./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 e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/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/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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-?-e2fb8be-m [2025-03-08 19:16:37,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 19:16:37,379 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 19:16:37,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 19:16:37,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 19:16:37,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 19:16:37,410 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 19:16:37,410 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 19:16:37,410 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 19:16:37,410 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 19:16:37,411 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 19:16:37,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 19:16:37,411 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 19:16:37,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 19:16:37,412 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 19:16:37,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 19:16:37,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 19:16:37,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 19:16:37,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 19:16:37,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 19:16:37,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 19:16:37,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 19:16:37,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 19:16:37,412 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 19:16:37,412 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 19:16:37,412 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 19:16:37,412 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 19:16:37,413 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 19:16:37,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 19:16:37,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:16:37,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 19:16:37,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 19:16:37,413 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 19:16:37,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 19:16:37,413 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 19:16:37,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 19:16:37,413 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 19:16:37,413 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 19:16:37,413 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 19:16:37,413 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 19:16:37,414 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/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 [2025-03-08 19:16:37,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 19:16:37,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 19:16:37,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 19:16:37,653 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 19:16:37,654 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 19:16:37,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2025-03-08 19:16:38,795 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76ee70035/027e735a889e4739ba7ebd813c6bd0be/FLAG76812089d [2025-03-08 19:16:39,216 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 19:16:39,217 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2025-03-08 19:16:39,242 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76ee70035/027e735a889e4739ba7ebd813c6bd0be/FLAG76812089d [2025-03-08 19:16:39,362 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76ee70035/027e735a889e4739ba7ebd813c6bd0be [2025-03-08 19:16:39,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 19:16:39,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 19:16:39,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 19:16:39,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 19:16:39,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 19:16:39,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:16:39" (1/1) ... [2025-03-08 19:16:39,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@223ce780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:16:39, skipping insertion in model container [2025-03-08 19:16:39,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:16:39" (1/1) ... [2025-03-08 19:16:39,415 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 19:16:39,626 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715] [2025-03-08 19:16:39,627 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] [2025-03-08 19:16:39,681 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2025-03-08 19:16:39,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:16:39,971 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 19:16:40,027 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715] [2025-03-08 19:16:40,028 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] [2025-03-08 19:16:40,033 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2025-03-08 19:16:40,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:16:40,179 INFO L204 MainTranslator]: Completed translation [2025-03-08 19:16:40,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:16:40 WrapperNode [2025-03-08 19:16:40,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 19:16:40,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 19:16:40,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 19:16:40,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 19:16:40,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:16:40" (1/1) ... [2025-03-08 19:16:40,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:16:40" (1/1) ... [2025-03-08 19:16:40,273 INFO L138 Inliner]: procedures = 143, calls = 706, calls flagged for inlining = 57, calls inlined = 53, statements flattened = 2075 [2025-03-08 19:16:40,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 19:16:40,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 19:16:40,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 19:16:40,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 19:16:40,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:16:40" (1/1) ... [2025-03-08 19:16:40,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:16:40" (1/1) ... [2025-03-08 19:16:40,296 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:16:40" (1/1) ... [2025-03-08 19:16:40,429 INFO L175 MemorySlicer]: Split 358 memory accesses to 19 slices as follows [9, 2, 3, 31, 5, 28, 12, 10, 13, 7, 143, 6, 8, 4, 12, 13, 5, 42, 5]. 40 percent of accesses are in the largest equivalence class. The 118 initializations are split as follows [6, 2, 3, 0, 5, 0, 0, 0, 13, 0, 0, 6, 8, 4, 12, 13, 0, 42, 4]. The 117 writes are split as follows [0, 0, 0, 31, 0, 24, 0, 10, 0, 6, 43, 0, 0, 0, 0, 0, 3, 0, 0]. [2025-03-08 19:16:40,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:16:40" (1/1) ... [2025-03-08 19:16:40,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:16:40" (1/1) ... [2025-03-08 19:16:40,490 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:16:40" (1/1) ... [2025-03-08 19:16:40,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:16:40" (1/1) ... [2025-03-08 19:16:40,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:16:40" (1/1) ... [2025-03-08 19:16:40,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:16:40" (1/1) ... [2025-03-08 19:16:40,533 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 19:16:40,535 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 19:16:40,535 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 19:16:40,535 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 19:16:40,536 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:16:40" (1/1) ... [2025-03-08 19:16:40,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:16:40,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:16:40,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 19:16:40,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 19:16:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 19:16:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 19:16:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 19:16:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 19:16:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 19:16:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 19:16:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 19:16:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 19:16:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 19:16:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 19:16:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 19:16:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 19:16:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 19:16:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 19:16:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-08 19:16:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-08 19:16:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-08 19:16:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-08 19:16:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-08 19:16:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2025-03-08 19:16:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2025-03-08 19:16:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2025-03-08 19:16:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2025-03-08 19:16:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 19:16:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 19:16:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 19:16:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 19:16:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 19:16:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 19:16:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-08 19:16:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-08 19:16:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-08 19:16:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-08 19:16:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-08 19:16:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-08 19:16:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-08 19:16:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-08 19:16:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-03-08 19:16:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-03-08 19:16:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2025-03-08 19:16:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2025-03-08 19:16:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2025-03-08 19:16:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2025-03-08 19:16:40,588 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2025-03-08 19:16:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 19:16:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 19:16:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 19:16:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 19:16:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 19:16:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 19:16:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 19:16:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 19:16:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 19:16:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 19:16:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 19:16:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 19:16:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-08 19:16:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-08 19:16:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-08 19:16:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-08 19:16:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-08 19:16:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-08 19:16:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-08 19:16:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-08 19:16:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-08 19:16:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 19:16:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 19:16:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 19:16:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 19:16:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 19:16:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 19:16:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 19:16:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 19:16:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 19:16:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 19:16:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 19:16:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 19:16:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 19:16:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 19:16:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-08 19:16:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-08 19:16:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-08 19:16:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-08 19:16:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-08 19:16:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2025-03-08 19:16:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2025-03-08 19:16:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2025-03-08 19:16:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2025-03-08 19:16:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2025-03-08 19:16:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2025-03-08 19:16:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 19:16:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 19:16:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2025-03-08 19:16:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2025-03-08 19:16:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-03-08 19:16:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-03-08 19:16:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2025-03-08 19:16:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2025-03-08 19:16:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2025-03-08 19:16:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2025-03-08 19:16:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure devm_gpio_request [2025-03-08 19:16:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_gpio_request [2025-03-08 19:16:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 19:16:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 19:16:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 19:16:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 19:16:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 19:16:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 19:16:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 19:16:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 19:16:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 19:16:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 19:16:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 19:16:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 19:16:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 19:16:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 19:16:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-08 19:16:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-08 19:16:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-08 19:16:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-08 19:16:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-08 19:16:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-03-08 19:16:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-03-08 19:16:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-08 19:16:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-08 19:16:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2025-03-08 19:16:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2025-03-08 19:16:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2025-03-08 19:16:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2025-03-08 19:16:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-08 19:16:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-08 19:16:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2025-03-08 19:16:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2025-03-08 19:16:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2025-03-08 19:16:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2025-03-08 19:16:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_irq_thread_fn [2025-03-08 19:16:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_irq_thread_fn [2025-03-08 19:16:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 19:16:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 19:16:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2025-03-08 19:16:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2025-03-08 19:16:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_hci_recv_frame [2025-03-08 19:16:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_hci_recv_frame [2025-03-08 19:16:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 19:16:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 19:16:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 19:16:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 19:16:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 19:16:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 19:16:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 19:16:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 19:16:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2025-03-08 19:16:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2025-03-08 19:16:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2025-03-08 19:16:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt [2025-03-08 19:16:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-08 19:16:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-08 19:16:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-08 19:16:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-08 19:16:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-08 19:16:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-08 19:16:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 19:16:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 19:16:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 19:16:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 19:16:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 19:16:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 19:16:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 19:16:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 19:16:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 19:16:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 19:16:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 19:16:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 19:16:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-08 19:16:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-08 19:16:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-08 19:16:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-08 19:16:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-08 19:16:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-08 19:16:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-08 19:16:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-08 19:16:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_disable [2025-03-08 19:16:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_disable [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-03-08 19:16:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2025-03-08 19:16:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2025-03-08 19:16:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2025-03-08 19:16:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 19:16:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 19:16:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-08 19:16:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-08 19:16:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-08 19:16:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-08 19:16:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-08 19:16:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-08 19:16:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-08 19:16:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-08 19:16:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-03-08 19:16:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-03-08 19:16:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2025-03-08 19:16:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2025-03-08 19:16:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2025-03-08 19:16:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-03-08 19:16:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-03-08 19:16:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 19:16:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 19:16:40,962 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 19:16:40,966 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 19:16:41,028 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-08 19:16:41,033 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4575: havoc #t~ret404.base, #t~ret404.offset; [2025-03-08 19:16:41,062 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4480: havoc #t~nondet385; [2025-03-08 19:16:41,454 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3424: call ULTIMATE.dealloc(st21nfca_hci_i2c_read_~#buf~0#1.base, st21nfca_hci_i2c_read_~#buf~0#1.offset);havoc st21nfca_hci_i2c_read_~#buf~0#1.base, st21nfca_hci_i2c_read_~#buf~0#1.offset; [2025-03-08 19:16:41,455 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3493: call ULTIMATE.dealloc(~#descriptor~1#1.base, ~#descriptor~1#1.offset);havoc ~#descriptor~1#1.base, ~#descriptor~1#1.offset; [2025-03-08 19:16:41,455 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3412: havoc st21nfca_hci_i2c_repack_#t~mem202#1; [2025-03-08 19:16:41,462 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4559: havoc #t~nondet399; [2025-03-08 19:16:41,466 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4476: havoc #t~nondet384; [2025-03-08 19:16:41,484 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4487: havoc #t~nondet387; [2025-03-08 19:16:41,490 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2957: havoc dev_get_drvdata_#t~mem39#1.base, dev_get_drvdata_#t~mem39#1.offset; [2025-03-08 19:16:41,516 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4451: havoc #t~nondet378; [2025-03-08 19:16:41,520 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4572: havoc #t~ret403.base, #t~ret403.offset; [2025-03-08 19:16:41,526 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4490: havoc #t~ret388.base, #t~ret388.offset; [2025-03-08 19:16:41,530 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4513: havoc #t~nondet393; [2025-03-08 19:16:41,552 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4530: havoc ldv_handler1_1_#t~nondet396#1; [2025-03-08 19:16:41,576 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4534: havoc ldv_handler1_2_#t~nondet397#1; [2025-03-08 19:16:41,580 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4472: havoc #t~nondet383; [2025-03-08 19:16:41,593 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4509: havoc #t~nondet392; [2025-03-08 19:16:46,125 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3274: havoc st21nfca_hci_i2c_write_#t~mem146#1; [2025-03-08 19:16:46,125 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4498: havoc gpiod_direction_output_raw_#t~nondet390#1; [2025-03-08 19:16:46,125 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4502: havoc gpiod_to_irq_#t~nondet391#1; [2025-03-08 19:16:46,125 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3251: call ULTIMATE.dealloc(st21nfca_hci_i2c_write_~#tmp~15#1.base, st21nfca_hci_i2c_write_~#tmp~15#1.offset);havoc st21nfca_hci_i2c_write_~#tmp~15#1.base, st21nfca_hci_i2c_write_~#tmp~15#1.offset;call ULTIMATE.dealloc(st21nfca_hci_i2c_write_~#descriptor~0#1.base, st21nfca_hci_i2c_write_~#descriptor~0#1.offset);havoc st21nfca_hci_i2c_write_~#descriptor~0#1.base, st21nfca_hci_i2c_write_~#descriptor~0#1.offset; [2025-03-08 19:16:46,126 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3120: call ULTIMATE.dealloc(st21nfca_hci_platform_init_~#wait_reboot~0#1.base, st21nfca_hci_platform_init_~#wait_reboot~0#1.offset);havoc st21nfca_hci_platform_init_~#wait_reboot~0#1.base, st21nfca_hci_platform_init_~#wait_reboot~0#1.offset;call ULTIMATE.dealloc(st21nfca_hci_platform_init_~#reboot_cmd~0#1.base, st21nfca_hci_platform_init_~#reboot_cmd~0#1.offset);havoc st21nfca_hci_platform_init_~#reboot_cmd~0#1.base, st21nfca_hci_platform_init_~#reboot_cmd~0#1.offset;call ULTIMATE.dealloc(st21nfca_hci_platform_init_~#tmp~13#1.base, st21nfca_hci_platform_init_~#tmp~13#1.offset);havoc st21nfca_hci_platform_init_~#tmp~13#1.base, st21nfca_hci_platform_init_~#tmp~13#1.offset; [2025-03-08 19:16:46,126 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4483: havoc devm_kmalloc_#t~ret386#1.base, devm_kmalloc_#t~ret386#1.offset; [2025-03-08 19:16:46,126 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4517: havoc i2c_register_driver_#t~nondet394#1; [2025-03-08 19:16:46,126 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3000: havoc i2c_check_functionality_#t~bitwise59#1; [2025-03-08 19:16:46,126 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4587: havoc st21nfca_hci_probe_#t~nondet408#1; [2025-03-08 19:16:46,126 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4455: havoc __dynamic_pr_debug_#t~nondet379#1; [2025-03-08 19:16:46,126 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3633: call ULTIMATE.dealloc(st21nfca_hci_i2c_probe_~#descriptor~2#1.base, st21nfca_hci_i2c_probe_~#descriptor~2#1.offset);havoc st21nfca_hci_i2c_probe_~#descriptor~2#1.base, st21nfca_hci_i2c_probe_~#descriptor~2#1.offset;call ULTIMATE.dealloc(st21nfca_hci_i2c_probe_~#descriptor___0~0#1.base, st21nfca_hci_i2c_probe_~#descriptor___0~0#1.offset);havoc st21nfca_hci_i2c_probe_~#descriptor___0~0#1.base, st21nfca_hci_i2c_probe_~#descriptor___0~0#1.offset;call ULTIMATE.dealloc(st21nfca_hci_i2c_probe_~#__key~0#1.base, st21nfca_hci_i2c_probe_~#__key~0#1.offset);havoc st21nfca_hci_i2c_probe_~#__key~0#1.base, st21nfca_hci_i2c_probe_~#__key~0#1.offset; [2025-03-08 19:16:46,126 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3733: call ULTIMATE.dealloc(st21nfca_hci_i2c_remove_~#descriptor~3#1.base, st21nfca_hci_i2c_remove_~#descriptor~3#1.offset);havoc st21nfca_hci_i2c_remove_~#descriptor~3#1.base, st21nfca_hci_i2c_remove_~#descriptor~3#1.offset; [2025-03-08 19:16:46,126 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4494: havoc gpiod_direction_input_#t~nondet389#1; [2025-03-08 19:16:46,344 INFO L? ?]: Removed 764 outVars from TransFormulas that were not future-live. [2025-03-08 19:16:46,344 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 19:16:46,377 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 19:16:46,380 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 19:16:46,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:16:46 BoogieIcfgContainer [2025-03-08 19:16:46,380 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 19:16:46,382 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 19:16:46,382 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 19:16:46,386 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 19:16:46,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 07:16:39" (1/3) ... [2025-03-08 19:16:46,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e2fbc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:16:46, skipping insertion in model container [2025-03-08 19:16:46,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:16:40" (2/3) ... [2025-03-08 19:16:46,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e2fbc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:16:46, skipping insertion in model container [2025-03-08 19:16:46,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:16:46" (3/3) ... [2025-03-08 19:16:46,388 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 [2025-03-08 19:16:46,399 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 19:16:46,402 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i that has 36 procedures, 598 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-08 19:16:46,457 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 19:16:46,467 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;@4e1698ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 19:16:46,468 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 19:16:46,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 597 states, 444 states have (on average 1.3581081081081081) internal successors, (603), 456 states have internal predecessors, (603), 117 states have call successors, (117), 35 states have call predecessors, (117), 34 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2025-03-08 19:16:46,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-08 19:16:46,489 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:16:46,490 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] [2025-03-08 19:16:46,490 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:16:46,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:16:46,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1387269210, now seen corresponding path program 1 times [2025-03-08 19:16:46,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:16:46,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921986533] [2025-03-08 19:16:46,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:16:46,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:16:46,743 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-08 19:16:46,865 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-08 19:16:46,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:16:46,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:16:47,235 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-08 19:16:47,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:16:47,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921986533] [2025-03-08 19:16:47,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921986533] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:16:47,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:16:47,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 19:16:47,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079256793] [2025-03-08 19:16:47,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:16:47,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 19:16:47,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:16:47,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 19:16:47,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:16:47,265 INFO L87 Difference]: Start difference. First operand has 597 states, 444 states have (on average 1.3581081081081081) internal successors, (603), 456 states have internal predecessors, (603), 117 states have call successors, (117), 35 states have call predecessors, (117), 34 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-08 19:16:47,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:16:47,510 INFO L93 Difference]: Finished difference Result 1773 states and 2529 transitions. [2025-03-08 19:16:47,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 19:16:47,512 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 [2025-03-08 19:16:47,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:16:47,526 INFO L225 Difference]: With dead ends: 1773 [2025-03-08 19:16:47,526 INFO L226 Difference]: Without dead ends: 1147 [2025-03-08 19:16:47,531 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 [2025-03-08 19:16:47,533 INFO L435 NwaCegarLoop]: 813 mSDtfsCounter, 798 mSDsluCounter, 2402 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 3215 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:16:47,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 3215 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:16:47,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2025-03-08 19:16:47,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 1138. [2025-03-08 19:16:47,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1138 states, 859 states have (on average 1.3282887077997672) internal successors, (1141), 866 states have internal predecessors, (1141), 212 states have call successors, (212), 68 states have call predecessors, (212), 66 states have return successors, (211), 206 states have call predecessors, (211), 211 states have call successors, (211) [2025-03-08 19:16:47,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1564 transitions. [2025-03-08 19:16:47,630 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1564 transitions. Word has length 71 [2025-03-08 19:16:47,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:16:47,630 INFO L471 AbstractCegarLoop]: Abstraction has 1138 states and 1564 transitions. [2025-03-08 19:16:47,631 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) [2025-03-08 19:16:47,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1564 transitions. [2025-03-08 19:16:47,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-03-08 19:16:47,639 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:16:47,640 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] [2025-03-08 19:16:47,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 19:16:47,640 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:16:47,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:16:47,641 INFO L85 PathProgramCache]: Analyzing trace with hash 843030603, now seen corresponding path program 1 times [2025-03-08 19:16:47,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:16:47,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449988764] [2025-03-08 19:16:47,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:16:47,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:16:47,792 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-08 19:16:47,817 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-08 19:16:47,818 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:16:47,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:16:48,023 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-08 19:16:48,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:16:48,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449988764] [2025-03-08 19:16:48,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449988764] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:16:48,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:16:48,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 19:16:48,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692177841] [2025-03-08 19:16:48,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:16:48,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 19:16:48,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:16:48,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 19:16:48,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:16:48,025 INFO L87 Difference]: Start difference. First operand 1138 states and 1564 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) [2025-03-08 19:16:48,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:16:48,196 INFO L93 Difference]: Finished difference Result 2484 states and 3400 transitions. [2025-03-08 19:16:48,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 19:16:48,197 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 [2025-03-08 19:16:48,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:16:48,208 INFO L225 Difference]: With dead ends: 2484 [2025-03-08 19:16:48,210 INFO L226 Difference]: Without dead ends: 1715 [2025-03-08 19:16:48,212 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 [2025-03-08 19:16:48,213 INFO L435 NwaCegarLoop]: 790 mSDtfsCounter, 775 mSDsluCounter, 2330 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 3120 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:16:48,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [776 Valid, 3120 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:16:48,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2025-03-08 19:16:48,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1703. [2025-03-08 19:16:48,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1703 states, 1288 states have (on average 1.3276397515527951) internal successors, (1710), 1296 states have internal predecessors, (1710), 314 states have call successors, (314), 102 states have call predecessors, (314), 100 states have return successors, (314), 309 states have call predecessors, (314), 313 states have call successors, (314) [2025-03-08 19:16:48,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2338 transitions. [2025-03-08 19:16:48,277 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2338 transitions. Word has length 72 [2025-03-08 19:16:48,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:16:48,278 INFO L471 AbstractCegarLoop]: Abstraction has 1703 states and 2338 transitions. [2025-03-08 19:16:48,278 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) [2025-03-08 19:16:48,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2338 transitions. [2025-03-08 19:16:48,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-08 19:16:48,280 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:16:48,281 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] [2025-03-08 19:16:48,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 19:16:48,281 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:16:48,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:16:48,281 INFO L85 PathProgramCache]: Analyzing trace with hash 391396829, now seen corresponding path program 1 times [2025-03-08 19:16:48,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:16:48,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235803540] [2025-03-08 19:16:48,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:16:48,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:16:48,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-08 19:16:48,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-08 19:16:48,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:16:48,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:16:48,577 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-08 19:16:48,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:16:48,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235803540] [2025-03-08 19:16:48,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235803540] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:16:48,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:16:48,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 19:16:48,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750144293] [2025-03-08 19:16:48,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:16:48,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 19:16:48,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:16:48,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 19:16:48,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:16:48,578 INFO L87 Difference]: Start difference. First operand 1703 states and 2338 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) [2025-03-08 19:16:48,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:16:48,743 INFO L93 Difference]: Finished difference Result 3622 states and 4959 transitions. [2025-03-08 19:16:48,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 19:16:48,743 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 [2025-03-08 19:16:48,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:16:48,756 INFO L225 Difference]: With dead ends: 3622 [2025-03-08 19:16:48,757 INFO L226 Difference]: Without dead ends: 2287 [2025-03-08 19:16:48,761 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 [2025-03-08 19:16:48,762 INFO L435 NwaCegarLoop]: 788 mSDtfsCounter, 776 mSDsluCounter, 2326 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 3114 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:16:48,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [777 Valid, 3114 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:16:48,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2287 states. [2025-03-08 19:16:48,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2287 to 2274. [2025-03-08 19:16:48,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2274 states, 1722 states have (on average 1.326945412311266) internal successors, (2285), 1731 states have internal predecessors, (2285), 416 states have call successors, (416), 137 states have call predecessors, (416), 135 states have return successors, (417), 412 states have call predecessors, (417), 415 states have call successors, (417) [2025-03-08 19:16:48,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2274 states to 2274 states and 3118 transitions. [2025-03-08 19:16:48,884 INFO L78 Accepts]: Start accepts. Automaton has 2274 states and 3118 transitions. Word has length 73 [2025-03-08 19:16:48,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:16:48,884 INFO L471 AbstractCegarLoop]: Abstraction has 2274 states and 3118 transitions. [2025-03-08 19:16:48,884 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) [2025-03-08 19:16:48,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 3118 transitions. [2025-03-08 19:16:48,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-08 19:16:48,886 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:16:48,886 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] [2025-03-08 19:16:48,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 19:16:48,887 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:16:48,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:16:48,887 INFO L85 PathProgramCache]: Analyzing trace with hash -511884257, now seen corresponding path program 1 times [2025-03-08 19:16:48,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:16:48,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324776902] [2025-03-08 19:16:48,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:16:48,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:16:48,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-08 19:16:49,004 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-08 19:16:49,005 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:16:49,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:16:49,139 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-08 19:16:49,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:16:49,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324776902] [2025-03-08 19:16:49,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324776902] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:16:49,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:16:49,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 19:16:49,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582235915] [2025-03-08 19:16:49,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:16:49,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 19:16:49,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:16:49,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 19:16:49,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:16:49,141 INFO L87 Difference]: Start difference. First operand 2274 states and 3118 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) [2025-03-08 19:16:49,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:16:49,405 INFO L93 Difference]: Finished difference Result 6824 states and 9350 transitions. [2025-03-08 19:16:49,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 19:16:49,406 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 [2025-03-08 19:16:49,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:16:49,429 INFO L225 Difference]: With dead ends: 6824 [2025-03-08 19:16:49,430 INFO L226 Difference]: Without dead ends: 4563 [2025-03-08 19:16:49,438 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 [2025-03-08 19:16:49,438 INFO L435 NwaCegarLoop]: 786 mSDtfsCounter, 780 mSDsluCounter, 2325 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 781 SdHoareTripleChecker+Valid, 3111 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:16:49,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [781 Valid, 3111 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:16:49,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4563 states. [2025-03-08 19:16:49,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4563 to 4536. [2025-03-08 19:16:49,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4536 states, 3435 states have (on average 1.327802037845706) internal successors, (4561), 3469 states have internal predecessors, (4561), 826 states have call successors, (826), 277 states have call predecessors, (826), 274 states have return successors, (829), 803 states have call predecessors, (829), 825 states have call successors, (829) [2025-03-08 19:16:49,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4536 states to 4536 states and 6216 transitions. [2025-03-08 19:16:49,635 INFO L78 Accepts]: Start accepts. Automaton has 4536 states and 6216 transitions. Word has length 74 [2025-03-08 19:16:49,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:16:49,635 INFO L471 AbstractCegarLoop]: Abstraction has 4536 states and 6216 transitions. [2025-03-08 19:16:49,635 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) [2025-03-08 19:16:49,635 INFO L276 IsEmpty]: Start isEmpty. Operand 4536 states and 6216 transitions. [2025-03-08 19:16:49,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-08 19:16:49,638 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:16:49,638 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] [2025-03-08 19:16:49,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 19:16:49,638 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:16:49,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:16:49,639 INFO L85 PathProgramCache]: Analyzing trace with hash 920143473, now seen corresponding path program 1 times [2025-03-08 19:16:49,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:16:49,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464119268] [2025-03-08 19:16:49,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:16:49,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:16:49,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-08 19:16:49,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-08 19:16:49,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:16:49,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:16:49,901 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-08 19:16:49,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:16:49,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464119268] [2025-03-08 19:16:49,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464119268] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:16:49,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:16:49,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 19:16:49,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387846946] [2025-03-08 19:16:49,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:16:49,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 19:16:49,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:16:49,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 19:16:49,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:16:49,904 INFO L87 Difference]: Start difference. First operand 4536 states and 6216 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) [2025-03-08 19:16:50,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:16:50,075 INFO L93 Difference]: Finished difference Result 7657 states and 10440 transitions. [2025-03-08 19:16:50,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 19:16:50,076 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 [2025-03-08 19:16:50,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:16:50,095 INFO L225 Difference]: With dead ends: 7657 [2025-03-08 19:16:50,096 INFO L226 Difference]: Without dead ends: 4584 [2025-03-08 19:16:50,104 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 [2025-03-08 19:16:50,106 INFO L435 NwaCegarLoop]: 789 mSDtfsCounter, 778 mSDsluCounter, 1560 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 2349 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 19:16:50,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [779 Valid, 2349 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 19:16:50,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4584 states. [2025-03-08 19:16:50,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4584 to 4552. [2025-03-08 19:16:50,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4552 states, 3451 states have (on average 1.326282237032744) internal successors, (4577), 3481 states have internal predecessors, (4577), 822 states have call successors, (822), 281 states have call predecessors, (822), 278 states have return successors, (825), 803 states have call predecessors, (825), 821 states have call successors, (825) [2025-03-08 19:16:50,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4552 states to 4552 states and 6224 transitions. [2025-03-08 19:16:50,291 INFO L78 Accepts]: Start accepts. Automaton has 4552 states and 6224 transitions. Word has length 75 [2025-03-08 19:16:50,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:16:50,292 INFO L471 AbstractCegarLoop]: Abstraction has 4552 states and 6224 transitions. [2025-03-08 19:16:50,292 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) [2025-03-08 19:16:50,292 INFO L276 IsEmpty]: Start isEmpty. Operand 4552 states and 6224 transitions. [2025-03-08 19:16:50,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-08 19:16:50,294 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:16:50,294 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] [2025-03-08 19:16:50,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 19:16:50,294 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:16:50,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:16:50,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1484454418, now seen corresponding path program 1 times [2025-03-08 19:16:50,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:16:50,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329026774] [2025-03-08 19:16:50,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:16:50,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:16:50,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-08 19:16:50,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-08 19:16:50,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:16:50,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:16:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-08 19:16:50,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:16:50,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329026774] [2025-03-08 19:16:50,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329026774] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:16:50,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:16:50,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 19:16:50,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855682014] [2025-03-08 19:16:50,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:16:50,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 19:16:50,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:16:50,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 19:16:50,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:16:50,529 INFO L87 Difference]: Start difference. First operand 4552 states and 6224 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) [2025-03-08 19:16:50,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:16:50,777 INFO L93 Difference]: Finished difference Result 9526 states and 13002 transitions. [2025-03-08 19:16:50,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 19:16:50,777 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 [2025-03-08 19:16:50,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:16:50,802 INFO L225 Difference]: With dead ends: 9526 [2025-03-08 19:16:50,802 INFO L226 Difference]: Without dead ends: 5700 [2025-03-08 19:16:50,812 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 [2025-03-08 19:16:50,814 INFO L435 NwaCegarLoop]: 788 mSDtfsCounter, 777 mSDsluCounter, 2326 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 3114 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:16:50,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [778 Valid, 3114 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:16:50,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5700 states. [2025-03-08 19:16:50,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5700 to 5677. [2025-03-08 19:16:50,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5677 states, 4303 states have (on average 1.324424819893098) internal successors, (5699), 4338 states have internal predecessors, (5699), 1023 states have call successors, (1023), 353 states have call predecessors, (1023), 350 states have return successors, (1028), 1003 states have call predecessors, (1028), 1022 states have call successors, (1028) [2025-03-08 19:16:50,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5677 states to 5677 states and 7750 transitions. [2025-03-08 19:16:50,986 INFO L78 Accepts]: Start accepts. Automaton has 5677 states and 7750 transitions. Word has length 74 [2025-03-08 19:16:50,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:16:50,987 INFO L471 AbstractCegarLoop]: Abstraction has 5677 states and 7750 transitions. [2025-03-08 19:16:50,987 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) [2025-03-08 19:16:50,987 INFO L276 IsEmpty]: Start isEmpty. Operand 5677 states and 7750 transitions. [2025-03-08 19:16:50,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-03-08 19:16:50,989 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:16:50,989 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] [2025-03-08 19:16:50,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 19:16:50,990 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:16:50,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:16:50,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1603224002, now seen corresponding path program 1 times [2025-03-08 19:16:50,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:16:50,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243590949] [2025-03-08 19:16:50,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:16:50,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:16:51,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-03-08 19:16:51,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-03-08 19:16:51,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:16:51,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:16:51,278 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-08 19:16:51,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:16:51,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243590949] [2025-03-08 19:16:51,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243590949] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:16:51,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:16:51,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 19:16:51,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091522511] [2025-03-08 19:16:51,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:16:51,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 19:16:51,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:16:51,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 19:16:51,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:16:51,280 INFO L87 Difference]: Start difference. First operand 5677 states and 7750 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) [2025-03-08 19:16:51,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:16:51,541 INFO L93 Difference]: Finished difference Result 9598 states and 13037 transitions. [2025-03-08 19:16:51,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 19:16:51,541 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 [2025-03-08 19:16:51,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:16:51,569 INFO L225 Difference]: With dead ends: 9598 [2025-03-08 19:16:51,569 INFO L226 Difference]: Without dead ends: 5737 [2025-03-08 19:16:51,581 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 [2025-03-08 19:16:51,581 INFO L435 NwaCegarLoop]: 789 mSDtfsCounter, 777 mSDsluCounter, 1560 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 2349 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:16:51,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [778 Valid, 2349 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:16:51,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5737 states. [2025-03-08 19:16:51,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5737 to 5697. [2025-03-08 19:16:51,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5697 states, 4323 states have (on average 1.3229238954429794) internal successors, (5719), 4353 states have internal predecessors, (5719), 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) [2025-03-08 19:16:51,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5697 states to 5697 states and 7760 transitions. [2025-03-08 19:16:51,816 INFO L78 Accepts]: Start accepts. Automaton has 5697 states and 7760 transitions. Word has length 76 [2025-03-08 19:16:51,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:16:51,816 INFO L471 AbstractCegarLoop]: Abstraction has 5697 states and 7760 transitions. [2025-03-08 19:16:51,817 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) [2025-03-08 19:16:51,817 INFO L276 IsEmpty]: Start isEmpty. Operand 5697 states and 7760 transitions. [2025-03-08 19:16:51,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-08 19:16:51,819 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:16:51,819 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] [2025-03-08 19:16:51,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 19:16:51,820 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:16:51,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:16:51,821 INFO L85 PathProgramCache]: Analyzing trace with hash 543777780, now seen corresponding path program 1 times [2025-03-08 19:16:51,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:16:51,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085084788] [2025-03-08 19:16:51,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:16:51,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:16:51,925 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-08 19:16:51,937 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-08 19:16:51,937 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:16:51,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:16:52,045 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-08 19:16:52,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:16:52,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085084788] [2025-03-08 19:16:52,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085084788] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:16:52,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:16:52,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 19:16:52,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158069096] [2025-03-08 19:16:52,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:16:52,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 19:16:52,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:16:52,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 19:16:52,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:16:52,047 INFO L87 Difference]: Start difference. First operand 5697 states and 7760 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) [2025-03-08 19:16:52,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:16:52,266 INFO L93 Difference]: Finished difference Result 9435 states and 12761 transitions. [2025-03-08 19:16:52,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 19:16:52,267 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 [2025-03-08 19:16:52,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:16:52,287 INFO L225 Difference]: With dead ends: 9435 [2025-03-08 19:16:52,287 INFO L226 Difference]: Without dead ends: 5549 [2025-03-08 19:16:52,295 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 [2025-03-08 19:16:52,296 INFO L435 NwaCegarLoop]: 789 mSDtfsCounter, 776 mSDsluCounter, 1560 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 2349 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 19:16:52,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [777 Valid, 2349 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 19:16:52,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5549 states. [2025-03-08 19:16:52,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5549 to 5514. [2025-03-08 19:16:52,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5514 states, 4179 states have (on average 1.3165829145728642) internal successors, (5502), 4204 states have internal predecessors, (5502), 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) [2025-03-08 19:16:52,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5514 states to 5514 states and 7469 transitions. [2025-03-08 19:16:52,469 INFO L78 Accepts]: Start accepts. Automaton has 5514 states and 7469 transitions. Word has length 77 [2025-03-08 19:16:52,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:16:52,470 INFO L471 AbstractCegarLoop]: Abstraction has 5514 states and 7469 transitions. [2025-03-08 19:16:52,470 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) [2025-03-08 19:16:52,470 INFO L276 IsEmpty]: Start isEmpty. Operand 5514 states and 7469 transitions. [2025-03-08 19:16:52,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-08 19:16:52,472 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:16:52,472 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] [2025-03-08 19:16:52,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 19:16:52,472 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:16:52,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:16:52,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1081321851, now seen corresponding path program 1 times [2025-03-08 19:16:52,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:16:52,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784707805] [2025-03-08 19:16:52,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:16:52,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:16:52,577 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-08 19:16:52,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-08 19:16:52,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:16:52,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:16:52,657 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-03-08 19:16:52,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:16:52,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784707805] [2025-03-08 19:16:52,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784707805] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:16:52,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:16:52,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:16:52,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537749899] [2025-03-08 19:16:52,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:16:52,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:16:52,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:16:52,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:16:52,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:16:52,659 INFO L87 Difference]: Start difference. First operand 5514 states and 7469 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) [2025-03-08 19:16:52,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:16:52,907 INFO L93 Difference]: Finished difference Result 14521 states and 19595 transitions. [2025-03-08 19:16:52,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:16:52,908 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 [2025-03-08 19:16:52,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:16:52,942 INFO L225 Difference]: With dead ends: 14521 [2025-03-08 19:16:52,943 INFO L226 Difference]: Without dead ends: 9020 [2025-03-08 19:16:52,960 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 [2025-03-08 19:16:52,962 INFO L435 NwaCegarLoop]: 791 mSDtfsCounter, 517 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 1554 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 19:16:52,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 1554 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 19:16:52,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9020 states. [2025-03-08 19:16:53,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9020 to 9017. [2025-03-08 19:16:53,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9017 states, 6847 states have (on average 1.3201402073900979) internal successors, (9039), 6879 states have internal predecessors, (9039), 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) [2025-03-08 19:16:53,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9017 states to 9017 states and 12132 transitions. [2025-03-08 19:16:53,374 INFO L78 Accepts]: Start accepts. Automaton has 9017 states and 12132 transitions. Word has length 80 [2025-03-08 19:16:53,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:16:53,374 INFO L471 AbstractCegarLoop]: Abstraction has 9017 states and 12132 transitions. [2025-03-08 19:16:53,375 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) [2025-03-08 19:16:53,375 INFO L276 IsEmpty]: Start isEmpty. Operand 9017 states and 12132 transitions. [2025-03-08 19:16:53,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-08 19:16:53,378 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:16:53,378 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] [2025-03-08 19:16:53,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 19:16:53,379 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:16:53,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:16:53,382 INFO L85 PathProgramCache]: Analyzing trace with hash 807791174, now seen corresponding path program 1 times [2025-03-08 19:16:53,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:16:53,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443446187] [2025-03-08 19:16:53,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:16:53,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:16:53,540 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-08 19:16:53,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-08 19:16:53,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:16:53,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:16:53,788 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-08 19:16:53,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:16:53,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443446187] [2025-03-08 19:16:53,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443446187] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 19:16:53,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803163903] [2025-03-08 19:16:53,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:16:53,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:16:53,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:16:53,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 19:16:53,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 19:16:54,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-08 19:16:54,409 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-08 19:16:54,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:16:54,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:16:54,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 1448 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-08 19:16:54,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 19:16:54,443 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-08 19:16:54,444 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 19:16:54,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803163903] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:16:54,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 19:16:54,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2025-03-08 19:16:54,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839179961] [2025-03-08 19:16:54,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:16:54,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:16:54,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:16:54,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:16:54,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-08 19:16:54,446 INFO L87 Difference]: Start difference. First operand 9017 states and 12132 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) [2025-03-08 19:16:54,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:16:54,653 INFO L93 Difference]: Finished difference Result 9039 states and 12172 transitions. [2025-03-08 19:16:54,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:16:54,653 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 [2025-03-08 19:16:54,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:16:54,683 INFO L225 Difference]: With dead ends: 9039 [2025-03-08 19:16:54,683 INFO L226 Difference]: Without dead ends: 9036 [2025-03-08 19:16:54,687 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 [2025-03-08 19:16:54,688 INFO L435 NwaCegarLoop]: 789 mSDtfsCounter, 0 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1573 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 19:16:54,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1573 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 19:16:54,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9036 states. [2025-03-08 19:16:54,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9036 to 9036. [2025-03-08 19:16:54,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9036 states, 6866 states have (on average 1.319254296533644) internal successors, (9058), 6898 states have internal predecessors, (9058), 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) [2025-03-08 19:16:54,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9036 states to 9036 states and 12151 transitions. [2025-03-08 19:16:54,966 INFO L78 Accepts]: Start accepts. Automaton has 9036 states and 12151 transitions. Word has length 84 [2025-03-08 19:16:54,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:16:54,967 INFO L471 AbstractCegarLoop]: Abstraction has 9036 states and 12151 transitions. [2025-03-08 19:16:54,967 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) [2025-03-08 19:16:54,967 INFO L276 IsEmpty]: Start isEmpty. Operand 9036 states and 12151 transitions. [2025-03-08 19:16:54,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-08 19:16:54,970 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:16:54,970 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] [2025-03-08 19:16:54,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 19:16:55,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-08 19:16:55,177 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:16:55,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:16:55,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1093361850, now seen corresponding path program 1 times [2025-03-08 19:16:55,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:16:55,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634831434] [2025-03-08 19:16:55,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:16:55,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:16:55,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-08 19:16:55,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-08 19:16:55,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:16:55,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:16:55,526 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-08 19:16:55,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:16:55,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634831434] [2025-03-08 19:16:55,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634831434] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 19:16:55,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313578470] [2025-03-08 19:16:55,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:16:55,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:16:55,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:16:55,529 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 19:16:55,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 19:16:55,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-08 19:16:56,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-08 19:16:56,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:16:56,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:16:56,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 1453 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-08 19:16:56,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 19:16:56,202 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-08 19:16:56,202 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 19:16:56,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313578470] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:16:56,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 19:16:56,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2025-03-08 19:16:56,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378491750] [2025-03-08 19:16:56,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:16:56,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 19:16:56,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:16:56,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 19:16:56,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-03-08 19:16:56,204 INFO L87 Difference]: Start difference. First operand 9036 states and 12151 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) [2025-03-08 19:16:56,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:16:56,414 INFO L93 Difference]: Finished difference Result 17954 states and 24245 transitions. [2025-03-08 19:16:56,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 19:16:56,415 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 [2025-03-08 19:16:56,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:16:56,423 INFO L225 Difference]: With dead ends: 17954 [2025-03-08 19:16:56,423 INFO L226 Difference]: Without dead ends: 0 [2025-03-08 19:16:56,453 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 [2025-03-08 19:16:56,454 INFO L435 NwaCegarLoop]: 778 mSDtfsCounter, 727 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 1556 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 19:16:56,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 1556 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 19:16:56,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-08 19:16:56,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-08 19:16:56,455 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) [2025-03-08 19:16:56,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-08 19:16:56,460 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2025-03-08 19:16:56,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:16:56,460 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-08 19:16:56,460 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) [2025-03-08 19:16:56,460 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-08 19:16:56,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-08 19:16:56,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 19:16:56,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-08 19:16:56,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-03-08 19:16:56,666 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:16:56,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-08 19:17:20,816 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 19:17:20,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 07:17:20 BoogieIcfgContainer [2025-03-08 19:17:20,823 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 19:17:20,824 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 19:17:20,824 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 19:17:20,824 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 19:17:20,825 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:16:46" (3/4) ... [2025-03-08 19:17:20,826 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure print_hex_dump [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printk [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure usleep_range [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure devm_gpio_request [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure msleep [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure st21nfca_hci_i2c_disable [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dev_err [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure skb_put [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure i2c_master_send [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure i2c_master_recv [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure devm_request_threaded_irq [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __dynamic_dev_dbg [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_irq_1 [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure skb_pull [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure alloc_skb [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_irq_2 [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure crc_ccitt [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mutex_lock_nested [2025-03-08 19:17:20,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure gpio_set_value [2025-03-08 19:17:20,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure skb_push [2025-03-08 19:17:20,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure i2c_get_clientdata [2025-03-08 19:17:20,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure reg_check_1 [2025-03-08 19:17:20,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure activate_suitable_irq_1 [2025-03-08 19:17:20,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure st21nfca_hci_irq_thread_fn [2025-03-08 19:17:20,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-03-08 19:17:20,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure gpio_to_desc [2025-03-08 19:17:20,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-03-08 19:17:20,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure nfc_hci_recv_frame [2025-03-08 19:17:20,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2025-03-08 19:17:20,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure skb_trim [2025-03-08 19:17:20,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2025-03-08 19:17:20,855 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 247 nodes and edges [2025-03-08 19:17:20,857 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 91 nodes and edges [2025-03-08 19:17:20,859 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2025-03-08 19:17:20,861 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-03-08 19:17:20,862 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-08 19:17:20,864 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-08 19:17:20,866 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 19:17:20,868 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 19:17:21,029 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 19:17:21,030 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 19:17:21,030 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 19:17:21,030 INFO L158 Benchmark]: Toolchain (without parser) took 41664.94ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 99.6MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 109.9MB. Max. memory is 16.1GB. [2025-03-08 19:17:21,031 INFO L158 Benchmark]: CDTParser took 1.02ms. Allocated memory is still 201.3MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 19:17:21,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 814.41ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 80.4MB in the end (delta: 19.2MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. [2025-03-08 19:17:21,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.40ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 69.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 19:17:21,031 INFO L158 Benchmark]: Boogie Preprocessor took 259.82ms. Allocated memory is still 142.6MB. Free memory was 69.4MB in the beginning and 80.8MB in the end (delta: -11.4MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2025-03-08 19:17:21,032 INFO L158 Benchmark]: IcfgBuilder took 5845.30ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 80.8MB in the beginning and 183.1MB in the end (delta: -102.4MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. [2025-03-08 19:17:21,033 INFO L158 Benchmark]: TraceAbstraction took 34441.73ms. Allocated memory was 335.5MB in the beginning and 1.6GB in the end (delta: 1.2GB). Free memory was 182.3MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 884.4MB. Max. memory is 16.1GB. [2025-03-08 19:17:21,033 INFO L158 Benchmark]: Witness Printer took 205.80ms. Allocated memory is still 1.6GB. Free memory was 1.5GB in the beginning and 1.4GB in the end (delta: 29.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 19:17:21,036 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02ms. Allocated memory is still 201.3MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 814.41ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 80.4MB in the end (delta: 19.2MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.40ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 69.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 259.82ms. Allocated memory is still 142.6MB. Free memory was 69.4MB in the beginning and 80.8MB in the end (delta: -11.4MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * IcfgBuilder took 5845.30ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 80.8MB in the beginning and 183.1MB in the end (delta: -102.4MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. * TraceAbstraction took 34441.73ms. Allocated memory was 335.5MB in the beginning and 1.6GB in the end (delta: 1.2GB). Free memory was 182.3MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 884.4MB. Max. memory is 16.1GB. * Witness Printer took 205.80ms. Allocated memory is still 1.6GB. Free memory was 1.5GB in the beginning and 1.4GB in the end (delta: 29.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 2868]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 598 locations, 954 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.2s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7489 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7481 mSDsluCounter, 27404 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18714 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 466 IncrementalHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 8690 mSDtfsCounter, 466 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 254 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9036occurred in iteration=10, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 194 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1012 NumberOfCodeBlocks, 1012 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 999 ConstructedInterpolants, 0 QuantifiedInterpolants, 1665 SizeOfPredicates, 1 NumberOfNonLiveVariables, 2901 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 553/555 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-08 19:17:21,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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