./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--input--gameport--ns558.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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--input--gameport--ns558.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 fcd76f3400222a7434b370a764d7267d42d60812577a6e3d633d4f9c70f9f427 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:23:48,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:23:49,013 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:23:49,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:23:49,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:23:49,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:23:49,054 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:23:49,054 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:23:49,055 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:23:49,055 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:23:49,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:23:49,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:23:49,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:23:49,063 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:23:49,063 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:23:49,064 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:23:49,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:23:49,065 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:23:49,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:23:49,065 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:23:49,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:23:49,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:23:49,066 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:23:49,067 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:23:49,068 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:23:49,068 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:23:49,069 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:23:49,069 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:23:49,069 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:23:49,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:23:49,070 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:23:49,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:23:49,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:23:49,072 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:23:49,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:23:49,072 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:23:49,072 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:23:49,073 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:23:49,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:23:49,073 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcd76f3400222a7434b370a764d7267d42d60812577a6e3d633d4f9c70f9f427 [2024-11-19 03:23:49,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:23:49,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:23:49,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:23:49,375 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:23:49,378 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:23:49,380 INFO L431 ainManager$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--input--gameport--ns558.ko-entry_point.cil.out.i [2024-11-19 03:23:50,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:23:51,279 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:23:51,281 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--input--gameport--ns558.ko-entry_point.cil.out.i [2024-11-19 03:23:51,312 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b99303b4/40118d321fd34dbdb56d81166588d658/FLAG266bb2425 [2024-11-19 03:23:51,326 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b99303b4/40118d321fd34dbdb56d81166588d658 [2024-11-19 03:23:51,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:23:51,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:23:51,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:23:51,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:23:51,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:23:51,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:51" (1/1) ... [2024-11-19 03:23:51,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@523f4fb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:51, skipping insertion in model container [2024-11-19 03:23:51,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:51" (1/1) ... [2024-11-19 03:23:51,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:23:51,801 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2024-11-19 03:23:51,802 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2024-11-19 03:23:51,903 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--input--gameport--ns558.ko-entry_point.cil.out.i[42973,42986] [2024-11-19 03:23:52,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:23:52,141 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:23:52,231 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2024-11-19 03:23:52,231 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2024-11-19 03:23:52,236 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [1449] [2024-11-19 03:23:52,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [1457] [2024-11-19 03:23:52,242 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--input--gameport--ns558.ko-entry_point.cil.out.i[42973,42986] [2024-11-19 03:23:52,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:23:52,408 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:23:52,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:52 WrapperNode [2024-11-19 03:23:52,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:23:52,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:23:52,410 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:23:52,410 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:23:52,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:52" (1/1) ... [2024-11-19 03:23:52,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:52" (1/1) ... [2024-11-19 03:23:52,531 INFO L138 Inliner]: procedures = 79, calls = 395, calls flagged for inlining = 27, calls inlined = 25, statements flattened = 1093 [2024-11-19 03:23:52,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:23:52,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:23:52,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:23:52,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:23:52,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:52" (1/1) ... [2024-11-19 03:23:52,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:52" (1/1) ... [2024-11-19 03:23:52,568 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:52" (1/1) ... [2024-11-19 03:23:52,648 INFO L175 MemorySlicer]: Split 284 memory accesses to 6 slices as follows [207, 2, 25, 26, 5, 19]. 73 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [6, 2, 0, 2, 0, 0]. The 254 writes are split as follows [201, 0, 25, 11, 0, 17]. [2024-11-19 03:23:52,648 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:52" (1/1) ... [2024-11-19 03:23:52,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:52" (1/1) ... [2024-11-19 03:23:52,693 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:52" (1/1) ... [2024-11-19 03:23:52,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:52" (1/1) ... [2024-11-19 03:23:52,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:52" (1/1) ... [2024-11-19 03:23:52,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:52" (1/1) ... [2024-11-19 03:23:52,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:23:52,751 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:23:52,751 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:23:52,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:23:52,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:52" (1/1) ... [2024-11-19 03:23:52,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:23:52,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:23:52,793 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) [2024-11-19 03:23:52,797 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 [2024-11-19 03:23:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-19 03:23:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-19 03:23:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:23:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2024-11-19 03:23:52,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2024-11-19 03:23:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:23:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:23:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:23:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:23:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:23:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:23:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:23:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:23:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:23:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:23:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:23:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:23:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-19 03:23:52,853 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-19 03:23:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2024-11-19 03:23:52,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2024-11-19 03:23:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2024-11-19 03:23:52,853 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2024-11-19 03:23:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:23:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:23:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:23:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:23:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:23:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:23:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:23:52,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:23:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:23:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:23:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:23:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:23:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:23:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:23:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2024-11-19 03:23:52,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2024-11-19 03:23:52,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:23:52,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:23:52,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:23:52,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:23:52,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:23:52,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:23:52,858 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2024-11-19 03:23:52,858 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2024-11-19 03:23:52,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:23:52,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:23:52,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:23:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 03:23:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 03:23:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 03:23:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 03:23:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 03:23:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 03:23:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-19 03:23:52,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-19 03:23:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 03:23:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 03:23:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 03:23:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 03:23:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:23:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:23:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:23:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:23:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:23:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:23:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2024-11-19 03:23:52,862 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2024-11-19 03:23:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:23:52,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:23:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-19 03:23:52,862 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-19 03:23:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-19 03:23:52,863 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-19 03:23:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2024-11-19 03:23:52,863 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2024-11-19 03:23:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-19 03:23:52,863 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-19 03:23:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:23:52,864 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:23:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:23:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:23:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:23:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:23:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:23:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:23:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-19 03:23:52,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-19 03:23:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:23:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-19 03:23:52,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-19 03:23:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:23:52,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:23:53,176 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:23:53,180 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:23:53,254 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:24:02,825 INFO L? ?]: Removed 323 outVars from TransFormulas that were not future-live. [2024-11-19 03:24:02,825 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:24:02,859 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:24:02,862 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 03:24:02,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:02 BoogieIcfgContainer [2024-11-19 03:24:02,863 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:24:02,865 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:24:02,865 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:24:02,870 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:24:02,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:23:51" (1/3) ... [2024-11-19 03:24:02,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2552ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:24:02, skipping insertion in model container [2024-11-19 03:24:02,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:52" (2/3) ... [2024-11-19 03:24:02,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2552ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:24:02, skipping insertion in model container [2024-11-19 03:24:02,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:02" (3/3) ... [2024-11-19 03:24:02,874 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2024-11-19 03:24:02,889 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:24:02,889 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:24:02,982 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:24:02,991 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;@42e12d1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:24:02,991 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:24:02,997 INFO L276 IsEmpty]: Start isEmpty. Operand has 343 states, 258 states have (on average 1.3682170542635659) internal successors, (353), 263 states have internal predecessors, (353), 63 states have call successors, (63), 21 states have call predecessors, (63), 20 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-19 03:24:03,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-19 03:24:03,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:24:03,011 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:24:03,012 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:24:03,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:24:03,017 INFO L85 PathProgramCache]: Analyzing trace with hash 725682405, now seen corresponding path program 1 times [2024-11-19 03:24:03,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:24:03,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661577152] [2024-11-19 03:24:03,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:24:03,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:24:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:24:23,484 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-19 03:24:23,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:24:23,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661577152] [2024-11-19 03:24:23,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661577152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:24:23,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:24:23,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 03:24:23,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054584304] [2024-11-19 03:24:23,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:24:23,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 03:24:23,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:24:23,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 03:24:23,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:24:23,537 INFO L87 Difference]: Start difference. First operand has 343 states, 258 states have (on average 1.3682170542635659) internal successors, (353), 263 states have internal predecessors, (353), 63 states have call successors, (63), 21 states have call predecessors, (63), 20 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-19 03:24:23,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:24:23,622 INFO L93 Difference]: Finished difference Result 681 states and 965 transitions. [2024-11-19 03:24:23,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 03:24:23,624 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 77 [2024-11-19 03:24:23,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:24:23,637 INFO L225 Difference]: With dead ends: 681 [2024-11-19 03:24:23,637 INFO L226 Difference]: Without dead ends: 319 [2024-11-19 03:24:23,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:24:23,648 INFO L432 NwaCegarLoop]: 470 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:24:23,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:24:23,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-19 03:24:23,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2024-11-19 03:24:23,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 241 states have (on average 1.3443983402489628) internal successors, (324), 241 states have internal predecessors, (324), 58 states have call successors, (58), 20 states have call predecessors, (58), 19 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-19 03:24:23,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 439 transitions. [2024-11-19 03:24:23,711 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 439 transitions. Word has length 77 [2024-11-19 03:24:23,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:24:23,713 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 439 transitions. [2024-11-19 03:24:23,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-19 03:24:23,714 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 439 transitions. [2024-11-19 03:24:23,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-19 03:24:23,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:24:23,719 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:24:23,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 03:24:23,719 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:24:23,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:24:23,720 INFO L85 PathProgramCache]: Analyzing trace with hash -331284504, now seen corresponding path program 1 times [2024-11-19 03:24:23,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:24:23,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275400133] [2024-11-19 03:24:23,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:24:23,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:24:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:24:43,276 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-19 03:24:43,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:24:43,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275400133] [2024-11-19 03:24:43,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275400133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:24:43,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:24:43,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:24:43,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561014381] [2024-11-19 03:24:43,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:24:43,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:24:43,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:24:43,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:24:43,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:24:43,280 INFO L87 Difference]: Start difference. First operand 319 states and 439 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-19 03:24:43,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:24:43,903 INFO L93 Difference]: Finished difference Result 708 states and 1000 transitions. [2024-11-19 03:24:43,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:24:43,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 79 [2024-11-19 03:24:43,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:24:43,908 INFO L225 Difference]: With dead ends: 708 [2024-11-19 03:24:43,909 INFO L226 Difference]: Without dead ends: 403 [2024-11-19 03:24:43,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:24:43,914 INFO L432 NwaCegarLoop]: 452 mSDtfsCounter, 83 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 03:24:43,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 847 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 03:24:43,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-19 03:24:43,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 383. [2024-11-19 03:24:43,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 295 states have (on average 1.3491525423728814) internal successors, (398), 295 states have internal predecessors, (398), 68 states have call successors, (68), 20 states have call predecessors, (68), 19 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 03:24:43,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 533 transitions. [2024-11-19 03:24:43,956 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 533 transitions. Word has length 79 [2024-11-19 03:24:43,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:24:43,956 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 533 transitions. [2024-11-19 03:24:43,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-19 03:24:43,957 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 533 transitions. [2024-11-19 03:24:43,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-19 03:24:43,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:24:43,960 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 03:24:43,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:24:43,961 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:24:43,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:24:43,962 INFO L85 PathProgramCache]: Analyzing trace with hash -359245899, now seen corresponding path program 1 times [2024-11-19 03:24:43,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:24:43,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359018953] [2024-11-19 03:24:43,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:24:43,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:25:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:25:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-19 03:25:01,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:25:01,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359018953] [2024-11-19 03:25:01,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359018953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:25:01,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:25:01,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:25:01,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506135384] [2024-11-19 03:25:01,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:25:01,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:25:01,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:25:01,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:25:01,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:25:01,895 INFO L87 Difference]: Start difference. First operand 383 states and 533 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 03:25:02,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:25:02,178 INFO L93 Difference]: Finished difference Result 1054 states and 1468 transitions. [2024-11-19 03:25:02,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:25:02,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 95 [2024-11-19 03:25:02,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:25:02,185 INFO L225 Difference]: With dead ends: 1054 [2024-11-19 03:25:02,188 INFO L226 Difference]: Without dead ends: 685 [2024-11-19 03:25:02,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:25:02,192 INFO L432 NwaCegarLoop]: 443 mSDtfsCounter, 336 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:25:02,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 856 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:25:02,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2024-11-19 03:25:02,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 682. [2024-11-19 03:25:02,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 532 states have (on average 1.3571428571428572) internal successors, (722), 532 states have internal predecessors, (722), 114 states have call successors, (114), 36 states have call predecessors, (114), 35 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-19 03:25:02,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 949 transitions. [2024-11-19 03:25:02,246 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 949 transitions. Word has length 95 [2024-11-19 03:25:02,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:25:02,246 INFO L471 AbstractCegarLoop]: Abstraction has 682 states and 949 transitions. [2024-11-19 03:25:02,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 03:25:02,247 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 949 transitions. [2024-11-19 03:25:02,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-19 03:25:02,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:25:02,254 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:25:02,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:25:02,255 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:25:02,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:25:02,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1891074504, now seen corresponding path program 1 times [2024-11-19 03:25:02,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:25:02,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449444545] [2024-11-19 03:25:02,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:25:02,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:25:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:25:20,919 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-19 03:25:20,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:25:20,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449444545] [2024-11-19 03:25:20,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449444545] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:25:20,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910391618] [2024-11-19 03:25:20,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:25:20,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:25:20,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:25:20,922 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) [2024-11-19 03:25:20,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process