./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 551b0097 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-?-551b009-m [2025-01-09 18:34:36,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 18:34:36,271 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 18:34:36,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 18:34:36,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 18:34:36,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 18:34:36,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 18:34:36,299 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 18:34:36,299 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 18:34:36,299 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 18:34:36,299 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 18:34:36,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 18:34:36,299 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 18:34:36,299 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 18:34:36,299 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 18:34:36,299 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 18:34:36,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 18:34:36,300 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 18:34:36,300 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 18:34:36,300 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 18:34:36,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 18:34:36,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 18:34:36,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 18:34:36,300 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 18:34:36,300 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 18:34:36,300 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 18:34:36,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:34:36,300 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:34:36,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:34:36,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:34:36,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 18:34:36,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:34:36,300 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:34:36,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:34:36,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:34:36,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 18:34:36,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 18:34:36,301 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 18:34:36,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 18:34:36,301 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 18:34:36,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 18:34:36,302 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 18:34:36,302 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 18:34:36,302 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 18:34:36,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 18:34:36,302 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 [2025-01-09 18:34:36,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 18:34:36,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 18:34:36,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 18:34:36,480 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 18:34:36,480 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 18:34:36,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2025-01-09 18:34:37,684 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1db6b3500/25459eae647040a68a4c1898db4997b4/FLAG7f2d2f5b1 [2025-01-09 18:34:38,157 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 18:34:38,159 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2025-01-09 18:34:38,190 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1db6b3500/25459eae647040a68a4c1898db4997b4/FLAG7f2d2f5b1 [2025-01-09 18:34:38,252 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1db6b3500/25459eae647040a68a4c1898db4997b4 [2025-01-09 18:34:38,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 18:34:38,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 18:34:38,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 18:34:38,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 18:34:38,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 18:34:38,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:34:38" (1/1) ... [2025-01-09 18:34:38,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf81921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:34:38, skipping insertion in model container [2025-01-09 18:34:38,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:34:38" (1/1) ... [2025-01-09 18:34:38,322 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 18:34:38,579 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715] [2025-01-09 18:34:38,583 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] [2025-01-09 18:34:38,644 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] [2025-01-09 18:34:38,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:34:38,991 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 18:34:39,042 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715] [2025-01-09 18:34:39,043 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] [2025-01-09 18:34:39,049 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] [2025-01-09 18:34:39,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:34:39,192 INFO L204 MainTranslator]: Completed translation [2025-01-09 18:34:39,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:34:39 WrapperNode [2025-01-09 18:34:39,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 18:34:39,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 18:34:39,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 18:34:39,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 18:34:39,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:34:39" (1/1) ... [2025-01-09 18:34:39,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:34:39" (1/1) ... [2025-01-09 18:34:39,300 INFO L138 Inliner]: procedures = 143, calls = 706, calls flagged for inlining = 57, calls inlined = 53, statements flattened = 2075 [2025-01-09 18:34:39,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 18:34:39,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 18:34:39,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 18:34:39,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 18:34:39,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:34:39" (1/1) ... [2025-01-09 18:34:39,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:34:39" (1/1) ... [2025-01-09 18:34:39,327 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:34:39" (1/1) ... [2025-01-09 18:34:39,474 INFO L175 MemorySlicer]: Split 358 memory accesses to 19 slices as follows [9, 2, 3, 31, 5, 12, 13, 28, 5, 13, 8, 143, 12, 6, 4, 7, 42, 10, 5]. 40 percent of accesses are in the largest equivalence class. The 118 initializations are split as follows [6, 2, 3, 0, 5, 0, 13, 0, 0, 13, 8, 0, 12, 6, 4, 0, 42, 0, 4]. The 117 writes are split as follows [0, 0, 0, 31, 0, 0, 0, 24, 3, 0, 0, 43, 0, 0, 0, 6, 0, 10, 0]. [2025-01-09 18:34:39,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:34:39" (1/1) ... [2025-01-09 18:34:39,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:34:39" (1/1) ... [2025-01-09 18:34:39,528 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:34:39" (1/1) ... [2025-01-09 18:34:39,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:34:39" (1/1) ... [2025-01-09 18:34:39,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:34:39" (1/1) ... [2025-01-09 18:34:39,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:34:39" (1/1) ... [2025-01-09 18:34:39,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:34:39" (1/1) ... [2025-01-09 18:34:39,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 18:34:39,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 18:34:39,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 18:34:39,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 18:34:39,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:34:39" (1/1) ... [2025-01-09 18:34:39,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:34:39,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:34:39,628 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) [2025-01-09 18:34:39,631 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 [2025-01-09 18:34:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 18:34:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 18:34:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 18:34:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 18:34:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 18:34:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 18:34:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 18:34:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 18:34:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 18:34:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 18:34:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 18:34:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 18:34:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 18:34:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 18:34:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 18:34:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 18:34:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-01-09 18:34:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-01-09 18:34:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-01-09 18:34:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2025-01-09 18:34:39,649 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2025-01-09 18:34:39,649 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2025-01-09 18:34:39,649 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 18:34:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 18:34:39,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 18:34:39,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 18:34:39,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 18:34:39,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 18:34:39,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 18:34:39,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 18:34:39,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 18:34:39,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 18:34:39,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 18:34:39,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 18:34:39,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-01-09 18:34:39,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-01-09 18:34:39,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-01-09 18:34:39,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-01-09 18:34:39,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-01-09 18:34:39,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-01-09 18:34:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-01-09 18:34:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 18:34:39,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 18:34:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 18:34:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 18:34:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 18:34:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 18:34:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 18:34:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 18:34:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 18:34:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 18:34:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 18:34:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 18:34:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 18:34:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 18:34:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 18:34:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 18:34:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 18:34:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 18:34:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 18:34:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 18:34:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2025-01-09 18:34:39,655 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2025-01-09 18:34:39,655 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2025-01-09 18:34:39,655 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 18:34:39,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2025-01-09 18:34:39,655 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-01-09 18:34:39,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2025-01-09 18:34:39,655 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2025-01-09 18:34:39,655 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure devm_gpio_request [2025-01-09 18:34:39,655 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_gpio_request [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 18:34:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 18:34:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 18:34:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 18:34:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 18:34:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 18:34:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-01-09 18:34:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-01-09 18:34:39,656 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-01-09 18:34:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-01-09 18:34:39,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-01-09 18:34:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2025-01-09 18:34:39,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2025-01-09 18:34:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2025-01-09 18:34:39,656 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2025-01-09 18:34:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-01-09 18:34:39,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-01-09 18:34:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2025-01-09 18:34:39,656 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2025-01-09 18:34:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2025-01-09 18:34:39,656 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2025-01-09 18:34:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_irq_thread_fn [2025-01-09 18:34:39,656 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_irq_thread_fn [2025-01-09 18:34:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 18:34:39,656 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 18:34:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2025-01-09 18:34:39,660 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2025-01-09 18:34:39,660 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_hci_recv_frame [2025-01-09 18:34:39,660 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_hci_recv_frame [2025-01-09 18:34:39,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 18:34:39,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 18:34:39,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 18:34:39,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 18:34:39,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 18:34:39,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 18:34:39,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 18:34:39,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 18:34:39,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 18:34:39,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 18:34:39,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 18:34:39,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 18:34:39,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 18:34:39,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2025-01-09 18:34:39,662 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2025-01-09 18:34:39,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2025-01-09 18:34:39,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt [2025-01-09 18:34:39,662 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 18:34:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 18:34:39,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 18:34:39,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 18:34:39,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-01-09 18:34:39,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-01-09 18:34:39,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-01-09 18:34:39,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-01-09 18:34:39,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-01-09 18:34:39,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-01-09 18:34:39,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-01-09 18:34:39,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-01-09 18:34:39,663 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-01-09 18:34:39,663 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-01-09 18:34:39,663 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_disable [2025-01-09 18:34:39,663 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_disable [2025-01-09 18:34:39,663 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-01-09 18:34:39,663 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-01-09 18:34:39,663 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2025-01-09 18:34:39,663 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2025-01-09 18:34:39,663 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2025-01-09 18:34:39,663 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2025-01-09 18:34:39,666 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2025-01-09 18:34:39,666 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2025-01-09 18:34:39,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 18:34:39,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 18:34:39,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 18:34:39,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 18:34:39,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 18:34:39,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 18:34:39,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 18:34:39,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 18:34:39,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 18:34:39,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 18:34:39,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-01-09 18:34:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-01-09 18:34:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 18:34:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 18:34:40,013 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 18:34:40,016 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 18:34:40,066 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 18:34:44,375 INFO L? ?]: Removed 764 outVars from TransFormulas that were not future-live. [2025-01-09 18:34:44,375 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 18:34:44,388 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 18:34:44,388 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 18:34:44,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:34:44 BoogieIcfgContainer [2025-01-09 18:34:44,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 18:34:44,390 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 18:34:44,390 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 18:34:44,394 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 18:34:44,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 06:34:38" (1/3) ... [2025-01-09 18:34:44,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a506394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:34:44, skipping insertion in model container [2025-01-09 18:34:44,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:34:39" (2/3) ... [2025-01-09 18:34:44,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a506394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:34:44, skipping insertion in model container [2025-01-09 18:34:44,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:34:44" (3/3) ... [2025-01-09 18:34:44,396 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 [2025-01-09 18:34:44,405 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 18:34:44,408 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i that has 36 procedures, 596 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-09 18:34:44,449 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 18:34:44,458 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;@6c794e63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 18:34:44,458 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 18:34:44,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 595 states, 442 states have (on average 1.3597285067873304) internal successors, (601), 454 states have internal predecessors, (601), 117 states have call successors, (117), 35 states have call predecessors, (117), 34 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2025-01-09 18:34:44,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-01-09 18:34:44,482 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:34:44,482 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] [2025-01-09 18:34:44,483 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:34:44,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:34:44,486 INFO L85 PathProgramCache]: Analyzing trace with hash 533051669, now seen corresponding path program 1 times [2025-01-09 18:34:44,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:34:44,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438993523] [2025-01-09 18:34:44,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:34:44,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:34:44,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-09 18:34:44,838 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-09 18:34:44,839 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:34:44,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:34:45,185 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-09 18:34:45,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:34:45,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438993523] [2025-01-09 18:34:45,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438993523] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:34:45,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:34:45,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 18:34:45,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616116259] [2025-01-09 18:34:45,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:34:45,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 18:34:45,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:34:45,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 18:34:45,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:34:45,219 INFO L87 Difference]: Start difference. First operand has 595 states, 442 states have (on average 1.3597285067873304) internal successors, (601), 454 states have internal predecessors, (601), 117 states have call successors, (117), 35 states have call predecessors, (117), 34 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-09 18:34:45,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:34:45,426 INFO L93 Difference]: Finished difference Result 1772 states and 2529 transitions. [2025-01-09 18:34:45,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 18:34:45,429 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 [2025-01-09 18:34:45,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:34:45,447 INFO L225 Difference]: With dead ends: 1772 [2025-01-09 18:34:45,448 INFO L226 Difference]: Without dead ends: 1148 [2025-01-09 18:34:45,455 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 [2025-01-09 18:34:45,458 INFO L435 NwaCegarLoop]: 818 mSDtfsCounter, 803 mSDsluCounter, 2418 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 3236 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:34:45,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 3236 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:34:45,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2025-01-09 18:34:45,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 1139. [2025-01-09 18:34:45,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 859 states have (on average 1.3329452852153667) internal successors, (1145), 867 states have internal predecessors, (1145), 212 states have call successors, (212), 68 states have call predecessors, (212), 67 states have return successors, (211), 207 states have call predecessors, (211), 211 states have call successors, (211) [2025-01-09 18:34:45,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1568 transitions. [2025-01-09 18:34:45,552 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1568 transitions. Word has length 74 [2025-01-09 18:34:45,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:34:45,552 INFO L471 AbstractCegarLoop]: Abstraction has 1139 states and 1568 transitions. [2025-01-09 18:34:45,553 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) [2025-01-09 18:34:45,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1568 transitions. [2025-01-09 18:34:45,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-01-09 18:34:45,556 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:34:45,556 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] [2025-01-09 18:34:45,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 18:34:45,557 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:34:45,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:34:45,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1068625083, now seen corresponding path program 1 times [2025-01-09 18:34:45,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:34:45,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293256980] [2025-01-09 18:34:45,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:34:45,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:34:45,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-09 18:34:45,727 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-09 18:34:45,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:34:45,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:34:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-09 18:34:45,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:34:45,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293256980] [2025-01-09 18:34:45,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293256980] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:34:45,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:34:45,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 18:34:45,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876714923] [2025-01-09 18:34:45,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:34:45,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 18:34:45,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:34:45,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 18:34:45,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:34:45,885 INFO L87 Difference]: Start difference. First operand 1139 states and 1568 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-09 18:34:46,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:34:46,046 INFO L93 Difference]: Finished difference Result 3395 states and 4672 transitions. [2025-01-09 18:34:46,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 18:34:46,046 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 [2025-01-09 18:34:46,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:34:46,057 INFO L225 Difference]: With dead ends: 3395 [2025-01-09 18:34:46,057 INFO L226 Difference]: Without dead ends: 2269 [2025-01-09 18:34:46,059 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 [2025-01-09 18:34:46,060 INFO L435 NwaCegarLoop]: 792 mSDtfsCounter, 771 mSDsluCounter, 2339 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 3131 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:34:46,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 3131 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:34:46,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2269 states. [2025-01-09 18:34:46,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2269 to 2254. [2025-01-09 18:34:46,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2254 states, 1701 states have (on average 1.3315696649029982) internal successors, (2265), 1723 states have internal predecessors, (2265), 418 states have call successors, (418), 137 states have call predecessors, (418), 134 states have return successors, (417), 399 states have call predecessors, (417), 417 states have call successors, (417) [2025-01-09 18:34:46,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 2254 states and 3100 transitions. [2025-01-09 18:34:46,132 INFO L78 Accepts]: Start accepts. Automaton has 2254 states and 3100 transitions. Word has length 71 [2025-01-09 18:34:46,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:34:46,132 INFO L471 AbstractCegarLoop]: Abstraction has 2254 states and 3100 transitions. [2025-01-09 18:34:46,135 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) [2025-01-09 18:34:46,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 3100 transitions. [2025-01-09 18:34:46,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-01-09 18:34:46,139 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:34:46,139 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] [2025-01-09 18:34:46,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 18:34:46,139 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:34:46,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:34:46,139 INFO L85 PathProgramCache]: Analyzing trace with hash -2003839444, now seen corresponding path program 1 times [2025-01-09 18:34:46,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:34:46,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740754304] [2025-01-09 18:34:46,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:34:46,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:34:46,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-09 18:34:46,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-09 18:34:46,295 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:34:46,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:34:46,441 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-09 18:34:46,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:34:46,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740754304] [2025-01-09 18:34:46,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740754304] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:34:46,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:34:46,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 18:34:46,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652891425] [2025-01-09 18:34:46,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:34:46,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 18:34:46,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:34:46,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 18:34:46,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:34:46,444 INFO L87 Difference]: Start difference. First operand 2254 states and 3100 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-09 18:34:46,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:34:46,613 INFO L93 Difference]: Finished difference Result 4932 states and 6758 transitions. [2025-01-09 18:34:46,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 18:34:46,614 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 [2025-01-09 18:34:46,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:34:46,627 INFO L225 Difference]: With dead ends: 4932 [2025-01-09 18:34:46,627 INFO L226 Difference]: Without dead ends: 3402 [2025-01-09 18:34:46,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-09 18:34:46,630 INFO L435 NwaCegarLoop]: 794 mSDtfsCounter, 773 mSDsluCounter, 2342 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 774 SdHoareTripleChecker+Valid, 3136 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:34:46,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 3136 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:34:46,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3402 states. [2025-01-09 18:34:46,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3402 to 3381. [2025-01-09 18:34:46,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 2555 states have (on average 1.3303326810176126) internal successors, (3399), 2583 states have internal predecessors, (3399), 622 states have call successors, (622), 206 states have call predecessors, (622), 203 states have return successors, (623), 601 states have call predecessors, (623), 621 states have call successors, (623) [2025-01-09 18:34:46,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4644 transitions. [2025-01-09 18:34:46,744 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4644 transitions. Word has length 72 [2025-01-09 18:34:46,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:34:46,745 INFO L471 AbstractCegarLoop]: Abstraction has 3381 states and 4644 transitions. [2025-01-09 18:34:46,745 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) [2025-01-09 18:34:46,745 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4644 transitions. [2025-01-09 18:34:46,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-01-09 18:34:46,747 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:34:46,747 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] [2025-01-09 18:34:46,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 18:34:46,748 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:34:46,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:34:46,748 INFO L85 PathProgramCache]: Analyzing trace with hash 445670616, now seen corresponding path program 1 times [2025-01-09 18:34:46,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:34:46,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287159785] [2025-01-09 18:34:46,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:34:46,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:34:46,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-01-09 18:34:46,897 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-01-09 18:34:46,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:34:46,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:34:47,027 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-09 18:34:47,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:34:47,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287159785] [2025-01-09 18:34:47,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287159785] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:34:47,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:34:47,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 18:34:47,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663983812] [2025-01-09 18:34:47,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:34:47,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 18:34:47,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:34:47,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 18:34:47,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:34:47,028 INFO L87 Difference]: Start difference. First operand 3381 states and 4644 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-09 18:34:47,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:34:47,200 INFO L93 Difference]: Finished difference Result 5707 states and 7798 transitions. [2025-01-09 18:34:47,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 18:34:47,201 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 [2025-01-09 18:34:47,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:34:47,217 INFO L225 Difference]: With dead ends: 5707 [2025-01-09 18:34:47,217 INFO L226 Difference]: Without dead ends: 3417 [2025-01-09 18:34:47,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-09 18:34:47,225 INFO L435 NwaCegarLoop]: 793 mSDtfsCounter, 776 mSDsluCounter, 1568 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 2361 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:34:47,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [777 Valid, 2361 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:34:47,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3417 states. [2025-01-09 18:34:47,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3417 to 3393. [2025-01-09 18:34:47,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3393 states, 2567 states have (on average 1.328788469029996) internal successors, (3411), 2592 states have internal predecessors, (3411), 619 states have call successors, (619), 209 states have call predecessors, (619), 206 states have return successors, (620), 601 states have call predecessors, (620), 618 states have call successors, (620) [2025-01-09 18:34:47,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 3393 states and 4650 transitions. [2025-01-09 18:34:47,390 INFO L78 Accepts]: Start accepts. Automaton has 3393 states and 4650 transitions. Word has length 75 [2025-01-09 18:34:47,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:34:47,390 INFO L471 AbstractCegarLoop]: Abstraction has 3393 states and 4650 transitions. [2025-01-09 18:34:47,391 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) [2025-01-09 18:34:47,391 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 4650 transitions. [2025-01-09 18:34:47,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-01-09 18:34:47,394 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:34:47,394 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] [2025-01-09 18:34:47,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 18:34:47,394 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:34:47,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:34:47,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1503035886, now seen corresponding path program 1 times [2025-01-09 18:34:47,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:34:47,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074609583] [2025-01-09 18:34:47,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:34:47,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:34:47,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-01-09 18:34:47,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-01-09 18:34:47,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:34:47,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:34:47,672 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-09 18:34:47,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:34:47,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074609583] [2025-01-09 18:34:47,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074609583] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:34:47,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:34:47,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 18:34:47,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310694147] [2025-01-09 18:34:47,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:34:47,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 18:34:47,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:34:47,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 18:34:47,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:34:47,675 INFO L87 Difference]: Start difference. First operand 3393 states and 4650 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-09 18:34:47,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:34:47,794 INFO L93 Difference]: Finished difference Result 5734 states and 7816 transitions. [2025-01-09 18:34:47,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 18:34:47,795 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 [2025-01-09 18:34:47,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:34:47,810 INFO L225 Difference]: With dead ends: 5734 [2025-01-09 18:34:47,810 INFO L226 Difference]: Without dead ends: 3429 [2025-01-09 18:34:47,815 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-09 18:34:47,816 INFO L435 NwaCegarLoop]: 793 mSDtfsCounter, 775 mSDsluCounter, 1568 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 2361 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:34:47,816 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [776 Valid, 2361 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:34:47,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3429 states. [2025-01-09 18:34:47,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3429 to 3405. [2025-01-09 18:34:47,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3405 states, 2579 states have (on average 1.3272586273749516) internal successors, (3423), 2601 states have internal predecessors, (3423), 616 states have call successors, (616), 212 states have call predecessors, (616), 209 states have return successors, (617), 601 states have call predecessors, (617), 615 states have call successors, (617) [2025-01-09 18:34:47,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 3405 states and 4656 transitions. [2025-01-09 18:34:47,928 INFO L78 Accepts]: Start accepts. Automaton has 3405 states and 4656 transitions. Word has length 76 [2025-01-09 18:34:47,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:34:47,928 INFO L471 AbstractCegarLoop]: Abstraction has 3405 states and 4656 transitions. [2025-01-09 18:34:47,928 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) [2025-01-09 18:34:47,929 INFO L276 IsEmpty]: Start isEmpty. Operand 3405 states and 4656 transitions. [2025-01-09 18:34:47,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-01-09 18:34:47,930 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:34:47,931 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] [2025-01-09 18:34:47,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 18:34:47,931 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:34:47,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:34:47,931 INFO L85 PathProgramCache]: Analyzing trace with hash -170607422, now seen corresponding path program 1 times [2025-01-09 18:34:47,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:34:47,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042047998] [2025-01-09 18:34:47,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:34:47,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:34:48,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-01-09 18:34:48,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-01-09 18:34:48,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:34:48,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:34:48,194 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-09 18:34:48,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:34:48,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042047998] [2025-01-09 18:34:48,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042047998] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:34:48,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:34:48,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 18:34:48,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987604158] [2025-01-09 18:34:48,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:34:48,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 18:34:48,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:34:48,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 18:34:48,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:34:48,196 INFO L87 Difference]: Start difference. First operand 3405 states and 4656 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-09 18:34:48,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:34:48,345 INFO L93 Difference]: Finished difference Result 7250 states and 9892 transitions. [2025-01-09 18:34:48,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 18:34:48,346 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 [2025-01-09 18:34:48,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:34:48,368 INFO L225 Difference]: With dead ends: 7250 [2025-01-09 18:34:48,368 INFO L226 Difference]: Without dead ends: 4575 [2025-01-09 18:34:48,375 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-09 18:34:48,376 INFO L435 NwaCegarLoop]: 792 mSDtfsCounter, 774 mSDsluCounter, 2338 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 775 SdHoareTripleChecker+Valid, 3130 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:34:48,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [775 Valid, 3130 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:34:48,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4575 states. [2025-01-09 18:34:48,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4575 to 4552. [2025-01-09 18:34:48,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4552 states, 3451 states have (on average 1.326282237032744) internal successors, (4577), 3477 states have internal predecessors, (4577), 818 states have call successors, (818), 285 states have call predecessors, (818), 282 states have return successors, (821), 803 states have call predecessors, (821), 817 states have call successors, (821) [2025-01-09 18:34:48,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4552 states to 4552 states and 6216 transitions. [2025-01-09 18:34:48,561 INFO L78 Accepts]: Start accepts. Automaton has 4552 states and 6216 transitions. Word has length 73 [2025-01-09 18:34:48,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:34:48,562 INFO L471 AbstractCegarLoop]: Abstraction has 4552 states and 6216 transitions. [2025-01-09 18:34:48,562 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) [2025-01-09 18:34:48,562 INFO L276 IsEmpty]: Start isEmpty. Operand 4552 states and 6216 transitions. [2025-01-09 18:34:48,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-01-09 18:34:48,567 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:34:48,568 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] [2025-01-09 18:34:48,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 18:34:48,568 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:34:48,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:34:48,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1585116553, now seen corresponding path program 1 times [2025-01-09 18:34:48,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:34:48,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068841479] [2025-01-09 18:34:48,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:34:48,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:34:48,675 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-09 18:34:48,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-09 18:34:48,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:34:48,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:34:48,793 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-09 18:34:48,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:34:48,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068841479] [2025-01-09 18:34:48,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068841479] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:34:48,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:34:48,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 18:34:48,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874557129] [2025-01-09 18:34:48,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:34:48,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 18:34:48,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:34:48,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 18:34:48,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:34:48,799 INFO L87 Difference]: Start difference. First operand 4552 states and 6216 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-09 18:34:49,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:34:49,080 INFO L93 Difference]: Finished difference Result 9524 states and 12984 transitions. [2025-01-09 18:34:49,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 18:34:49,081 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 [2025-01-09 18:34:49,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:34:49,103 INFO L225 Difference]: With dead ends: 9524 [2025-01-09 18:34:49,104 INFO L226 Difference]: Without dead ends: 5700 [2025-01-09 18:34:49,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-09 18:34:49,115 INFO L435 NwaCegarLoop]: 792 mSDtfsCounter, 775 mSDsluCounter, 2338 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 3130 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:34:49,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [776 Valid, 3130 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:34:49,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5700 states. [2025-01-09 18:34:49,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5700 to 5677. [2025-01-09 18:34:49,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5677 states, 4303 states have (on average 1.324424819893098) internal successors, (5699), 4333 states have internal predecessors, (5699), 1018 states have call successors, (1018), 358 states have call predecessors, (1018), 355 states have return successors, (1023), 1003 states have call predecessors, (1023), 1017 states have call successors, (1023) [2025-01-09 18:34:49,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5677 states to 5677 states and 7740 transitions. [2025-01-09 18:34:49,367 INFO L78 Accepts]: Start accepts. Automaton has 5677 states and 7740 transitions. Word has length 74 [2025-01-09 18:34:49,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:34:49,368 INFO L471 AbstractCegarLoop]: Abstraction has 5677 states and 7740 transitions. [2025-01-09 18:34:49,368 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) [2025-01-09 18:34:49,368 INFO L276 IsEmpty]: Start isEmpty. Operand 5677 states and 7740 transitions. [2025-01-09 18:34:49,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-01-09 18:34:49,370 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:34:49,370 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] [2025-01-09 18:34:49,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 18:34:49,370 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:34:49,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:34:49,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1023289163, now seen corresponding path program 1 times [2025-01-09 18:34:49,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:34:49,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358954376] [2025-01-09 18:34:49,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:34:49,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:34:49,517 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-01-09 18:34:49,531 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-01-09 18:34:49,531 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:34:49,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:34:49,642 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-09 18:34:49,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:34:49,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358954376] [2025-01-09 18:34:49,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358954376] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:34:49,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:34:49,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 18:34:49,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446345231] [2025-01-09 18:34:49,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:34:49,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 18:34:49,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:34:49,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 18:34:49,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:34:49,643 INFO L87 Difference]: Start difference. First operand 5677 states and 7740 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-09 18:34:49,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:34:49,833 INFO L93 Difference]: Finished difference Result 9401 states and 12727 transitions. [2025-01-09 18:34:49,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 18:34:49,833 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 [2025-01-09 18:34:49,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:34:49,852 INFO L225 Difference]: With dead ends: 9401 [2025-01-09 18:34:49,852 INFO L226 Difference]: Without dead ends: 5530 [2025-01-09 18:34:49,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-09 18:34:49,859 INFO L435 NwaCegarLoop]: 793 mSDtfsCounter, 774 mSDsluCounter, 1568 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 775 SdHoareTripleChecker+Valid, 2361 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:34:49,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [775 Valid, 2361 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:34:49,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5530 states. [2025-01-09 18:34:49,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5530 to 5495. [2025-01-09 18:34:49,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5495 states, 4160 states have (on average 1.318028846153846) internal successors, (5483), 4185 states have internal predecessors, (5483), 981 states have call successors, (981), 356 states have call predecessors, (981), 353 states have return successors, (986), 971 states have call predecessors, (986), 980 states have call successors, (986) [2025-01-09 18:34:49,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5495 states to 5495 states and 7450 transitions. [2025-01-09 18:34:50,003 INFO L78 Accepts]: Start accepts. Automaton has 5495 states and 7450 transitions. Word has length 77 [2025-01-09 18:34:50,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:34:50,003 INFO L471 AbstractCegarLoop]: Abstraction has 5495 states and 7450 transitions. [2025-01-09 18:34:50,004 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) [2025-01-09 18:34:50,004 INFO L276 IsEmpty]: Start isEmpty. Operand 5495 states and 7450 transitions. [2025-01-09 18:34:50,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-01-09 18:34:50,006 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:34:50,006 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] [2025-01-09 18:34:50,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 18:34:50,006 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:34:50,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:34:50,007 INFO L85 PathProgramCache]: Analyzing trace with hash 583800404, now seen corresponding path program 1 times [2025-01-09 18:34:50,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:34:50,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215353522] [2025-01-09 18:34:50,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:34:50,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:34:50,109 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-09 18:34:50,121 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-09 18:34:50,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:34:50,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:34:50,178 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-01-09 18:34:50,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:34:50,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215353522] [2025-01-09 18:34:50,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215353522] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:34:50,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:34:50,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:34:50,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399035470] [2025-01-09 18:34:50,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:34:50,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:34:50,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:34:50,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:34:50,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:34:50,179 INFO L87 Difference]: Start difference. First operand 5495 states and 7450 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-09 18:34:50,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:34:50,401 INFO L93 Difference]: Finished difference Result 14464 states and 19538 transitions. [2025-01-09 18:34:50,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:34:50,402 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 [2025-01-09 18:34:50,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:34:50,426 INFO L225 Difference]: With dead ends: 14464 [2025-01-09 18:34:50,426 INFO L226 Difference]: Without dead ends: 8982 [2025-01-09 18:34:50,439 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 [2025-01-09 18:34:50,439 INFO L435 NwaCegarLoop]: 795 mSDtfsCounter, 515 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 1562 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:34:50,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 1562 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:34:50,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8982 states. [2025-01-09 18:34:50,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8982 to 8979. [2025-01-09 18:34:50,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8979 states, 6809 states have (on average 1.3219268615068291) internal successors, (9001), 6841 states have internal predecessors, (9001), 1544 states have call successors, (1544), 628 states have call predecessors, (1544), 625 states have return successors, (1549), 1527 states have call predecessors, (1549), 1543 states have call successors, (1549) [2025-01-09 18:34:50,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8979 states to 8979 states and 12094 transitions. [2025-01-09 18:34:50,707 INFO L78 Accepts]: Start accepts. Automaton has 8979 states and 12094 transitions. Word has length 80 [2025-01-09 18:34:50,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:34:50,707 INFO L471 AbstractCegarLoop]: Abstraction has 8979 states and 12094 transitions. [2025-01-09 18:34:50,708 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) [2025-01-09 18:34:50,708 INFO L276 IsEmpty]: Start isEmpty. Operand 8979 states and 12094 transitions. [2025-01-09 18:34:50,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-01-09 18:34:50,710 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:34:50,711 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:34:50,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-09 18:34:50,711 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:34:50,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:34:50,711 INFO L85 PathProgramCache]: Analyzing trace with hash -672599536, now seen corresponding path program 1 times [2025-01-09 18:34:50,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:34:50,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584948386] [2025-01-09 18:34:50,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:34:50,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:34:50,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-09 18:34:50,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-09 18:34:50,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:34:50,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:34:51,048 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-09 18:34:51,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:34:51,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584948386] [2025-01-09 18:34:51,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584948386] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:34:51,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573601415] [2025-01-09 18:34:51,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:34:51,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:34:51,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:34:51,052 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:34:51,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 18:34:51,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-09 18:34:51,596 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-09 18:34:51,597 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:34:51,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:34:51,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 1441 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 18:34:51,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:34:51,622 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-09 18:34:51,622 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:34:51,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573601415] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:34:51,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:34:51,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2025-01-09 18:34:51,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758458073] [2025-01-09 18:34:51,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:34:51,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:34:51,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:34:51,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:34:51,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-01-09 18:34:51,623 INFO L87 Difference]: Start difference. First operand 8979 states and 12094 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-09 18:34:51,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:34:51,867 INFO L93 Difference]: Finished difference Result 17376 states and 23525 transitions. [2025-01-09 18:34:51,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:34:51,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 84 [2025-01-09 18:34:51,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:34:51,898 INFO L225 Difference]: With dead ends: 17376 [2025-01-09 18:34:51,898 INFO L226 Difference]: Without dead ends: 8997 [2025-01-09 18:34:51,919 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-01-09 18:34:51,919 INFO L435 NwaCegarLoop]: 793 mSDtfsCounter, 0 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1582 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:34:51,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1582 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:34:51,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8997 states. [2025-01-09 18:34:52,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8997 to 8997. [2025-01-09 18:34:52,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8997 states, 6827 states have (on average 1.3210780723597482) internal successors, (9019), 6859 states have internal predecessors, (9019), 1544 states have call successors, (1544), 628 states have call predecessors, (1544), 625 states have return successors, (1549), 1527 states have call predecessors, (1549), 1543 states have call successors, (1549) [2025-01-09 18:34:52,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8997 states to 8997 states and 12112 transitions. [2025-01-09 18:34:52,363 INFO L78 Accepts]: Start accepts. Automaton has 8997 states and 12112 transitions. Word has length 84 [2025-01-09 18:34:52,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:34:52,363 INFO L471 AbstractCegarLoop]: Abstraction has 8997 states and 12112 transitions. [2025-01-09 18:34:52,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-09 18:34:52,364 INFO L276 IsEmpty]: Start isEmpty. Operand 8997 states and 12112 transitions. [2025-01-09 18:34:52,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-01-09 18:34:52,367 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:34:52,367 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:34:52,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 18:34:52,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-01-09 18:34:52,572 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:34:52,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:34:52,573 INFO L85 PathProgramCache]: Analyzing trace with hash -532050926, now seen corresponding path program 1 times [2025-01-09 18:34:52,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:34:52,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069755415] [2025-01-09 18:34:52,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:34:52,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:34:52,725 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-09 18:34:52,752 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-09 18:34:52,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:34:52,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:34:52,975 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-09 18:34:52,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:34:52,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069755415] [2025-01-09 18:34:52,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069755415] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:34:52,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35095675] [2025-01-09 18:34:52,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:34:52,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:34:52,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:34:52,979 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:34:52,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 18:34:53,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-09 18:34:53,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-09 18:34:53,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:34:53,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:34:53,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 1448 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 18:34:53,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:34:53,530 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-09 18:34:53,530 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:34:53,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35095675] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:34:53,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:34:53,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2025-01-09 18:34:53,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074528195] [2025-01-09 18:34:53,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:34:53,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:34:53,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:34:53,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:34:53,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-01-09 18:34:53,531 INFO L87 Difference]: Start difference. First operand 8997 states and 12112 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2025-01-09 18:34:53,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:34:53,722 INFO L93 Difference]: Finished difference Result 9019 states and 12152 transitions. [2025-01-09 18:34:53,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:34:53,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 84 [2025-01-09 18:34:53,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:34:53,744 INFO L225 Difference]: With dead ends: 9019 [2025-01-09 18:34:53,744 INFO L226 Difference]: Without dead ends: 9016 [2025-01-09 18:34:53,746 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-01-09 18:34:53,746 INFO L435 NwaCegarLoop]: 793 mSDtfsCounter, 0 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1581 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:34:53,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1581 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:34:53,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9016 states. [2025-01-09 18:34:53,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9016 to 9016. [2025-01-09 18:34:53,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9016 states, 6846 states have (on average 1.320186970493719) internal successors, (9038), 6878 states have internal predecessors, (9038), 1544 states have call successors, (1544), 628 states have call predecessors, (1544), 625 states have return successors, (1549), 1527 states have call predecessors, (1549), 1543 states have call successors, (1549) [2025-01-09 18:34:53,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9016 states to 9016 states and 12131 transitions. [2025-01-09 18:34:53,981 INFO L78 Accepts]: Start accepts. Automaton has 9016 states and 12131 transitions. Word has length 84 [2025-01-09 18:34:53,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:34:53,981 INFO L471 AbstractCegarLoop]: Abstraction has 9016 states and 12131 transitions. [2025-01-09 18:34:53,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2025-01-09 18:34:53,981 INFO L276 IsEmpty]: Start isEmpty. Operand 9016 states and 12131 transitions. [2025-01-09 18:34:53,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-01-09 18:34:53,984 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:34:53,984 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:34:53,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 18:34:54,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:34:54,185 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:34:54,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:34:54,186 INFO L85 PathProgramCache]: Analyzing trace with hash -186134394, now seen corresponding path program 1 times [2025-01-09 18:34:54,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:34:54,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210067511] [2025-01-09 18:34:54,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:34:54,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:34:54,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-09 18:34:54,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-09 18:34:54,294 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:34:54,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:34:54,462 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-09 18:34:54,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:34:54,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210067511] [2025-01-09 18:34:54,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210067511] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:34:54,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066192019] [2025-01-09 18:34:54,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:34:54,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:34:54,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:34:54,467 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:34:54,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 18:34:54,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-09 18:34:55,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-09 18:34:55,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:34:55,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:34:55,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 1453 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-09 18:34:55,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:34:55,156 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-09 18:34:55,157 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:34:55,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066192019] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:34:55,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:34:55,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2025-01-09 18:34:55,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669138710] [2025-01-09 18:34:55,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:34:55,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 18:34:55,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:34:55,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 18:34:55,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-01-09 18:34:55,158 INFO L87 Difference]: Start difference. First operand 9016 states and 12131 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2025-01-09 18:34:55,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:34:55,423 INFO L93 Difference]: Finished difference Result 17914 states and 24205 transitions. [2025-01-09 18:34:55,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 18:34:55,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 86 [2025-01-09 18:34:55,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:34:55,430 INFO L225 Difference]: With dead ends: 17914 [2025-01-09 18:34:55,431 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 18:34:55,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-01-09 18:34:55,456 INFO L435 NwaCegarLoop]: 781 mSDtfsCounter, 725 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 1562 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:34:55,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [725 Valid, 1562 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:34:55,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 18:34:55,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 18:34:55,456 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) [2025-01-09 18:34:55,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 18:34:55,462 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2025-01-09 18:34:55,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:34:55,462 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 18:34:55,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2025-01-09 18:34:55,463 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 18:34:55,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 18:34:55,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 18:34:55,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-09 18:34:55,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:34:55,669 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:34:55,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 18:35:20,385 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 18:35:20,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 06:35:20 BoogieIcfgContainer [2025-01-09 18:35:20,395 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 18:35:20,395 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 18:35:20,395 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 18:35:20,395 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 18:35:20,396 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:34:44" (3/4) ... [2025-01-09 18:35:20,403 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 18:35:20,408 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure print_hex_dump [2025-01-09 18:35:20,408 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2025-01-09 18:35:20,408 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure usleep_range [2025-01-09 18:35:20,408 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure devm_gpio_request [2025-01-09 18:35:20,408 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure msleep [2025-01-09 18:35:20,408 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure st21nfca_hci_i2c_disable [2025-01-09 18:35:20,408 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2025-01-09 18:35:20,408 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_put [2025-01-09 18:35:20,408 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure i2c_master_send [2025-01-09 18:35:20,408 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2025-01-09 18:35:20,408 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure i2c_master_recv [2025-01-09 18:35:20,408 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-01-09 18:35:20,408 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure devm_request_threaded_irq [2025-01-09 18:35:20,408 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure __dynamic_dev_dbg [2025-01-09 18:35:20,408 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_irq_1 [2025-01-09 18:35:20,408 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_pull [2025-01-09 18:35:20,409 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure alloc_skb [2025-01-09 18:35:20,409 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_irq_2 [2025-01-09 18:35:20,409 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-01-09 18:35:20,409 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure crc_ccitt [2025-01-09 18:35:20,409 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2025-01-09 18:35:20,409 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock_nested [2025-01-09 18:35:20,409 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure gpio_set_value [2025-01-09 18:35:20,409 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_push [2025-01-09 18:35:20,409 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure i2c_get_clientdata [2025-01-09 18:35:20,409 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure reg_check_1 [2025-01-09 18:35:20,409 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure activate_suitable_irq_1 [2025-01-09 18:35:20,409 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure st21nfca_hci_irq_thread_fn [2025-01-09 18:35:20,409 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-01-09 18:35:20,409 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure gpio_to_desc [2025-01-09 18:35:20,409 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-01-09 18:35:20,409 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure nfc_hci_recv_frame [2025-01-09 18:35:20,409 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2025-01-09 18:35:20,409 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_trim [2025-01-09 18:35:20,409 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2025-01-09 18:35:20,436 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 249 nodes and edges [2025-01-09 18:35:20,439 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 92 nodes and edges [2025-01-09 18:35:20,441 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2025-01-09 18:35:20,443 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-01-09 18:35:20,445 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-01-09 18:35:20,448 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-09 18:35:20,450 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 18:35:20,452 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 18:35:20,620 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 18:35:20,620 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 18:35:20,620 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 18:35:20,621 INFO L158 Benchmark]: Toolchain (without parser) took 42363.30ms. Allocated memory was 142.6MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 101.0MB in the beginning and 804.9MB in the end (delta: -703.9MB). Peak memory consumption was 957.6MB. Max. memory is 16.1GB. [2025-01-09 18:35:20,621 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 201.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 18:35:20,622 INFO L158 Benchmark]: CACSL2BoogieTranslator took 934.65ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 80.1MB in the end (delta: 21.0MB). Peak memory consumption was 83.8MB. Max. memory is 16.1GB. [2025-01-09 18:35:20,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.02ms. Allocated memory is still 142.6MB. Free memory was 80.1MB in the beginning and 68.2MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 18:35:20,622 INFO L158 Benchmark]: Boogie Preprocessor took 298.18ms. Allocated memory is still 142.6MB. Free memory was 68.2MB in the beginning and 79.8MB in the end (delta: -11.5MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2025-01-09 18:35:20,622 INFO L158 Benchmark]: RCFGBuilder took 4788.77ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 79.8MB in the beginning and 178.4MB in the end (delta: -98.7MB). Peak memory consumption was 84.9MB. Max. memory is 16.1GB. [2025-01-09 18:35:20,622 INFO L158 Benchmark]: TraceAbstraction took 36004.33ms. Allocated memory was 327.2MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 177.8MB in the beginning and 833.8MB in the end (delta: -656.1MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2025-01-09 18:35:20,622 INFO L158 Benchmark]: Witness Printer took 225.41ms. Allocated memory is still 1.8GB. Free memory was 833.8MB in the beginning and 804.9MB in the end (delta: 28.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 18:35:20,624 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 201.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 934.65ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 80.1MB in the end (delta: 21.0MB). Peak memory consumption was 83.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.02ms. Allocated memory is still 142.6MB. Free memory was 80.1MB in the beginning and 68.2MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 298.18ms. Allocated memory is still 142.6MB. Free memory was 68.2MB in the beginning and 79.8MB in the end (delta: -11.5MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * RCFGBuilder took 4788.77ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 79.8MB in the beginning and 178.4MB in the end (delta: -98.7MB). Peak memory consumption was 84.9MB. Max. memory is 16.1GB. * TraceAbstraction took 36004.33ms. Allocated memory was 327.2MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 177.8MB in the beginning and 833.8MB in the end (delta: -656.1MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 225.41ms. Allocated memory is still 1.8GB. Free memory was 833.8MB in the beginning and 804.9MB in the end (delta: 28.9MB). 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, 596 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.2s, OverallIterations: 12, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7469 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7461 mSDsluCounter, 29133 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19604 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 263 IncrementalHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 9529 mSDtfsCounter, 263 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 346 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9016occurred in iteration=11, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 177 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1180 NumberOfCodeBlocks, 1180 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1165 ConstructedInterpolants, 0 QuantifiedInterpolants, 1895 SizeOfPredicates, 1 NumberOfNonLiveVariables, 4342 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 648/651 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3432]: Location Invariant Derived location invariant: ((((ldv_spin == 0) && (ldv_irq_2_2 == 0)) && (ldv_irq_2_3 == 0)) && (ldv_irq_2_1 == 0)) - InvariantResult [Line: 3256]: Location Invariant Derived location invariant: ((((ldv_spin == 0) && (ldv_irq_2_2 == 0)) && (ldv_irq_2_3 == 0)) && (ldv_irq_2_1 == 0)) RESULT: Ultimate proved your program to be correct! [2025-01-09 18:35:20,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE