-11-23 23:15:48,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-11-23 23:15:48,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock_nested [2024-11-23 23:15:48,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure gpio_set_value [2024-11-23 23:15:48,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_push [2024-11-23 23:15:48,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure i2c_get_clientdata [2024-11-23 23:15:48,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reg_check_1 [2024-11-23 23:15:48,704 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure activate_suitable_irq_1 [2024-11-23 23:15:48,704 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure st21nfca_hci_irq_thread_fn [2024-11-23 23:15:48,704 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-23 23:15:48,704 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure gpio_to_desc [2024-11-23 23:15:48,704 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-23 23:15:48,704 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nfc_hci_recv_frame [2024-11-23 23:15:48,704 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2024-11-23 23:15:48,704 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_trim [2024-11-23 23:15:48,705 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2024-11-23 23:15:48,752 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 249 nodes and edges [2024-11-23 23:15:48,756 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 92 nodes and edges [2024-11-23 23:15:48,760 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2024-11-23 23:15:48,764 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-23 23:15:48,767 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-23 23:15:48,770 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-23 23:15:48,773 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:15:48,776 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:15:49,034 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:15:49,036 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:15:49,036 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:15:49,037 INFO L158 Benchmark]: Toolchain (without parser) took 84589.24ms. Allocated memory was 117.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 86.2MB in the beginning and 596.2MB in the end (delta: -510.0MB). Peak memory consumption was 736.6MB. Max. memory is 16.1GB. [2024-11-23 23:15:49,037 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:15:49,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1820.22ms. Allocated memory is still 117.4MB. Free memory was 85.9MB in the beginning and 60.3MB in the end (delta: 25.6MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2024-11-23 23:15:49,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 222.32ms. Allocated memory is still 117.4MB. Free memory was 60.3MB in the beginning and 48.8MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:15:49,038 INFO L158 Benchmark]: Boogie Preprocessor took 462.95ms. Allocated memory is still 117.4MB. Free memory was 48.8MB in the beginning and 42.6MB in the end (delta: 6.2MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-11-23 23:15:49,038 INFO L158 Benchmark]: RCFGBuilder took 8146.89ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 42.0MB in the beginning and 122.4MB in the end (delta: -80.4MB). Peak memory consumption was 100.5MB. Max. memory is 16.1GB. [2024-11-23 23:15:49,039 INFO L158 Benchmark]: TraceAbstraction took 73573.62ms. Allocated memory was 243.3MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 120.6MB in the beginning and 629.3MB in the end (delta: -508.7MB). Peak memory consumption was 783.8MB. Max. memory is 16.1GB. [2024-11-23 23:15:49,039 INFO L158 Benchmark]: Witness Printer took 352.20ms. Allocated memory is still 1.4GB. Free memory was 629.3MB in the beginning and 596.2MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-23 23:15:49,040 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1820.22ms. Allocated memory is still 117.4MB. Free memory was 85.9MB in the beginning and 60.3MB in the end (delta: 25.6MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 222.32ms. Allocated memory is still 117.4MB. Free memory was 60.3MB in the beginning and 48.8MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 462.95ms. Allocated memory is still 117.4MB. Free memory was 48.8MB in the beginning and 42.6MB in the end (delta: 6.2MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * RCFGBuilder took 8146.89ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 42.0MB in the beginning and 122.4MB in the end (delta: -80.4MB). Peak memory consumption was 100.5MB. Max. memory is 16.1GB. * TraceAbstraction took 73573.62ms. Allocated memory was 243.3MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 120.6MB in the beginning and 629.3MB in the end (delta: -508.7MB). Peak memory consumption was 783.8MB. Max. memory is 16.1GB. * Witness Printer took 352.20ms. Allocated memory is still 1.4GB. Free memory was 629.3MB in the beginning and 596.2MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * 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 - PositiveResult [Line: 2868]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 596 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.7s, OverallIterations: 12, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7469 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7461 mSDsluCounter, 29133 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19604 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 263 IncrementalHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 9529 mSDtfsCounter, 263 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 346 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9016occurred in iteration=11, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.9s AutomataMinimizationTime, 12 MinimizatonAttempts, 177 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1180 NumberOfCodeBlocks, 1180 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1165 ConstructedInterpolants, 0 QuantifiedInterpolants, 1895 SizeOfPredicates, 1 NumberOfNonLiveVariables, 4342 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 648/651 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3432]: Location Invariant Derived location invariant: ((((ldv_spin == 0) && (ldv_irq_2_2 == 0)) && (ldv_irq_2_3 == 0)) && (ldv_irq_2_1 == 0)) - InvariantResult [Line: 3256]: Location Invariant Derived location invariant: ((((ldv_spin == 0) && (ldv_irq_2_2 == 0)) && (ldv_irq_2_3 == 0)) && (ldv_irq_2_1 == 0)) RESULT: Ultimate proved your program to be correct! [2024-11-23 23:15:49,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27a16b2-46cc-4c0b-95cf-e0a98ec10d3a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE