./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 c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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-?-c00e63d-m [2025-02-06 06:28:51,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 06:28:51,852 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 06:28:51,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 06:28:51,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 06:28:51,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 06:28:51,875 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 06:28:51,875 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 06:28:51,875 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 06:28:51,875 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 06:28:51,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 06:28:51,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 06:28:51,876 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 06:28:51,876 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 06:28:51,876 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 06:28:51,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 06:28:51,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 06:28:51,876 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 06:28:51,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 06:28:51,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 06:28:51,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 06:28:51,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 06:28:51,876 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 06:28:51,876 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 06:28:51,876 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 06:28:51,876 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 06:28:51,876 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 06:28:51,876 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 06:28:51,876 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 06:28:51,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 06:28:51,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 06:28:51,877 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 06:28:51,877 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 06:28:51,877 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 06:28:51,877 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 06:28:51,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 06:28:51,877 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 06:28:51,877 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 06:28:51,877 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 06:28:51,877 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 06:28:51,877 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 [2025-02-06 06:28:52,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 06:28:52,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 06:28:52,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 06:28:52,079 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 06:28:52,079 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 06:28:52,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2025-02-06 06:28:53,277 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1b1cc930d/dc5be1a831064d6bb84c3727cdefa23e/FLAG0987d6f63 [2025-02-06 06:28:53,712 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 06:28:53,712 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2025-02-06 06:28:53,728 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1b1cc930d/dc5be1a831064d6bb84c3727cdefa23e/FLAG0987d6f63 [2025-02-06 06:28:53,848 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1b1cc930d/dc5be1a831064d6bb84c3727cdefa23e [2025-02-06 06:28:53,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 06:28:53,852 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 06:28:53,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 06:28:53,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 06:28:53,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 06:28:53,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:28:53" (1/1) ... [2025-02-06 06:28:53,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31017649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:28:53, skipping insertion in model container [2025-02-06 06:28:53,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:28:53" (1/1) ... [2025-02-06 06:28:53,903 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 06:28:54,147 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715] [2025-02-06 06:28:54,148 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2716-2717] [2025-02-06 06:28:54,184 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/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] [2025-02-06 06:28:54,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 06:28:54,458 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 06:28:54,526 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715] [2025-02-06 06:28:54,527 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2716-2717] [2025-02-06 06:28:54,533 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/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] [2025-02-06 06:28:54,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 06:28:54,698 INFO L204 MainTranslator]: Completed translation [2025-02-06 06:28:54,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:28:54 WrapperNode [2025-02-06 06:28:54,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 06:28:54,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 06:28:54,700 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 06:28:54,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 06:28:54,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:28:54" (1/1) ... [2025-02-06 06:28:54,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:28:54" (1/1) ... [2025-02-06 06:28:54,793 INFO L138 Inliner]: procedures = 143, calls = 706, calls flagged for inlining = 57, calls inlined = 53, statements flattened = 2075 [2025-02-06 06:28:54,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 06:28:54,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 06:28:54,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 06:28:54,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 06:28:54,801 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:28:54" (1/1) ... [2025-02-06 06:28:54,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:28:54" (1/1) ... [2025-02-06 06:28:54,819 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:28:54" (1/1) ... [2025-02-06 06:28:54,957 INFO L175 MemorySlicer]: Split 358 memory accesses to 19 slices as follows [2, 9, 3, 31, 5, 10, 143, 12, 4, 13, 5, 6, 13, 28, 12, 42, 8, 5, 7]. 40 percent of accesses are in the largest equivalence class. The 118 initializations are split as follows [2, 6, 3, 0, 5, 0, 0, 12, 4, 13, 0, 6, 13, 0, 0, 42, 8, 4, 0]. The 117 writes are split as follows [0, 0, 0, 31, 0, 10, 43, 0, 0, 0, 3, 0, 0, 24, 0, 0, 0, 0, 6]. [2025-02-06 06:28:54,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:28:54" (1/1) ... [2025-02-06 06:28:54,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:28:54" (1/1) ... [2025-02-06 06:28:55,017 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:28:54" (1/1) ... [2025-02-06 06:28:55,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:28:54" (1/1) ... [2025-02-06 06:28:55,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:28:54" (1/1) ... [2025-02-06 06:28:55,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:28:54" (1/1) ... [2025-02-06 06:28:55,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 06:28:55,061 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 06:28:55,061 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 06:28:55,061 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 06:28:55,062 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:28:54" (1/1) ... [2025-02-06 06:28:55,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 06:28:55,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 06:28:55,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 06:28:55,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 06:28:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 06:28:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 06:28:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 06:28:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 06:28:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 06:28:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 06:28:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 06:28:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 06:28:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-06 06:28:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-06 06:28:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-02-06 06:28:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-02-06 06:28:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-02-06 06:28:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-02-06 06:28:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-02-06 06:28:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-02-06 06:28:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-02-06 06:28:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-02-06 06:28:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-02-06 06:28:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2025-02-06 06:28:55,121 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2025-02-06 06:28:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2025-02-06 06:28:55,121 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2025-02-06 06:28:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-02-06 06:28:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-02-06 06:28:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-02-06 06:28:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-02-06 06:28:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-02-06 06:28:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-02-06 06:28:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-02-06 06:28:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-02-06 06:28:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-02-06 06:28:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-02-06 06:28:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-02-06 06:28:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-02-06 06:28:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-02-06 06:28:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-02-06 06:28:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-02-06 06:28:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-02-06 06:28:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2025-02-06 06:28:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2025-02-06 06:28:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2025-02-06 06:28:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2025-02-06 06:28:55,124 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2025-02-06 06:28:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 06:28:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 06:28:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 06:28:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 06:28:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 06:28:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 06:28:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 06:28:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 06:28:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-06 06:28:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-02-06 06:28:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-02-06 06:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-02-06 06:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-02-06 06:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-02-06 06:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-02-06 06:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-02-06 06:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-02-06 06:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-02-06 06:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-02-06 06:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-02-06 06:28:55,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-02-06 06:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 06:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 06:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 06:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 06:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 06:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 06:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 06:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 06:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2025-02-06 06:28:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2025-02-06 06:28:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2025-02-06 06:28:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-02-06 06:28:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2025-02-06 06:28:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-02-06 06:28:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2025-02-06 06:28:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2025-02-06 06:28:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure devm_gpio_request [2025-02-06 06:28:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_gpio_request [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-02-06 06:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-02-06 06:28:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-02-06 06:28:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-02-06 06:28:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-02-06 06:28:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-02-06 06:28:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-02-06 06:28:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2025-02-06 06:28:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2025-02-06 06:28:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2025-02-06 06:28:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2025-02-06 06:28:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-02-06 06:28:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-02-06 06:28:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2025-02-06 06:28:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2025-02-06 06:28:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2025-02-06 06:28:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2025-02-06 06:28:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_irq_thread_fn [2025-02-06 06:28:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_irq_thread_fn [2025-02-06 06:28:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 06:28:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 06:28:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2025-02-06 06:28:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2025-02-06 06:28:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_hci_recv_frame [2025-02-06 06:28:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_hci_recv_frame [2025-02-06 06:28:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 06:28:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2025-02-06 06:28:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2025-02-06 06:28:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2025-02-06 06:28:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt [2025-02-06 06:28:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-02-06 06:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-02-06 06:28:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-02-06 06:28:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-02-06 06:28:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-02-06 06:28:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-02-06 06:28:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-02-06 06:28:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 06:28:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 06:28:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 06:28:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 06:28:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 06:28:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 06:28:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-02-06 06:28:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_disable [2025-02-06 06:28:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_disable [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-02-06 06:28:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2025-02-06 06:28:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2025-02-06 06:28:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2025-02-06 06:28:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 06:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-02-06 06:28:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-02-06 06:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 06:28:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 06:28:55,484 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 06:28:55,486 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 06:28:55,528 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-02-06 06:28:55,532 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4575: havoc #t~ret404.base, #t~ret404.offset; [2025-02-06 06:28:55,546 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4480: havoc #t~nondet385; [2025-02-06 06:28:55,839 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3424: call ULTIMATE.dealloc(st21nfca_hci_i2c_read_~#buf~0#1.base, st21nfca_hci_i2c_read_~#buf~0#1.offset);havoc st21nfca_hci_i2c_read_~#buf~0#1.base, st21nfca_hci_i2c_read_~#buf~0#1.offset; [2025-02-06 06:28:55,839 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3493: call ULTIMATE.dealloc(~#descriptor~1#1.base, ~#descriptor~1#1.offset);havoc ~#descriptor~1#1.base, ~#descriptor~1#1.offset; [2025-02-06 06:28:55,840 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3412: havoc st21nfca_hci_i2c_repack_#t~mem202#1; [2025-02-06 06:28:55,843 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4559: havoc #t~nondet399; [2025-02-06 06:28:55,845 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4476: havoc #t~nondet384; [2025-02-06 06:28:55,858 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4487: havoc #t~nondet387; [2025-02-06 06:28:55,863 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2957: havoc dev_get_drvdata_#t~mem39#1.base, dev_get_drvdata_#t~mem39#1.offset; [2025-02-06 06:28:55,880 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4451: havoc #t~nondet378; [2025-02-06 06:28:55,882 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4572: havoc #t~ret403.base, #t~ret403.offset; [2025-02-06 06:28:55,888 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4490: havoc #t~ret388.base, #t~ret388.offset; [2025-02-06 06:28:55,892 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4513: havoc #t~nondet393; [2025-02-06 06:28:55,909 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4530: havoc ldv_handler1_1_#t~nondet396#1; [2025-02-06 06:28:55,927 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4534: havoc ldv_handler1_2_#t~nondet397#1; [2025-02-06 06:28:55,929 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4472: havoc #t~nondet383; [2025-02-06 06:28:55,940 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4509: havoc #t~nondet392; [2025-02-06 06:29:00,430 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3274: havoc st21nfca_hci_i2c_write_#t~mem146#1; [2025-02-06 06:29:00,430 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4498: havoc gpiod_direction_output_raw_#t~nondet390#1; [2025-02-06 06:29:00,430 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4502: havoc gpiod_to_irq_#t~nondet391#1; [2025-02-06 06:29:00,430 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3251: call ULTIMATE.dealloc(st21nfca_hci_i2c_write_~#tmp~15#1.base, st21nfca_hci_i2c_write_~#tmp~15#1.offset);havoc st21nfca_hci_i2c_write_~#tmp~15#1.base, st21nfca_hci_i2c_write_~#tmp~15#1.offset;call ULTIMATE.dealloc(st21nfca_hci_i2c_write_~#descriptor~0#1.base, st21nfca_hci_i2c_write_~#descriptor~0#1.offset);havoc st21nfca_hci_i2c_write_~#descriptor~0#1.base, st21nfca_hci_i2c_write_~#descriptor~0#1.offset; [2025-02-06 06:29:00,430 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3120: call ULTIMATE.dealloc(st21nfca_hci_platform_init_~#wait_reboot~0#1.base, st21nfca_hci_platform_init_~#wait_reboot~0#1.offset);havoc st21nfca_hci_platform_init_~#wait_reboot~0#1.base, st21nfca_hci_platform_init_~#wait_reboot~0#1.offset;call ULTIMATE.dealloc(st21nfca_hci_platform_init_~#reboot_cmd~0#1.base, st21nfca_hci_platform_init_~#reboot_cmd~0#1.offset);havoc st21nfca_hci_platform_init_~#reboot_cmd~0#1.base, st21nfca_hci_platform_init_~#reboot_cmd~0#1.offset;call ULTIMATE.dealloc(st21nfca_hci_platform_init_~#tmp~13#1.base, st21nfca_hci_platform_init_~#tmp~13#1.offset);havoc st21nfca_hci_platform_init_~#tmp~13#1.base, st21nfca_hci_platform_init_~#tmp~13#1.offset; [2025-02-06 06:29:00,430 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4483: havoc devm_kmalloc_#t~ret386#1.base, devm_kmalloc_#t~ret386#1.offset; [2025-02-06 06:29:00,430 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4517: havoc i2c_register_driver_#t~nondet394#1; [2025-02-06 06:29:00,431 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3000: havoc i2c_check_functionality_#t~bitwise59#1; [2025-02-06 06:29:00,431 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4587: havoc st21nfca_hci_probe_#t~nondet408#1; [2025-02-06 06:29:00,431 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4455: havoc __dynamic_pr_debug_#t~nondet379#1; [2025-02-06 06:29:00,431 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3633: call ULTIMATE.dealloc(st21nfca_hci_i2c_probe_~#descriptor~2#1.base, st21nfca_hci_i2c_probe_~#descriptor~2#1.offset);havoc st21nfca_hci_i2c_probe_~#descriptor~2#1.base, st21nfca_hci_i2c_probe_~#descriptor~2#1.offset;call ULTIMATE.dealloc(st21nfca_hci_i2c_probe_~#descriptor___0~0#1.base, st21nfca_hci_i2c_probe_~#descriptor___0~0#1.offset);havoc st21nfca_hci_i2c_probe_~#descriptor___0~0#1.base, st21nfca_hci_i2c_probe_~#descriptor___0~0#1.offset;call ULTIMATE.dealloc(st21nfca_hci_i2c_probe_~#__key~0#1.base, st21nfca_hci_i2c_probe_~#__key~0#1.offset);havoc st21nfca_hci_i2c_probe_~#__key~0#1.base, st21nfca_hci_i2c_probe_~#__key~0#1.offset; [2025-02-06 06:29:00,431 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3733: call ULTIMATE.dealloc(st21nfca_hci_i2c_remove_~#descriptor~3#1.base, st21nfca_hci_i2c_remove_~#descriptor~3#1.offset);havoc st21nfca_hci_i2c_remove_~#descriptor~3#1.base, st21nfca_hci_i2c_remove_~#descriptor~3#1.offset; [2025-02-06 06:29:00,431 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4494: havoc gpiod_direction_input_#t~nondet389#1; [2025-02-06 06:29:00,626 INFO L? ?]: Removed 764 outVars from TransFormulas that were not future-live. [2025-02-06 06:29:00,626 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 06:29:00,647 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 06:29:00,647 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 06:29:00,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:29:00 BoogieIcfgContainer [2025-02-06 06:29:00,648 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 06:29:00,650 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 06:29:00,650 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 06:29:00,653 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 06:29:00,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 06:28:53" (1/3) ... [2025-02-06 06:29:00,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5600c978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:29:00, skipping insertion in model container [2025-02-06 06:29:00,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:28:54" (2/3) ... [2025-02-06 06:29:00,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5600c978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:29:00, skipping insertion in model container [2025-02-06 06:29:00,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:29:00" (3/3) ... [2025-02-06 06:29:00,655 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 [2025-02-06 06:29:00,667 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 06:29:00,670 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, 598 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-02-06 06:29:00,714 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 06:29:00,721 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;@78524d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 06:29:00,721 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 06:29:00,725 INFO L276 IsEmpty]: Start isEmpty. Operand has 602 states, 444 states have (on average 1.3581081081081081) internal successors, (603), 461 states have internal predecessors, (603), 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) [2025-02-06 06:29:00,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-06 06:29:00,736 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:29:00,736 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] [2025-02-06 06:29:00,736 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:29:00,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:29:00,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1387269210, now seen corresponding path program 1 times [2025-02-06 06:29:00,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:29:00,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351458449] [2025-02-06 06:29:00,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:29:00,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:29:00,953 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-06 06:29:01,038 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-06 06:29:01,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:29:01,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:29:01,362 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 06:29:01,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:29:01,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351458449] [2025-02-06 06:29:01,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351458449] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:29:01,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:29:01,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 06:29:01,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473750853] [2025-02-06 06:29:01,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:29:01,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 06:29:01,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:29:01,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 06:29:01,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 06:29:01,385 INFO L87 Difference]: Start difference. First operand has 602 states, 444 states have (on average 1.3581081081081081) internal successors, (603), 461 states have internal predecessors, (603), 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 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) [2025-02-06 06:29:01,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:29:01,595 INFO L93 Difference]: Finished difference Result 1783 states and 2523 transitions. [2025-02-06 06:29:01,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 06:29:01,597 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 [2025-02-06 06:29:01,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:29:01,612 INFO L225 Difference]: With dead ends: 1783 [2025-02-06 06:29:01,612 INFO L226 Difference]: Without dead ends: 1138 [2025-02-06 06:29:01,617 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 [2025-02-06 06:29:01,618 INFO L435 NwaCegarLoop]: 815 mSDtfsCounter, 793 mSDsluCounter, 2406 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 793 SdHoareTripleChecker+Valid, 3221 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 06:29:01,619 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [793 Valid, 3221 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 06:29:01,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2025-02-06 06:29:01,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 1132. [2025-02-06 06:29:01,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1132 states, 855 states have (on average 1.3169590643274853) internal successors, (1126), 861 states have internal predecessors, (1126), 211 states have call successors, (211), 67 states have call predecessors, (211), 65 states have return successors, (210), 206 states have call predecessors, (210), 210 states have call successors, (210) [2025-02-06 06:29:01,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1547 transitions. [2025-02-06 06:29:01,716 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1547 transitions. Word has length 71 [2025-02-06 06:29:01,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:29:01,716 INFO L471 AbstractCegarLoop]: Abstraction has 1132 states and 1547 transitions. [2025-02-06 06:29:01,716 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) [2025-02-06 06:29:01,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1547 transitions. [2025-02-06 06:29:01,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-02-06 06:29:01,722 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:29:01,723 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] [2025-02-06 06:29:01,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 06:29:01,723 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:29:01,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:29:01,723 INFO L85 PathProgramCache]: Analyzing trace with hash -511884257, now seen corresponding path program 1 times [2025-02-06 06:29:01,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:29:01,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368576748] [2025-02-06 06:29:01,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:29:01,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:29:01,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-06 06:29:01,861 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-06 06:29:01,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:29:01,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:29:02,108 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 06:29:02,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:29:02,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368576748] [2025-02-06 06:29:02,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368576748] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:29:02,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:29:02,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 06:29:02,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725598635] [2025-02-06 06:29:02,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:29:02,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 06:29:02,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:29:02,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 06:29:02,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 06:29:02,111 INFO L87 Difference]: Start difference. First operand 1132 states and 1547 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) [2025-02-06 06:29:02,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:29:02,248 INFO L93 Difference]: Finished difference Result 3372 states and 4607 transitions. [2025-02-06 06:29:02,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 06:29:02,249 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 [2025-02-06 06:29:02,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:29:02,257 INFO L225 Difference]: With dead ends: 3372 [2025-02-06 06:29:02,257 INFO L226 Difference]: Without dead ends: 2247 [2025-02-06 06:29:02,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 06:29:02,260 INFO L435 NwaCegarLoop]: 784 mSDtfsCounter, 767 mSDsluCounter, 2315 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 3099 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 06:29:02,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 3099 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 06:29:02,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2247 states. [2025-02-06 06:29:02,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2247 to 2238. [2025-02-06 06:29:02,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2238 states, 1693 states have (on average 1.3189604252805671) internal successors, (2233), 1711 states have internal predecessors, (2233), 414 states have call successors, (414), 133 states have call predecessors, (414), 130 states have return successors, (413), 399 states have call predecessors, (413), 413 states have call successors, (413) [2025-02-06 06:29:02,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 2238 states and 3060 transitions. [2025-02-06 06:29:02,381 INFO L78 Accepts]: Start accepts. Automaton has 2238 states and 3060 transitions. Word has length 74 [2025-02-06 06:29:02,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:29:02,382 INFO L471 AbstractCegarLoop]: Abstraction has 2238 states and 3060 transitions. [2025-02-06 06:29:02,382 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) [2025-02-06 06:29:02,382 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 3060 transitions. [2025-02-06 06:29:02,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-02-06 06:29:02,387 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:29:02,387 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] [2025-02-06 06:29:02,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 06:29:02,388 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:29:02,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:29:02,391 INFO L85 PathProgramCache]: Analyzing trace with hash 920143473, now seen corresponding path program 1 times [2025-02-06 06:29:02,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:29:02,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989005846] [2025-02-06 06:29:02,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:29:02,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:29:02,530 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-06 06:29:02,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-06 06:29:02,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:29:02,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:29:02,715 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 06:29:02,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:29:02,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989005846] [2025-02-06 06:29:02,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989005846] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:29:02,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:29:02,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 06:29:02,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758734494] [2025-02-06 06:29:02,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:29:02,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 06:29:02,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:29:02,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 06:29:02,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 06:29:02,718 INFO L87 Difference]: Start difference. First operand 2238 states and 3060 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) [2025-02-06 06:29:02,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:29:02,819 INFO L93 Difference]: Finished difference Result 3769 states and 5129 transitions. [2025-02-06 06:29:02,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 06:29:02,820 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 [2025-02-06 06:29:02,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:29:02,828 INFO L225 Difference]: With dead ends: 3769 [2025-02-06 06:29:02,828 INFO L226 Difference]: Without dead ends: 2232 [2025-02-06 06:29:02,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 06:29:02,831 INFO L435 NwaCegarLoop]: 782 mSDtfsCounter, 769 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 769 SdHoareTripleChecker+Valid, 2331 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 06:29:02,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [769 Valid, 2331 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 06:29:02,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2232 states. [2025-02-06 06:29:02,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2232 to 2232. [2025-02-06 06:29:02,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2232 states, 1691 states have (on average 1.3169722057953874) internal successors, (2227), 1707 states have internal predecessors, (2227), 410 states have call successors, (410), 133 states have call predecessors, (410), 130 states have return successors, (409), 397 states have call predecessors, (409), 409 states have call successors, (409) [2025-02-06 06:29:02,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2232 states to 2232 states and 3046 transitions. [2025-02-06 06:29:02,926 INFO L78 Accepts]: Start accepts. Automaton has 2232 states and 3046 transitions. Word has length 75 [2025-02-06 06:29:02,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:29:02,927 INFO L471 AbstractCegarLoop]: Abstraction has 2232 states and 3046 transitions. [2025-02-06 06:29:02,927 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) [2025-02-06 06:29:02,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2232 states and 3046 transitions. [2025-02-06 06:29:02,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-06 06:29:02,934 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:29:02,934 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] [2025-02-06 06:29:02,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 06:29:02,934 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:29:02,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:29:02,934 INFO L85 PathProgramCache]: Analyzing trace with hash 843030603, now seen corresponding path program 1 times [2025-02-06 06:29:02,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:29:02,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009854248] [2025-02-06 06:29:02,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:29:02,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:29:03,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-06 06:29:03,212 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 06:29:03,212 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:29:03,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:29:03,360 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 06:29:03,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:29:03,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009854248] [2025-02-06 06:29:03,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009854248] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:29:03,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:29:03,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 06:29:03,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495434556] [2025-02-06 06:29:03,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:29:03,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 06:29:03,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:29:03,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 06:29:03,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 06:29:03,362 INFO L87 Difference]: Start difference. First operand 2232 states and 3046 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) [2025-02-06 06:29:03,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:29:03,513 INFO L93 Difference]: Finished difference Result 4882 states and 6642 transitions. [2025-02-06 06:29:03,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 06:29:03,514 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 [2025-02-06 06:29:03,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:29:03,535 INFO L225 Difference]: With dead ends: 4882 [2025-02-06 06:29:03,535 INFO L226 Difference]: Without dead ends: 3343 [2025-02-06 06:29:03,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 06:29:03,548 INFO L435 NwaCegarLoop]: 781 mSDtfsCounter, 762 mSDsluCounter, 2307 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 762 SdHoareTripleChecker+Valid, 3088 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 06:29:03,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [762 Valid, 3088 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 06:29:03,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3343 states. [2025-02-06 06:29:03,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3343 to 3340. [2025-02-06 06:29:03,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3340 states, 2534 states have (on average 1.3153117600631412) internal successors, (3333), 2554 states have internal predecessors, (3333), 609 states have call successors, (609), 199 states have call predecessors, (609), 196 states have return successors, (610), 596 states have call predecessors, (610), 608 states have call successors, (610) [2025-02-06 06:29:03,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3340 states to 3340 states and 4552 transitions. [2025-02-06 06:29:03,678 INFO L78 Accepts]: Start accepts. Automaton has 3340 states and 4552 transitions. Word has length 72 [2025-02-06 06:29:03,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:29:03,678 INFO L471 AbstractCegarLoop]: Abstraction has 3340 states and 4552 transitions. [2025-02-06 06:29:03,678 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) [2025-02-06 06:29:03,678 INFO L276 IsEmpty]: Start isEmpty. Operand 3340 states and 4552 transitions. [2025-02-06 06:29:03,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-02-06 06:29:03,680 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:29:03,680 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] [2025-02-06 06:29:03,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 06:29:03,681 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:29:03,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:29:03,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1603224002, now seen corresponding path program 1 times [2025-02-06 06:29:03,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:29:03,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653586832] [2025-02-06 06:29:03,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:29:03,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:29:03,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-06 06:29:03,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-06 06:29:03,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:29:03,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:29:03,899 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 06:29:03,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:29:03,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653586832] [2025-02-06 06:29:03,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653586832] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:29:03,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:29:03,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 06:29:03,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889670489] [2025-02-06 06:29:03,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:29:03,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 06:29:03,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:29:03,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 06:29:03,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 06:29:03,902 INFO L87 Difference]: Start difference. First operand 3340 states and 4552 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) [2025-02-06 06:29:04,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:29:04,073 INFO L93 Difference]: Finished difference Result 5629 states and 7639 transitions. [2025-02-06 06:29:04,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 06:29:04,073 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 [2025-02-06 06:29:04,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:29:04,090 INFO L225 Difference]: With dead ends: 5629 [2025-02-06 06:29:04,091 INFO L226 Difference]: Without dead ends: 3331 [2025-02-06 06:29:04,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 06:29:04,099 INFO L435 NwaCegarLoop]: 778 mSDtfsCounter, 764 mSDsluCounter, 1542 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 2320 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 06:29:04,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 2320 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 06:29:04,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3331 states. [2025-02-06 06:29:04,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3331 to 3331. [2025-02-06 06:29:04,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3331 states, 2531 states have (on average 1.3133148952983011) internal successors, (3324), 2548 states have internal predecessors, (3324), 603 states have call successors, (603), 199 states have call predecessors, (603), 196 states have return successors, (604), 593 states have call predecessors, (604), 602 states have call successors, (604) [2025-02-06 06:29:04,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3331 states to 3331 states and 4531 transitions. [2025-02-06 06:29:04,227 INFO L78 Accepts]: Start accepts. Automaton has 3331 states and 4531 transitions. Word has length 76 [2025-02-06 06:29:04,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:29:04,229 INFO L471 AbstractCegarLoop]: Abstraction has 3331 states and 4531 transitions. [2025-02-06 06:29:04,229 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) [2025-02-06 06:29:04,229 INFO L276 IsEmpty]: Start isEmpty. Operand 3331 states and 4531 transitions. [2025-02-06 06:29:04,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-02-06 06:29:04,232 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:29:04,232 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] [2025-02-06 06:29:04,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 06:29:04,232 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:29:04,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:29:04,232 INFO L85 PathProgramCache]: Analyzing trace with hash 391396829, now seen corresponding path program 1 times [2025-02-06 06:29:04,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:29:04,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72391656] [2025-02-06 06:29:04,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:29:04,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:29:04,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-06 06:29:04,353 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-06 06:29:04,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:29:04,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:29:04,481 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 06:29:04,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:29:04,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72391656] [2025-02-06 06:29:04,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72391656] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:29:04,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:29:04,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 06:29:04,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134088775] [2025-02-06 06:29:04,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:29:04,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 06:29:04,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:29:04,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 06:29:04,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 06:29:04,482 INFO L87 Difference]: Start difference. First operand 3331 states and 4531 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) [2025-02-06 06:29:04,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:29:04,654 INFO L93 Difference]: Finished difference Result 7086 states and 9624 transitions. [2025-02-06 06:29:04,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 06:29:04,654 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 [2025-02-06 06:29:04,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:29:04,674 INFO L225 Difference]: With dead ends: 7086 [2025-02-06 06:29:04,674 INFO L226 Difference]: Without dead ends: 4437 [2025-02-06 06:29:04,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 06:29:04,683 INFO L435 NwaCegarLoop]: 775 mSDtfsCounter, 759 mSDsluCounter, 2291 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 759 SdHoareTripleChecker+Valid, 3066 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 06:29:04,684 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [759 Valid, 3066 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 06:29:04,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4437 states. [2025-02-06 06:29:04,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4437 to 4434. [2025-02-06 06:29:04,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4434 states, 3373 states have (on average 1.3124814705010377) internal successors, (4427), 3393 states have internal predecessors, (4427), 798 states have call successors, (798), 265 states have call predecessors, (798), 262 states have return successors, (801), 789 states have call predecessors, (801), 797 states have call successors, (801) [2025-02-06 06:29:04,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4434 states to 4434 states and 6026 transitions. [2025-02-06 06:29:04,869 INFO L78 Accepts]: Start accepts. Automaton has 4434 states and 6026 transitions. Word has length 73 [2025-02-06 06:29:04,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:29:04,870 INFO L471 AbstractCegarLoop]: Abstraction has 4434 states and 6026 transitions. [2025-02-06 06:29:04,870 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) [2025-02-06 06:29:04,870 INFO L276 IsEmpty]: Start isEmpty. Operand 4434 states and 6026 transitions. [2025-02-06 06:29:04,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-02-06 06:29:04,872 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:29:04,873 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] [2025-02-06 06:29:04,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 06:29:04,873 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:29:04,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:29:04,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1484454418, now seen corresponding path program 1 times [2025-02-06 06:29:04,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:29:04,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116487837] [2025-02-06 06:29:04,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:29:04,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:29:05,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-06 06:29:05,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-06 06:29:05,032 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:29:05,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:29:05,152 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 06:29:05,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:29:05,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116487837] [2025-02-06 06:29:05,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116487837] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:29:05,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:29:05,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 06:29:05,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907841222] [2025-02-06 06:29:05,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:29:05,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 06:29:05,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:29:05,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 06:29:05,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 06:29:05,155 INFO L87 Difference]: Start difference. First operand 4434 states and 6026 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) [2025-02-06 06:29:05,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:29:05,394 INFO L93 Difference]: Finished difference Result 9264 states and 12580 transitions. [2025-02-06 06:29:05,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 06:29:05,395 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 [2025-02-06 06:29:05,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:29:05,418 INFO L225 Difference]: With dead ends: 9264 [2025-02-06 06:29:05,418 INFO L226 Difference]: Without dead ends: 5504 [2025-02-06 06:29:05,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 06:29:05,427 INFO L435 NwaCegarLoop]: 775 mSDtfsCounter, 760 mSDsluCounter, 2291 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 3066 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 06:29:05,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 3066 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 06:29:05,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5504 states. [2025-02-06 06:29:05,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5504 to 5501. [2025-02-06 06:29:05,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5501 states, 4185 states have (on average 1.3113500597371566) internal successors, (5488), 4208 states have internal predecessors, (5488), 989 states have call successors, (989), 329 states have call predecessors, (989), 326 states have return successors, (994), 981 states have call predecessors, (994), 988 states have call successors, (994) [2025-02-06 06:29:05,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5501 states to 5501 states and 7471 transitions. [2025-02-06 06:29:05,607 INFO L78 Accepts]: Start accepts. Automaton has 5501 states and 7471 transitions. Word has length 74 [2025-02-06 06:29:05,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:29:05,608 INFO L471 AbstractCegarLoop]: Abstraction has 5501 states and 7471 transitions. [2025-02-06 06:29:05,608 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) [2025-02-06 06:29:05,608 INFO L276 IsEmpty]: Start isEmpty. Operand 5501 states and 7471 transitions. [2025-02-06 06:29:05,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-06 06:29:05,609 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:29:05,610 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] [2025-02-06 06:29:05,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 06:29:05,610 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:29:05,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:29:05,610 INFO L85 PathProgramCache]: Analyzing trace with hash 543777780, now seen corresponding path program 1 times [2025-02-06 06:29:05,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:29:05,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274767399] [2025-02-06 06:29:05,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:29:05,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:29:05,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-06 06:29:05,721 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-06 06:29:05,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:29:05,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:29:05,865 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 06:29:05,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:29:05,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274767399] [2025-02-06 06:29:05,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274767399] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:29:05,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:29:05,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 06:29:05,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877495266] [2025-02-06 06:29:05,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:29:05,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 06:29:05,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:29:05,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 06:29:05,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 06:29:05,867 INFO L87 Difference]: Start difference. First operand 5501 states and 7471 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) [2025-02-06 06:29:05,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:29:05,980 INFO L93 Difference]: Finished difference Result 6326 states and 8522 transitions. [2025-02-06 06:29:05,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 06:29:05,981 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 [2025-02-06 06:29:05,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:29:05,996 INFO L225 Difference]: With dead ends: 6326 [2025-02-06 06:29:05,997 INFO L226 Difference]: Without dead ends: 2543 [2025-02-06 06:29:06,006 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 06:29:06,006 INFO L435 NwaCegarLoop]: 748 mSDtfsCounter, 732 mSDsluCounter, 1494 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 2242 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 06:29:06,007 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 2242 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 06:29:06,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2543 states. [2025-02-06 06:29:06,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2543 to 2543. [2025-02-06 06:29:06,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2543 states, 1928 states have (on average 1.2987551867219918) internal successors, (2504), 1937 states have internal predecessors, (2504), 458 states have call successors, (458), 158 states have call predecessors, (458), 156 states have return successors, (460), 456 states have call predecessors, (460), 457 states have call successors, (460) [2025-02-06 06:29:06,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2543 states to 2543 states and 3422 transitions. [2025-02-06 06:29:06,102 INFO L78 Accepts]: Start accepts. Automaton has 2543 states and 3422 transitions. Word has length 77 [2025-02-06 06:29:06,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:29:06,102 INFO L471 AbstractCegarLoop]: Abstraction has 2543 states and 3422 transitions. [2025-02-06 06:29:06,103 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) [2025-02-06 06:29:06,103 INFO L276 IsEmpty]: Start isEmpty. Operand 2543 states and 3422 transitions. [2025-02-06 06:29:06,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-06 06:29:06,103 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:29:06,104 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] [2025-02-06 06:29:06,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 06:29:06,105 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:29:06,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:29:06,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1081321851, now seen corresponding path program 1 times [2025-02-06 06:29:06,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:29:06,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552040394] [2025-02-06 06:29:06,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:29:06,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:29:06,218 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-06 06:29:06,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-06 06:29:06,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:29:06,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:29:06,322 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-02-06 06:29:06,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:29:06,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552040394] [2025-02-06 06:29:06,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552040394] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:29:06,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:29:06,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:29:06,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064996265] [2025-02-06 06:29:06,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:29:06,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:29:06,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:29:06,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:29:06,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:29:06,324 INFO L87 Difference]: Start difference. First operand 2543 states and 3422 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) [2025-02-06 06:29:06,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:29:06,449 INFO L93 Difference]: Finished difference Result 5248 states and 7036 transitions. [2025-02-06 06:29:06,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:29:06,449 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 [2025-02-06 06:29:06,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:29:06,461 INFO L225 Difference]: With dead ends: 5248 [2025-02-06 06:29:06,461 INFO L226 Difference]: Without dead ends: 2717 [2025-02-06 06:29:06,467 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 [2025-02-06 06:29:06,468 INFO L435 NwaCegarLoop]: 746 mSDtfsCounter, 219 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 1466 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 06:29:06,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 1466 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 06:29:06,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2025-02-06 06:29:06,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 2717. [2025-02-06 06:29:06,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2717 states, 2061 states have (on average 1.2935468219311015) internal successors, (2666), 2070 states have internal predecessors, (2666), 481 states have call successors, (481), 176 states have call predecessors, (481), 174 states have return successors, (483), 479 states have call predecessors, (483), 480 states have call successors, (483) [2025-02-06 06:29:06,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2717 states and 3630 transitions. [2025-02-06 06:29:06,552 INFO L78 Accepts]: Start accepts. Automaton has 2717 states and 3630 transitions. Word has length 80 [2025-02-06 06:29:06,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:29:06,552 INFO L471 AbstractCegarLoop]: Abstraction has 2717 states and 3630 transitions. [2025-02-06 06:29:06,553 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) [2025-02-06 06:29:06,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 3630 transitions. [2025-02-06 06:29:06,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-02-06 06:29:06,554 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:29:06,554 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:29:06,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 06:29:06,555 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:29:06,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:29:06,555 INFO L85 PathProgramCache]: Analyzing trace with hash -182394886, now seen corresponding path program 1 times [2025-02-06 06:29:06,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:29:06,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902344311] [2025-02-06 06:29:06,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:29:06,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:29:06,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-06 06:29:06,732 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-06 06:29:06,732 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:29:06,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:29:06,870 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-02-06 06:29:06,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:29:06,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902344311] [2025-02-06 06:29:06,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902344311] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:29:06,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:29:06,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:29:06,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134104936] [2025-02-06 06:29:06,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:29:06,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:29:06,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:29:06,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:29:06,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:29:06,876 INFO L87 Difference]: Start difference. First operand 2717 states and 3630 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2025-02-06 06:29:07,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:29:07,015 INFO L93 Difference]: Finished difference Result 2725 states and 3642 transitions. [2025-02-06 06:29:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:29:07,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 99 [2025-02-06 06:29:07,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:29:07,028 INFO L225 Difference]: With dead ends: 2725 [2025-02-06 06:29:07,029 INFO L226 Difference]: Without dead ends: 2722 [2025-02-06 06:29:07,030 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 [2025-02-06 06:29:07,030 INFO L435 NwaCegarLoop]: 745 mSDtfsCounter, 0 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1485 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 06:29:07,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1485 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 06:29:07,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2722 states. [2025-02-06 06:29:07,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2722 to 2722. [2025-02-06 06:29:07,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2066 states have (on average 1.292836398838335) internal successors, (2671), 2075 states have internal predecessors, (2671), 481 states have call successors, (481), 176 states have call predecessors, (481), 174 states have return successors, (483), 479 states have call predecessors, (483), 480 states have call successors, (483) [2025-02-06 06:29:07,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3635 transitions. [2025-02-06 06:29:07,167 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3635 transitions. Word has length 99 [2025-02-06 06:29:07,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:29:07,167 INFO L471 AbstractCegarLoop]: Abstraction has 2722 states and 3635 transitions. [2025-02-06 06:29:07,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2025-02-06 06:29:07,167 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3635 transitions. [2025-02-06 06:29:07,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-06 06:29:07,169 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:29:07,169 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:29:07,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 06:29:07,169 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:29:07,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:29:07,170 INFO L85 PathProgramCache]: Analyzing trace with hash 820574202, now seen corresponding path program 1 times [2025-02-06 06:29:07,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:29:07,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966113479] [2025-02-06 06:29:07,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:29:07,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:29:07,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-06 06:29:07,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-06 06:29:07,356 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:29:07,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:29:07,488 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-02-06 06:29:07,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:29:07,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966113479] [2025-02-06 06:29:07,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966113479] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:29:07,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:29:07,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 06:29:07,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388259347] [2025-02-06 06:29:07,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:29:07,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 06:29:07,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:29:07,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 06:29:07,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 06:29:07,490 INFO L87 Difference]: Start difference. First operand 2722 states and 3635 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2025-02-06 06:29:07,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:29:07,579 INFO L93 Difference]: Finished difference Result 5229 states and 7030 transitions. [2025-02-06 06:29:07,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 06:29:07,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2025-02-06 06:29:07,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:29:07,584 INFO L225 Difference]: With dead ends: 5229 [2025-02-06 06:29:07,584 INFO L226 Difference]: Without dead ends: 0 [2025-02-06 06:29:07,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 06:29:07,593 INFO L435 NwaCegarLoop]: 734 mSDtfsCounter, 686 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 1468 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 06:29:07,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 1468 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 06:29:07,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-06 06:29:07,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-06 06:29:07,594 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) [2025-02-06 06:29:07,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-06 06:29:07,597 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 101 [2025-02-06 06:29:07,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:29:07,597 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 06:29:07,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2025-02-06 06:29:07,598 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-06 06:29:07,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-06 06:29:07,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 06:29:07,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 06:29:07,602 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:29:07,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-06 06:29:16,325 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 06:29:16,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 06:29:16 BoogieIcfgContainer [2025-02-06 06:29:16,338 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 06:29:16,339 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 06:29:16,339 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 06:29:16,339 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 06:29:16,339 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:29:00" (3/4) ... [2025-02-06 06:29:16,341 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 06:29:16,346 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure print_hex_dump [2025-02-06 06:29:16,346 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printk [2025-02-06 06:29:16,346 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure usleep_range [2025-02-06 06:29:16,346 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure devm_gpio_request [2025-02-06 06:29:16,346 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure msleep [2025-02-06 06:29:16,346 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure st21nfca_hci_i2c_disable [2025-02-06 06:29:16,346 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dev_err [2025-02-06 06:29:16,346 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure skb_put [2025-02-06 06:29:16,346 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure i2c_master_send [2025-02-06 06:29:16,346 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2025-02-06 06:29:16,347 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure i2c_master_recv [2025-02-06 06:29:16,347 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-02-06 06:29:16,347 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure devm_request_threaded_irq [2025-02-06 06:29:16,347 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __dynamic_dev_dbg [2025-02-06 06:29:16,347 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_irq_1 [2025-02-06 06:29:16,347 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure skb_pull [2025-02-06 06:29:16,347 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure alloc_skb [2025-02-06 06:29:16,347 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_irq_2 [2025-02-06 06:29:16,347 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-02-06 06:29:16,347 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure crc_ccitt [2025-02-06 06:29:16,347 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2025-02-06 06:29:16,347 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mutex_lock_nested [2025-02-06 06:29:16,347 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure gpio_set_value [2025-02-06 06:29:16,347 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure skb_push [2025-02-06 06:29:16,347 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure i2c_get_clientdata [2025-02-06 06:29:16,347 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure reg_check_1 [2025-02-06 06:29:16,347 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure activate_suitable_irq_1 [2025-02-06 06:29:16,347 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure st21nfca_hci_irq_thread_fn [2025-02-06 06:29:16,347 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-02-06 06:29:16,347 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure gpio_to_desc [2025-02-06 06:29:16,347 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-02-06 06:29:16,348 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure nfc_hci_recv_frame [2025-02-06 06:29:16,348 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2025-02-06 06:29:16,348 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure skb_trim [2025-02-06 06:29:16,348 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2025-02-06 06:29:16,373 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 247 nodes and edges [2025-02-06 06:29:16,376 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 91 nodes and edges [2025-02-06 06:29:16,378 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2025-02-06 06:29:16,379 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-02-06 06:29:16,381 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-06 06:29:16,383 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-06 06:29:16,385 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 06:29:16,387 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 06:29:16,547 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 06:29:16,547 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 06:29:16,548 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 06:29:16,548 INFO L158 Benchmark]: Toolchain (without parser) took 22696.50ms. Allocated memory was 142.6MB in the beginning and 822.1MB in the end (delta: 679.5MB). Free memory was 106.0MB in the beginning and 480.0MB in the end (delta: -374.0MB). Peak memory consumption was 305.5MB. Max. memory is 16.1GB. [2025-02-06 06:29:16,548 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 06:29:16,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 846.20ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 84.6MB in the end (delta: 21.4MB). Peak memory consumption was 92.0MB. Max. memory is 16.1GB. [2025-02-06 06:29:16,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.43ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 72.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 06:29:16,549 INFO L158 Benchmark]: Boogie Preprocessor took 265.98ms. Allocated memory is still 142.6MB. Free memory was 72.8MB in the beginning and 81.2MB in the end (delta: -8.4MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2025-02-06 06:29:16,549 INFO L158 Benchmark]: IcfgBuilder took 5587.08ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 80.4MB in the beginning and 136.2MB in the end (delta: -55.8MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. [2025-02-06 06:29:16,550 INFO L158 Benchmark]: TraceAbstraction took 15688.48ms. Allocated memory was 285.2MB in the beginning and 822.1MB in the end (delta: 536.9MB). Free memory was 136.2MB in the beginning and 513.4MB in the end (delta: -377.2MB). Peak memory consumption was 405.3MB. Max. memory is 16.1GB. [2025-02-06 06:29:16,550 INFO L158 Benchmark]: Witness Printer took 209.02ms. Allocated memory is still 822.1MB. Free memory was 513.4MB in the beginning and 480.0MB in the end (delta: 33.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-06 06:29:16,553 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 846.20ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 84.6MB in the end (delta: 21.4MB). Peak memory consumption was 92.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.43ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 72.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 265.98ms. Allocated memory is still 142.6MB. Free memory was 72.8MB in the beginning and 81.2MB in the end (delta: -8.4MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * IcfgBuilder took 5587.08ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 80.4MB in the beginning and 136.2MB in the end (delta: -55.8MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. * TraceAbstraction took 15688.48ms. Allocated memory was 285.2MB in the beginning and 822.1MB in the end (delta: 536.9MB). Free memory was 136.2MB in the beginning and 513.4MB in the end (delta: -377.2MB). Peak memory consumption was 405.3MB. Max. memory is 16.1GB. * Witness Printer took 209.02ms. Allocated memory is still 822.1MB. Free memory was 513.4MB in the beginning and 480.0MB in the end (delta: 33.4MB). Peak memory consumption was 25.2MB. 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, 598 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7011 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7011 mSDsluCounter, 26852 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18389 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 385 IncrementalHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 8463 mSDtfsCounter, 385 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5501occurred in iteration=7, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 24 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 872 NumberOfCodeBlocks, 872 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 861 ConstructedInterpolants, 0 QuantifiedInterpolants, 1361 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 497/497 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 RESULT: Ultimate proved your program to be correct! [2025-02-06 06:29:16,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE