./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/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_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1 --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-d790fec [2024-12-02 13:18:11,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:18:11,965 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 13:18:11,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:18:11,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:18:11,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:18:11,993 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:18:11,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:18:11,994 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:18:11,994 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:18:11,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:18:11,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:18:11,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:18:11,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:18:11,995 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:18:11,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:18:11,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:18:11,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:18:11,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:18:11,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:18:11,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:18:11,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:18:11,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:18:11,996 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:18:11,996 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:18:11,996 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:18:11,996 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:18:11,996 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:18:11,996 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:18:11,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:18:11,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:18:11,996 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:18:11,996 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:18:11,997 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:18:11,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:18:11,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:18:11,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:18:11,997 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:18:11,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:18:11,997 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:18:11,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:18:11,997 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:18:11,997 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:18:11,997 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:18:11,998 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:18:11,998 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_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1 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 [2024-12-02 13:18:12,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:18:12,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:18:12,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:18:12,245 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:18:12,245 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:18:12,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2024-12-02 13:18:14,922 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/data/b3213e459/5ebda53f8cd64675ab7fd630ed0da662/FLAG46f4896cf [2024-12-02 13:18:15,250 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:18:15,251 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2024-12-02 13:18:15,273 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/data/b3213e459/5ebda53f8cd64675ab7fd630ed0da662/FLAG46f4896cf [2024-12-02 13:18:15,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/data/b3213e459/5ebda53f8cd64675ab7fd630ed0da662 [2024-12-02 13:18:15,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:18:15,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:18:15,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:18:15,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:18:15,296 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:18:15,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:18:15" (1/1) ... [2024-12-02 13:18:15,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2bb547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:15, skipping insertion in model container [2024-12-02 13:18:15,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:18:15" (1/1) ... [2024-12-02 13:18:15,355 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:18:15,651 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715] [2024-12-02 13:18:15,651 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] [2024-12-02 13:18:15,723 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_476183a4-bd2e-4964-a1f9-408e7fb71466/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] [2024-12-02 13:18:16,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:18:16,070 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:18:16,142 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715] [2024-12-02 13:18:16,142 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] [2024-12-02 13:18:16,165 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_476183a4-bd2e-4964-a1f9-408e7fb71466/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] [2024-12-02 13:18:16,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:18:16,292 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:18:16,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:16 WrapperNode [2024-12-02 13:18:16,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:18:16,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:18:16,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:18:16,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:18:16,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:16" (1/1) ... [2024-12-02 13:18:16,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:16" (1/1) ... [2024-12-02 13:18:16,394 INFO L138 Inliner]: procedures = 143, calls = 706, calls flagged for inlining = 57, calls inlined = 53, statements flattened = 2075 [2024-12-02 13:18:16,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:18:16,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:18:16,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:18:16,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:18:16,404 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:16" (1/1) ... [2024-12-02 13:18:16,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:16" (1/1) ... [2024-12-02 13:18:16,416 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:16" (1/1) ... [2024-12-02 13:18:16,593 INFO L175 MemorySlicer]: Split 358 memory accesses to 19 slices as follows [2, 9, 3, 12, 31, 5, 8, 4, 13, 28, 143, 13, 12, 6, 7, 5, 42, 5, 10]. 40 percent of accesses are in the largest equivalence class. The 118 initializations are split as follows [2, 6, 3, 12, 0, 5, 8, 4, 13, 0, 0, 13, 0, 6, 0, 0, 42, 4, 0]. The 117 writes are split as follows [0, 0, 0, 0, 31, 0, 0, 0, 0, 24, 43, 0, 0, 0, 6, 3, 0, 0, 10]. [2024-12-02 13:18:16,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:16" (1/1) ... [2024-12-02 13:18:16,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:16" (1/1) ... [2024-12-02 13:18:16,640 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:16" (1/1) ... [2024-12-02 13:18:16,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:16" (1/1) ... [2024-12-02 13:18:16,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:16" (1/1) ... [2024-12-02 13:18:16,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:16" (1/1) ... [2024-12-02 13:18:16,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:16" (1/1) ... [2024-12-02 13:18:16,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:18:16,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:18:16,685 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:18:16,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:18:16,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:16" (1/1) ... [2024-12-02 13:18:16,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:18:16,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:18:16,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:18:16,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:18:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 13:18:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 13:18:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 13:18:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 13:18:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 13:18:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 13:18:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 13:18:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 13:18:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 13:18:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 13:18:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 13:18:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 13:18:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 13:18:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 13:18:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 13:18:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 13:18:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 13:18:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 13:18:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 13:18:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-12-02 13:18:16,741 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-12-02 13:18:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2024-12-02 13:18:16,741 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2024-12-02 13:18:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 13:18:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 13:18:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 13:18:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 13:18:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 13:18:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 13:18:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 13:18:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 13:18:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 13:18:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 13:18:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 13:18:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 13:18:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 13:18:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 13:18:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 13:18:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 13:18:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 13:18:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 13:18:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 13:18:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2024-12-02 13:18:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2024-12-02 13:18:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 13:18:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 13:18:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 13:18:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 13:18:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 13:18:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 13:18:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 13:18:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 13:18:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 13:18:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 13:18:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 13:18:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 13:18:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 13:18:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 13:18:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 13:18:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 13:18:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 13:18:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 13:18:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 13:18:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 13:18:16,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 13:18:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 13:18:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 13:18:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 13:18:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 13:18:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 13:18:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 13:18:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 13:18:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 13:18:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 13:18:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 13:18:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 13:18:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 13:18:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 13:18:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 13:18:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 13:18:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 13:18:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 13:18:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 13:18:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 13:18:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2024-12-02 13:18:16,744 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2024-12-02 13:18:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2024-12-02 13:18:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2024-12-02 13:18:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2024-12-02 13:18:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2024-12-02 13:18:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 13:18:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 13:18:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-12-02 13:18:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-12-02 13:18:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-12-02 13:18:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-12-02 13:18:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2024-12-02 13:18:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2024-12-02 13:18:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2024-12-02 13:18:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2024-12-02 13:18:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure devm_gpio_request [2024-12-02 13:18:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_gpio_request [2024-12-02 13:18:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 13:18:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 13:18:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 13:18:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 13:18:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 13:18:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 13:18:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 13:18:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 13:18:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 13:18:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 13:18:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 13:18:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 13:18:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 13:18:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 13:18:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 13:18:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 13:18:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 13:18:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 13:18:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 13:18:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 13:18:16,746 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 13:18:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 13:18:16,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 13:18:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-12-02 13:18:16,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-12-02 13:18:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-12-02 13:18:16,747 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-12-02 13:18:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 13:18:16,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 13:18:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2024-12-02 13:18:16,747 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2024-12-02 13:18:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2024-12-02 13:18:16,747 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2024-12-02 13:18:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_irq_thread_fn [2024-12-02 13:18:16,747 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_irq_thread_fn [2024-12-02 13:18:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:18:16,747 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:18:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2024-12-02 13:18:16,747 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2024-12-02 13:18:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_hci_recv_frame [2024-12-02 13:18:16,747 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_hci_recv_frame [2024-12-02 13:18:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 13:18:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:18:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 13:18:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 13:18:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 13:18:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 13:18:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 13:18:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 13:18:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 13:18:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 13:18:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 13:18:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 13:18:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 13:18:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 13:18:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 13:18:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 13:18:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 13:18:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 13:18:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 13:18:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 13:18:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 13:18:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 13:18:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2024-12-02 13:18:16,749 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2024-12-02 13:18:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-12-02 13:18:16,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-12-02 13:18:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2024-12-02 13:18:16,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2024-12-02 13:18:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt [2024-12-02 13:18:16,749 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt [2024-12-02 13:18:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 13:18:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 13:18:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 13:18:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 13:18:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 13:18:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 13:18:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 13:18:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 13:18:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 13:18:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 13:18:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 13:18:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 13:18:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 13:18:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 13:18:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 13:18:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 13:18:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 13:18:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 13:18:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 13:18:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 13:18:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 13:18:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 13:18:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 13:18:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 13:18:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 13:18:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 13:18:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 13:18:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 13:18:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 13:18:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 13:18:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 13:18:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 13:18:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 13:18:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 13:18:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 13:18:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 13:18:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 13:18:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 13:18:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 13:18:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 13:18:16,751 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 13:18:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_disable [2024-12-02 13:18:16,751 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_disable [2024-12-02 13:18:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 13:18:16,751 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 13:18:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-12-02 13:18:16,751 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-12-02 13:18:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2024-12-02 13:18:16,751 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2024-12-02 13:18:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-12-02 13:18:16,752 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 13:18:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 13:18:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 13:18:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 13:18:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 13:18:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 13:18:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 13:18:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 13:18:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 13:18:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 13:18:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 13:18:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 13:18:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 13:18:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 13:18:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 13:18:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 13:18:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 13:18:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 13:18:16,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 13:18:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:18:16,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:18:17,190 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:18:17,192 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:18:17,262 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 13:18:22,993 INFO L? ?]: Removed 764 outVars from TransFormulas that were not future-live. [2024-12-02 13:18:22,993 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:18:23,012 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:18:23,012 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 13:18:23,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:18:23 BoogieIcfgContainer [2024-12-02 13:18:23,013 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:18:23,015 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:18:23,015 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:18:23,019 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:18:23,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:18:15" (1/3) ... [2024-12-02 13:18:23,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dec8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:18:23, skipping insertion in model container [2024-12-02 13:18:23,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:16" (2/3) ... [2024-12-02 13:18:23,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dec8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:18:23, skipping insertion in model container [2024-12-02 13:18:23,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:18:23" (3/3) ... [2024-12-02 13:18:23,021 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 [2024-12-02 13:18:23,032 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:18:23,035 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. [2024-12-02 13:18:23,087 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:18:23,097 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;@679ac63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:18:23,097 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:18:23,101 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) [2024-12-02 13:18:23,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-02 13:18:23,115 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:18:23,116 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] [2024-12-02 13:18:23,116 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:18:23,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:18:23,120 INFO L85 PathProgramCache]: Analyzing trace with hash 533051669, now seen corresponding path program 1 times [2024-12-02 13:18:23,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:18:23,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330361769] [2024-12-02 13:18:23,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:23,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:23,850 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 13:18:23,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:23,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330361769] [2024-12-02 13:18:23,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330361769] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:18:23,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:18:23,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:18:23,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177543971] [2024-12-02 13:18:23,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:18:23,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:18:23,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:18:23,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:18:23,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:18:23,874 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) [2024-12-02 13:18:24,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:18:24,097 INFO L93 Difference]: Finished difference Result 1772 states and 2529 transitions. [2024-12-02 13:18:24,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:18:24,100 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 [2024-12-02 13:18:24,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:18:24,114 INFO L225 Difference]: With dead ends: 1772 [2024-12-02 13:18:24,115 INFO L226 Difference]: Without dead ends: 1148 [2024-12-02 13:18:24,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:18:24,123 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, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:18:24,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 3236 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:18:24,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2024-12-02 13:18:24,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 1139. [2024-12-02 13:18:24,219 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) [2024-12-02 13:18:24,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1568 transitions. [2024-12-02 13:18:24,232 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1568 transitions. Word has length 74 [2024-12-02 13:18:24,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:18:24,232 INFO L471 AbstractCegarLoop]: Abstraction has 1139 states and 1568 transitions. [2024-12-02 13:18:24,233 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) [2024-12-02 13:18:24,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1568 transitions. [2024-12-02 13:18:24,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-02 13:18:24,238 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:18:24,238 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] [2024-12-02 13:18:24,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 13:18:24,239 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:18:24,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:18:24,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1068625083, now seen corresponding path program 1 times [2024-12-02 13:18:24,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:18:24,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998829293] [2024-12-02 13:18:24,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:24,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:24,622 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 13:18:24,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:24,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998829293] [2024-12-02 13:18:24,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998829293] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:18:24,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:18:24,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:18:24,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224876739] [2024-12-02 13:18:24,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:18:24,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:18:24,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:18:24,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:18:24,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:18:24,624 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) [2024-12-02 13:18:24,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:18:24,777 INFO L93 Difference]: Finished difference Result 3395 states and 4672 transitions. [2024-12-02 13:18:24,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:18:24,777 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 [2024-12-02 13:18:24,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:18:24,791 INFO L225 Difference]: With dead ends: 3395 [2024-12-02 13:18:24,791 INFO L226 Difference]: Without dead ends: 2269 [2024-12-02 13:18:24,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:18:24,794 INFO L435 NwaCegarLoop]: 792 mSDtfsCounter, 771 mSDsluCounter, 2339 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:18:24,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 3131 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:18:24,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2269 states. [2024-12-02 13:18:24,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2269 to 2254. [2024-12-02 13:18:24,867 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) [2024-12-02 13:18:24,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 2254 states and 3100 transitions. [2024-12-02 13:18:24,879 INFO L78 Accepts]: Start accepts. Automaton has 2254 states and 3100 transitions. Word has length 71 [2024-12-02 13:18:24,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:18:24,879 INFO L471 AbstractCegarLoop]: Abstraction has 2254 states and 3100 transitions. [2024-12-02 13:18:24,879 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) [2024-12-02 13:18:24,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 3100 transitions. [2024-12-02 13:18:24,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-02 13:18:24,884 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:18:24,884 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] [2024-12-02 13:18:24,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:18:24,884 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:18:24,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:18:24,885 INFO L85 PathProgramCache]: Analyzing trace with hash -2003839444, now seen corresponding path program 1 times [2024-12-02 13:18:24,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:18:24,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302968807] [2024-12-02 13:18:24,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:24,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:25,259 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 13:18:25,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:25,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302968807] [2024-12-02 13:18:25,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302968807] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:18:25,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:18:25,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:18:25,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759714484] [2024-12-02 13:18:25,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:18:25,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:18:25,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:18:25,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:18:25,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:18:25,261 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) [2024-12-02 13:18:25,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:18:25,461 INFO L93 Difference]: Finished difference Result 4932 states and 6758 transitions. [2024-12-02 13:18:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:18:25,462 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 [2024-12-02 13:18:25,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:18:25,483 INFO L225 Difference]: With dead ends: 4932 [2024-12-02 13:18:25,483 INFO L226 Difference]: Without dead ends: 3402 [2024-12-02 13:18:25,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:18:25,489 INFO L435 NwaCegarLoop]: 794 mSDtfsCounter, 773 mSDsluCounter, 2342 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:18:25,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 3136 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:18:25,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3402 states. [2024-12-02 13:18:25,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3402 to 3381. [2024-12-02 13:18:25,717 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) [2024-12-02 13:18:25,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4644 transitions. [2024-12-02 13:18:25,749 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4644 transitions. Word has length 72 [2024-12-02 13:18:25,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:18:25,749 INFO L471 AbstractCegarLoop]: Abstraction has 3381 states and 4644 transitions. [2024-12-02 13:18:25,749 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) [2024-12-02 13:18:25,749 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4644 transitions. [2024-12-02 13:18:25,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-02 13:18:25,754 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:18:25,755 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] [2024-12-02 13:18:25,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:18:25,755 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:18:25,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:18:25,755 INFO L85 PathProgramCache]: Analyzing trace with hash 445670616, now seen corresponding path program 1 times [2024-12-02 13:18:25,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:18:25,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007017477] [2024-12-02 13:18:25,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:25,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:26,178 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 13:18:26,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:26,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007017477] [2024-12-02 13:18:26,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007017477] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:18:26,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:18:26,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:18:26,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459679783] [2024-12-02 13:18:26,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:18:26,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:18:26,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:18:26,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:18:26,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:18:26,180 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) [2024-12-02 13:18:26,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:18:26,376 INFO L93 Difference]: Finished difference Result 5707 states and 7798 transitions. [2024-12-02 13:18:26,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:18:26,376 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 [2024-12-02 13:18:26,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:18:26,396 INFO L225 Difference]: With dead ends: 5707 [2024-12-02 13:18:26,396 INFO L226 Difference]: Without dead ends: 3417 [2024-12-02 13:18:26,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:18:26,404 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, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:18:26,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [777 Valid, 2361 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:18:26,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3417 states. [2024-12-02 13:18:26,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3417 to 3393. [2024-12-02 13:18:26,555 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) [2024-12-02 13:18:26,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 3393 states and 4650 transitions. [2024-12-02 13:18:26,577 INFO L78 Accepts]: Start accepts. Automaton has 3393 states and 4650 transitions. Word has length 75 [2024-12-02 13:18:26,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:18:26,577 INFO L471 AbstractCegarLoop]: Abstraction has 3393 states and 4650 transitions. [2024-12-02 13:18:26,577 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) [2024-12-02 13:18:26,577 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 4650 transitions. [2024-12-02 13:18:26,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-02 13:18:26,581 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:18:26,581 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] [2024-12-02 13:18:26,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 13:18:26,581 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:18:26,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:18:26,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1503035886, now seen corresponding path program 1 times [2024-12-02 13:18:26,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:18:26,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446030277] [2024-12-02 13:18:26,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:26,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:26,973 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 13:18:26,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:26,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446030277] [2024-12-02 13:18:26,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446030277] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:18:26,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:18:26,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:18:26,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166761188] [2024-12-02 13:18:26,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:18:26,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:18:26,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:18:26,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:18:26,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:18:26,975 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) [2024-12-02 13:18:27,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:18:27,161 INFO L93 Difference]: Finished difference Result 5734 states and 7816 transitions. [2024-12-02 13:18:27,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:18:27,162 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 [2024-12-02 13:18:27,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:18:27,180 INFO L225 Difference]: With dead ends: 5734 [2024-12-02 13:18:27,181 INFO L226 Difference]: Without dead ends: 3429 [2024-12-02 13:18:27,188 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:18:27,189 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, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:18:27,189 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [776 Valid, 2361 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:18:27,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3429 states. [2024-12-02 13:18:27,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3429 to 3405. [2024-12-02 13:18:27,352 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) [2024-12-02 13:18:27,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 3405 states and 4656 transitions. [2024-12-02 13:18:27,371 INFO L78 Accepts]: Start accepts. Automaton has 3405 states and 4656 transitions. Word has length 76 [2024-12-02 13:18:27,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:18:27,372 INFO L471 AbstractCegarLoop]: Abstraction has 3405 states and 4656 transitions. [2024-12-02 13:18:27,372 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) [2024-12-02 13:18:27,372 INFO L276 IsEmpty]: Start isEmpty. Operand 3405 states and 4656 transitions. [2024-12-02 13:18:27,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 13:18:27,375 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:18:27,375 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] [2024-12-02 13:18:27,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 13:18:27,375 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:18:27,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:18:27,376 INFO L85 PathProgramCache]: Analyzing trace with hash -170607422, now seen corresponding path program 1 times [2024-12-02 13:18:27,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:18:27,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463373627] [2024-12-02 13:18:27,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:27,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:27,758 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 13:18:27,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:27,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463373627] [2024-12-02 13:18:27,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463373627] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:18:27,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:18:27,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:18:27,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888859457] [2024-12-02 13:18:27,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:18:27,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:18:27,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:18:27,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:18:27,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:18:27,760 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) [2024-12-02 13:18:28,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:18:28,102 INFO L93 Difference]: Finished difference Result 7250 states and 9892 transitions. [2024-12-02 13:18:28,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:18:28,103 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 [2024-12-02 13:18:28,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:18:28,128 INFO L225 Difference]: With dead ends: 7250 [2024-12-02 13:18:28,128 INFO L226 Difference]: Without dead ends: 4575 [2024-12-02 13:18:28,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:18:28,138 INFO L435 NwaCegarLoop]: 792 mSDtfsCounter, 774 mSDsluCounter, 2338 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:18:28,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [775 Valid, 3130 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:18:28,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4575 states. [2024-12-02 13:18:28,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4575 to 4552. [2024-12-02 13:18:28,336 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) [2024-12-02 13:18:28,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4552 states to 4552 states and 6216 transitions. [2024-12-02 13:18:28,358 INFO L78 Accepts]: Start accepts. Automaton has 4552 states and 6216 transitions. Word has length 73 [2024-12-02 13:18:28,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:18:28,359 INFO L471 AbstractCegarLoop]: Abstraction has 4552 states and 6216 transitions. [2024-12-02 13:18:28,359 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) [2024-12-02 13:18:28,359 INFO L276 IsEmpty]: Start isEmpty. Operand 4552 states and 6216 transitions. [2024-12-02 13:18:28,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-02 13:18:28,362 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:18:28,362 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] [2024-12-02 13:18:28,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 13:18:28,362 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:18:28,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:18:28,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1585116553, now seen corresponding path program 1 times [2024-12-02 13:18:28,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:18:28,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437581287] [2024-12-02 13:18:28,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:28,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:28,662 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 13:18:28,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:28,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437581287] [2024-12-02 13:18:28,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437581287] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:18:28,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:18:28,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:18:28,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270712367] [2024-12-02 13:18:28,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:18:28,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:18:28,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:18:28,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:18:28,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:18:28,663 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) [2024-12-02 13:18:28,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:18:28,848 INFO L93 Difference]: Finished difference Result 9524 states and 12984 transitions. [2024-12-02 13:18:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:18:28,849 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 [2024-12-02 13:18:28,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:18:28,868 INFO L225 Difference]: With dead ends: 9524 [2024-12-02 13:18:28,868 INFO L226 Difference]: Without dead ends: 5700 [2024-12-02 13:18:28,878 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:18:28,878 INFO L435 NwaCegarLoop]: 792 mSDtfsCounter, 775 mSDsluCounter, 2338 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:18:28,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [776 Valid, 3130 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:18:28,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5700 states. [2024-12-02 13:18:29,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5700 to 5677. [2024-12-02 13:18:29,064 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) [2024-12-02 13:18:29,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5677 states to 5677 states and 7740 transitions. [2024-12-02 13:18:29,088 INFO L78 Accepts]: Start accepts. Automaton has 5677 states and 7740 transitions. Word has length 74 [2024-12-02 13:18:29,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:18:29,088 INFO L471 AbstractCegarLoop]: Abstraction has 5677 states and 7740 transitions. [2024-12-02 13:18:29,088 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) [2024-12-02 13:18:29,089 INFO L276 IsEmpty]: Start isEmpty. Operand 5677 states and 7740 transitions. [2024-12-02 13:18:29,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-02 13:18:29,091 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:18:29,091 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] [2024-12-02 13:18:29,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 13:18:29,092 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:18:29,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:18:29,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1023289163, now seen corresponding path program 1 times [2024-12-02 13:18:29,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:18:29,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394297937] [2024-12-02 13:18:29,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:29,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:29,395 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 13:18:29,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:29,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394297937] [2024-12-02 13:18:29,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394297937] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:18:29,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:18:29,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:18:29,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214706784] [2024-12-02 13:18:29,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:18:29,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:18:29,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:18:29,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:18:29,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:18:29,397 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) [2024-12-02 13:18:29,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:18:29,649 INFO L93 Difference]: Finished difference Result 9401 states and 12727 transitions. [2024-12-02 13:18:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:18:29,651 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 [2024-12-02 13:18:29,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:18:29,680 INFO L225 Difference]: With dead ends: 9401 [2024-12-02 13:18:29,681 INFO L226 Difference]: Without dead ends: 5530 [2024-12-02 13:18:29,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:18:29,693 INFO L435 NwaCegarLoop]: 793 mSDtfsCounter, 774 mSDsluCounter, 1568 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:18:29,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [775 Valid, 2361 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:18:29,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5530 states. [2024-12-02 13:18:30,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5530 to 5495. [2024-12-02 13:18:30,071 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) [2024-12-02 13:18:30,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5495 states to 5495 states and 7450 transitions. [2024-12-02 13:18:30,104 INFO L78 Accepts]: Start accepts. Automaton has 5495 states and 7450 transitions. Word has length 77 [2024-12-02 13:18:30,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:18:30,105 INFO L471 AbstractCegarLoop]: Abstraction has 5495 states and 7450 transitions. [2024-12-02 13:18:30,105 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) [2024-12-02 13:18:30,105 INFO L276 IsEmpty]: Start isEmpty. Operand 5495 states and 7450 transitions. [2024-12-02 13:18:30,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 13:18:30,109 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:18:30,109 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] [2024-12-02 13:18:30,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 13:18:30,109 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:18:30,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:18:30,110 INFO L85 PathProgramCache]: Analyzing trace with hash 583800404, now seen corresponding path program 1 times [2024-12-02 13:18:30,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:18:30,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682832055] [2024-12-02 13:18:30,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:30,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:30,493 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-12-02 13:18:30,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:30,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682832055] [2024-12-02 13:18:30,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682832055] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:18:30,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:18:30,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:18:30,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298090822] [2024-12-02 13:18:30,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:18:30,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:18:30,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:18:30,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:18:30,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:18:30,495 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) [2024-12-02 13:18:30,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:18:30,873 INFO L93 Difference]: Finished difference Result 14464 states and 19538 transitions. [2024-12-02 13:18:30,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:18:30,873 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 [2024-12-02 13:18:30,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:18:30,912 INFO L225 Difference]: With dead ends: 14464 [2024-12-02 13:18:30,912 INFO L226 Difference]: Without dead ends: 8982 [2024-12-02 13:18:30,925 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 [2024-12-02 13:18:30,926 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, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:18:30,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 1562 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:18:30,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8982 states. [2024-12-02 13:18:31,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8982 to 8979. [2024-12-02 13:18:31,350 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) [2024-12-02 13:18:31,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8979 states to 8979 states and 12094 transitions. [2024-12-02 13:18:31,384 INFO L78 Accepts]: Start accepts. Automaton has 8979 states and 12094 transitions. Word has length 80 [2024-12-02 13:18:31,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:18:31,385 INFO L471 AbstractCegarLoop]: Abstraction has 8979 states and 12094 transitions. [2024-12-02 13:18:31,385 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) [2024-12-02 13:18:31,385 INFO L276 IsEmpty]: Start isEmpty. Operand 8979 states and 12094 transitions. [2024-12-02 13:18:31,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-02 13:18:31,389 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:18:31,389 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] [2024-12-02 13:18:31,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 13:18:31,389 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:18:31,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:18:31,390 INFO L85 PathProgramCache]: Analyzing trace with hash -672599536, now seen corresponding path program 1 times [2024-12-02 13:18:31,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:18:31,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465358176] [2024-12-02 13:18:31,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:31,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:31,861 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-02 13:18:31,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:31,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465358176] [2024-12-02 13:18:31,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465358176] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:18:31,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030206713] [2024-12-02 13:18:31,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:31,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:18:31,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:18:31,864 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:18:31,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:18:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:32,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 1441 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:18:32,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:18:32,645 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-02 13:18:32,645 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:18:32,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030206713] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:18:32,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:18:32,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-12-02 13:18:32,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60926024] [2024-12-02 13:18:32,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:18:32,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:18:32,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:18:32,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:18:32,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:18:32,647 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) [2024-12-02 13:18:33,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:18:33,041 INFO L93 Difference]: Finished difference Result 17376 states and 23525 transitions. [2024-12-02 13:18:33,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:18:33,043 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 [2024-12-02 13:18:33,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:18:33,084 INFO L225 Difference]: With dead ends: 17376 [2024-12-02 13:18:33,084 INFO L226 Difference]: Without dead ends: 8997 [2024-12-02 13:18:33,108 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:18:33,108 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, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:18:33,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1582 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:18:33,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8997 states. [2024-12-02 13:18:33,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8997 to 8997. [2024-12-02 13:18:33,552 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) [2024-12-02 13:18:33,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8997 states to 8997 states and 12112 transitions. [2024-12-02 13:18:33,582 INFO L78 Accepts]: Start accepts. Automaton has 8997 states and 12112 transitions. Word has length 84 [2024-12-02 13:18:33,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:18:33,583 INFO L471 AbstractCegarLoop]: Abstraction has 8997 states and 12112 transitions. [2024-12-02 13:18:33,583 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) [2024-12-02 13:18:33,583 INFO L276 IsEmpty]: Start isEmpty. Operand 8997 states and 12112 transitions. [2024-12-02 13:18:33,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-02 13:18:33,586 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:18:33,586 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] [2024-12-02 13:18:33,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:18:33,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 13:18:33,787 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:18:33,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:18:33,787 INFO L85 PathProgramCache]: Analyzing trace with hash -532050926, now seen corresponding path program 1 times [2024-12-02 13:18:33,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:18:33,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55463420] [2024-12-02 13:18:33,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:33,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:34,129 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-02 13:18:34,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:34,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55463420] [2024-12-02 13:18:34,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55463420] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:18:34,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745979555] [2024-12-02 13:18:34,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:34,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:18:34,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:18:34,132 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:18:34,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:18:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:34,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 1448 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:18:34,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:18:34,964 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-02 13:18:34,964 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:18:34,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745979555] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:18:34,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:18:34,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-12-02 13:18:34,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697621344] [2024-12-02 13:18:34,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:18:34,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:18:34,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:18:34,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:18:34,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:18:34,966 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) [2024-12-02 13:18:35,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:18:35,125 INFO L93 Difference]: Finished difference Result 9019 states and 12152 transitions. [2024-12-02 13:18:35,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:18:35,125 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 [2024-12-02 13:18:35,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:18:35,151 INFO L225 Difference]: With dead ends: 9019 [2024-12-02 13:18:35,151 INFO L226 Difference]: Without dead ends: 9016 [2024-12-02 13:18:35,155 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:18:35,155 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 [2024-12-02 13:18:35,155 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] [2024-12-02 13:18:35,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9016 states. [2024-12-02 13:18:35,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9016 to 9016. [2024-12-02 13:18:35,448 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) [2024-12-02 13:18:35,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9016 states to 9016 states and 12131 transitions. [2024-12-02 13:18:35,468 INFO L78 Accepts]: Start accepts. Automaton has 9016 states and 12131 transitions. Word has length 84 [2024-12-02 13:18:35,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:18:35,469 INFO L471 AbstractCegarLoop]: Abstraction has 9016 states and 12131 transitions. [2024-12-02 13:18:35,469 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) [2024-12-02 13:18:35,469 INFO L276 IsEmpty]: Start isEmpty. Operand 9016 states and 12131 transitions. [2024-12-02 13:18:35,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-02 13:18:35,471 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:18:35,471 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] [2024-12-02 13:18:35,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 13:18:35,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-02 13:18:35,672 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:18:35,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:18:35,672 INFO L85 PathProgramCache]: Analyzing trace with hash -186134394, now seen corresponding path program 1 times [2024-12-02 13:18:35,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:18:35,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430211505] [2024-12-02 13:18:35,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:35,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:36,053 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-02 13:18:36,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:36,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430211505] [2024-12-02 13:18:36,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430211505] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:18:36,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497208300] [2024-12-02 13:18:36,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:36,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:18:36,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:18:36,055 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:18:36,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 13:18:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:36,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 1453 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:18:36,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:18:36,852 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-02 13:18:36,852 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:18:36,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497208300] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:18:36,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:18:36,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2024-12-02 13:18:36,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062921421] [2024-12-02 13:18:36,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:18:36,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:18:36,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:18:36,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:18:36,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:18:36,853 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) [2024-12-02 13:18:37,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:18:37,195 INFO L93 Difference]: Finished difference Result 17914 states and 24205 transitions. [2024-12-02 13:18:37,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:18:37,196 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 [2024-12-02 13:18:37,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:18:37,204 INFO L225 Difference]: With dead ends: 17914 [2024-12-02 13:18:37,204 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 13:18:37,225 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 [2024-12-02 13:18:37,226 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 [2024-12-02 13:18:37,226 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] [2024-12-02 13:18:37,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 13:18:37,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 13:18:37,226 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) [2024-12-02 13:18:37,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 13:18:37,233 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2024-12-02 13:18:37,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:18:37,233 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 13:18:37,233 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) [2024-12-02 13:18:37,233 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 13:18:37,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 13:18:37,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:18:37,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 13:18:37,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-12-02 13:18:37,438 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:18:37,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 13:19:07,913 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:19:07,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:19:07 BoogieIcfgContainer [2024-12-02 13:19:07,923 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:19:07,924 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:19:07,924 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:19:07,924 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:19:07,924 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:18:23" (3/4) ... [2024-12-02 13:19:07,926 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 13:19:07,930 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure print_hex_dump [2024-12-02 13:19:07,930 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-12-02 13:19:07,930 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usleep_range [2024-12-02 13:19:07,930 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure devm_gpio_request [2024-12-02 13:19:07,930 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure msleep [2024-12-02 13:19:07,930 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure st21nfca_hci_i2c_disable [2024-12-02 13:19:07,930 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-12-02 13:19:07,930 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_put [2024-12-02 13:19:07,930 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure i2c_master_send [2024-12-02 13:19:07,930 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-12-02 13:19:07,930 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure i2c_master_recv [2024-12-02 13:19:07,930 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure devm_request_threaded_irq [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __dynamic_dev_dbg [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_irq_1 [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_pull [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure alloc_skb [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_irq_2 [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure crc_ccitt [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock_nested [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure gpio_set_value [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_push [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure i2c_get_clientdata [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reg_check_1 [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure activate_suitable_irq_1 [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure st21nfca_hci_irq_thread_fn [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure gpio_to_desc [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nfc_hci_recv_frame [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2024-12-02 13:19:07,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_trim [2024-12-02 13:19:07,932 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2024-12-02 13:19:07,951 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 249 nodes and edges [2024-12-02 13:19:07,953 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 92 nodes and edges [2024-12-02 13:19:07,956 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2024-12-02 13:19:07,958 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-12-02 13:19:07,960 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-02 13:19:07,962 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 13:19:07,965 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 13:19:07,967 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 13:19:08,150 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 13:19:08,150 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 13:19:08,151 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:19:08,152 INFO L158 Benchmark]: Toolchain (without parser) took 52860.95ms. Allocated memory was 142.6MB in the beginning and 620.8MB in the end (delta: 478.2MB). Free memory was 111.5MB in the beginning and 245.0MB in the end (delta: -133.5MB). Peak memory consumption was 341.3MB. Max. memory is 16.1GB. [2024-12-02 13:19:08,152 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 83.6MB in the end (delta: 33.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:19:08,152 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1001.09ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 84.4MB in the end (delta: 27.1MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2024-12-02 13:19:08,152 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.08ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 73.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:19:08,152 INFO L158 Benchmark]: Boogie Preprocessor took 288.91ms. Allocated memory is still 142.6MB. Free memory was 73.2MB in the beginning and 78.3MB in the end (delta: -5.1MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2024-12-02 13:19:08,153 INFO L158 Benchmark]: RCFGBuilder took 6328.44ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 78.3MB in the beginning and 257.9MB in the end (delta: -179.5MB). Peak memory consumption was 144.5MB. Max. memory is 16.1GB. [2024-12-02 13:19:08,153 INFO L158 Benchmark]: TraceAbstraction took 44908.18ms. Allocated memory was 318.8MB in the beginning and 620.8MB in the end (delta: 302.0MB). Free memory was 255.6MB in the beginning and 274.4MB in the end (delta: -18.8MB). Peak memory consumption was 393.2MB. Max. memory is 16.1GB. [2024-12-02 13:19:08,154 INFO L158 Benchmark]: Witness Printer took 226.97ms. Allocated memory is still 620.8MB. Free memory was 274.4MB in the beginning and 245.0MB in the end (delta: 29.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 13:19:08,155 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 83.6MB in the end (delta: 33.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1001.09ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 84.4MB in the end (delta: 27.1MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.08ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 73.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 288.91ms. Allocated memory is still 142.6MB. Free memory was 73.2MB in the beginning and 78.3MB in the end (delta: -5.1MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * RCFGBuilder took 6328.44ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 78.3MB in the beginning and 257.9MB in the end (delta: -179.5MB). Peak memory consumption was 144.5MB. Max. memory is 16.1GB. * TraceAbstraction took 44908.18ms. Allocated memory was 318.8MB in the beginning and 620.8MB in the end (delta: 302.0MB). Free memory was 255.6MB in the beginning and 274.4MB in the end (delta: -18.8MB). Peak memory consumption was 393.2MB. Max. memory is 16.1GB. * Witness Printer took 226.97ms. Allocated memory is still 620.8MB. Free memory was 274.4MB in the beginning and 245.0MB in the end (delta: 29.4MB). 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: 14.4s, OverallIterations: 12, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7469 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7461 mSDsluCounter, 29133 SdHoareTripleChecker+Invalid, 0.3s 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, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 346 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s 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: 2.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 177 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.6s 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! [2024-12-02 13:19:08,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476183a4-bd2e-4964-a1f9-408e7fb71466/bin/uautomizer-verify-84ZbGMXZE1/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