./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /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 --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /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 -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-mul-div-a046e57-m [2024-10-13 08:03:57,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 08:03:58,055 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-13 08:03:58,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 08:03:58,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 08:03:58,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 08:03:58,092 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 08:03:58,092 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 08:03:58,093 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 08:03:58,093 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 08:03:58,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 08:03:58,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 08:03:58,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 08:03:58,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 08:03:58,095 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 08:03:58,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 08:03:58,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 08:03:58,100 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 08:03:58,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 08:03:58,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 08:03:58,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 08:03:58,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 08:03:58,102 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 08:03:58,102 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 08:03:58,103 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 08:03:58,103 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 08:03:58,103 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 08:03:58,103 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 08:03:58,104 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 08:03:58,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 08:03:58,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 08:03:58,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 08:03:58,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 08:03:58,105 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 08:03:58,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 08:03:58,106 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 08:03:58,106 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 08:03:58,107 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 08:03:58,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 08:03:58,107 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcd76f3400222a7434b370a764d7267d42d60812577a6e3d633d4f9c70f9f427 [2024-10-13 08:03:58,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 08:03:58,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 08:03:58,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 08:03:58,392 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 08:03:58,393 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 08:03:58,394 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /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 [2024-10-13 08:03:59,828 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 08:04:00,151 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 08:04:00,152 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 [2024-10-13 08:04:00,184 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bc7439d4/45f871b332a54b9c9695bd06c17b06df/FLAG554b4953d [2024-10-13 08:04:00,200 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bc7439d4/45f871b332a54b9c9695bd06c17b06df [2024-10-13 08:04:00,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 08:04:00,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 08:04:00,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 08:04:00,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 08:04:00,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 08:04:00,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:04:00" (1/1) ... [2024-10-13 08:04:00,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67aa9f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:00, skipping insertion in model container [2024-10-13 08:04:00,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:04:00" (1/1) ... [2024-10-13 08:04:00,282 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 08:04:00,620 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2024-10-13 08:04:00,621 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2024-10-13 08:04:00,699 WARN L248 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] [2024-10-13 08:04:00,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 08:04:00,898 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 08:04:00,957 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2024-10-13 08:04:00,958 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2024-10-13 08:04:00,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [1449] [2024-10-13 08:04:00,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [1457] [2024-10-13 08:04:00,974 WARN L248 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] [2024-10-13 08:04:01,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 08:04:01,082 INFO L204 MainTranslator]: Completed translation [2024-10-13 08:04:01,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:01 WrapperNode [2024-10-13 08:04:01,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 08:04:01,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 08:04:01,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 08:04:01,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 08:04:01,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:01" (1/1) ... [2024-10-13 08:04:01,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:01" (1/1) ... [2024-10-13 08:04:01,210 INFO L138 Inliner]: procedures = 77, calls = 402, calls flagged for inlining = 27, calls inlined = 25, statements flattened = 1096 [2024-10-13 08:04:01,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 08:04:01,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 08:04:01,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 08:04:01,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 08:04:01,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:01" (1/1) ... [2024-10-13 08:04:01,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:01" (1/1) ... [2024-10-13 08:04:01,240 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:01" (1/1) ... [2024-10-13 08:04:01,307 INFO L175 MemorySlicer]: Split 287 memory accesses to 6 slices as follows [2, 23, 5, 26, 18, 213]. 74 percent of accesses are in the largest equivalence class. The 256 initializations are split as follows [2, 23, 0, 2, 16, 213]. The 11 writes are split as follows [0, 0, 0, 11, 0, 0]. [2024-10-13 08:04:01,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:01" (1/1) ... [2024-10-13 08:04:01,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:01" (1/1) ... [2024-10-13 08:04:01,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:01" (1/1) ... [2024-10-13 08:04:01,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:01" (1/1) ... [2024-10-13 08:04:01,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:01" (1/1) ... [2024-10-13 08:04:01,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:01" (1/1) ... [2024-10-13 08:04:01,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 08:04:01,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 08:04:01,397 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 08:04:01,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 08:04:01,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:01" (1/1) ... [2024-10-13 08:04:01,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 08:04:01,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 08:04:01,434 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) [2024-10-13 08:04:01,441 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 [2024-10-13 08:04:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-10-13 08:04:01,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-10-13 08:04:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 08:04:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2024-10-13 08:04:01,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2024-10-13 08:04:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 08:04:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 08:04:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 08:04:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-13 08:04:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-13 08:04:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-13 08:04:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-10-13 08:04:01,489 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-10-13 08:04:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2024-10-13 08:04:01,490 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2024-10-13 08:04:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2024-10-13 08:04:01,490 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2024-10-13 08:04:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-13 08:04:01,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-13 08:04:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 08:04:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 08:04:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 08:04:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-13 08:04:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-13 08:04:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-13 08:04:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2024-10-13 08:04:01,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2024-10-13 08:04:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 08:04:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 08:04:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 08:04:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-13 08:04:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-13 08:04:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-13 08:04:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2024-10-13 08:04:01,494 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2024-10-13 08:04:01,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-13 08:04:01,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-13 08:04:01,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 08:04:01,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-13 08:04:01,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-13 08:04:01,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-13 08:04:01,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-13 08:04:01,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-13 08:04:01,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-13 08:04:01,496 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-10-13 08:04:01,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-10-13 08:04:01,496 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-13 08:04:01,496 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-13 08:04:01,496 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-13 08:04:01,496 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-13 08:04:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 08:04:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 08:04:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 08:04:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-13 08:04:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-13 08:04:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-13 08:04:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2024-10-13 08:04:01,498 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2024-10-13 08:04:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-13 08:04:01,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-13 08:04:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-10-13 08:04:01,499 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-10-13 08:04:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-10-13 08:04:01,500 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-10-13 08:04:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2024-10-13 08:04:01,500 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2024-10-13 08:04:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-10-13 08:04:01,500 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-10-13 08:04:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 08:04:01,501 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 08:04:01,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 08:04:01,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 08:04:01,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 08:04:01,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-13 08:04:01,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-13 08:04:01,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-13 08:04:01,501 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-10-13 08:04:01,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-10-13 08:04:01,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 08:04:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-10-13 08:04:01,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-10-13 08:04:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 08:04:01,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 08:04:01,785 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 08:04:01,790 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 08:04:01,857 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-13 08:04:02,830 INFO L? ?]: Removed 323 outVars from TransFormulas that were not future-live. [2024-10-13 08:04:02,831 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 08:04:02,969 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 08:04:02,973 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 08:04:02,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:04:02 BoogieIcfgContainer [2024-10-13 08:04:02,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 08:04:02,977 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 08:04:02,977 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 08:04:02,980 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 08:04:02,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:04:00" (1/3) ... [2024-10-13 08:04:02,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba50d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:04:02, skipping insertion in model container [2024-10-13 08:04:02,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:01" (2/3) ... [2024-10-13 08:04:02,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba50d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:04:02, skipping insertion in model container [2024-10-13 08:04:02,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:04:02" (3/3) ... [2024-10-13 08:04:02,983 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 [2024-10-13 08:04:03,000 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 08:04:03,001 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 08:04:03,091 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 08:04:03,097 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5dc4b4b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 08:04:03,100 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 08:04:03,106 INFO L276 IsEmpty]: Start isEmpty. Operand has 308 states, 223 states have (on average 1.4260089686098654) internal successors, (318), 228 states have internal predecessors, (318), 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) [2024-10-13 08:04:03,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-13 08:04:03,122 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:04:03,123 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-13 08:04:03,123 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:04:03,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:04:03,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1563950564, now seen corresponding path program 1 times [2024-10-13 08:04:03,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:04:03,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138446770] [2024-10-13 08:04:03,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:04:03,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:04:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:03,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:04:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:03,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:04:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:03,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 08:04:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:03,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:04:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:03,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 08:04:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:03,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-13 08:04:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:03,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:04:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:03,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 08:04:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:03,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 08:04:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:03,677 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-13 08:04:03,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:04:03,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138446770] [2024-10-13 08:04:03,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138446770] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:04:03,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:04:03,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 08:04:03,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654700144] [2024-10-13 08:04:03,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:04:03,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 08:04:03,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:04:03,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 08:04:03,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 08:04:03,717 INFO L87 Difference]: Start difference. First operand has 308 states, 223 states have (on average 1.4260089686098654) internal successors, (318), 228 states have internal predecessors, (318), 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 4 states, 4 states have (on average 10.5) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 08:04:04,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:04:04,327 INFO L93 Difference]: Finished difference Result 621 states and 912 transitions. [2024-10-13 08:04:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 08:04:04,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (11), 4 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 67 [2024-10-13 08:04:04,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:04:04,346 INFO L225 Difference]: With dead ends: 621 [2024-10-13 08:04:04,346 INFO L226 Difference]: Without dead ends: 300 [2024-10-13 08:04:04,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 08:04:04,357 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 45 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 08:04:04,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 891 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 08:04:04,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-10-13 08:04:04,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 292. [2024-10-13 08:04:04,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 214 states have (on average 1.3878504672897196) internal successors, (297), 214 states have internal predecessors, (297), 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) [2024-10-13 08:04:04,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 412 transitions. [2024-10-13 08:04:04,427 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 412 transitions. Word has length 67 [2024-10-13 08:04:04,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:04:04,428 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 412 transitions. [2024-10-13 08:04:04,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 08:04:04,429 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 412 transitions. [2024-10-13 08:04:04,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-13 08:04:04,432 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:04:04,432 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-13 08:04:04,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 08:04:04,433 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:04:04,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:04:04,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1174967257, now seen corresponding path program 1 times [2024-10-13 08:04:04,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:04:04,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452298548] [2024-10-13 08:04:04,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:04:04,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:04:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:04,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:04:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:04,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:04:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:04,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 08:04:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:04,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:04:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:04,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 08:04:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:04,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 08:04:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:04,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 08:04:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:04,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 08:04:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:04,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 08:04:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:04,673 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-13 08:04:04,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:04:04,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452298548] [2024-10-13 08:04:04,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452298548] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:04:04,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:04:04,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:04:04,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979344412] [2024-10-13 08:04:04,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:04:04,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:04:04,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:04:04,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:04:04,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:04:04,678 INFO L87 Difference]: Start difference. First operand 292 states and 412 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 08:04:05,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:04:05,235 INFO L93 Difference]: Finished difference Result 665 states and 966 transitions. [2024-10-13 08:04:05,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 08:04:05,236 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (11), 4 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 69 [2024-10-13 08:04:05,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:04:05,244 INFO L225 Difference]: With dead ends: 665 [2024-10-13 08:04:05,244 INFO L226 Difference]: Without dead ends: 384 [2024-10-13 08:04:05,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:04:05,247 INFO L432 NwaCegarLoop]: 364 mSDtfsCounter, 170 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 08:04:05,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 876 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 08:04:05,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-10-13 08:04:05,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 356. [2024-10-13 08:04:05,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 268 states have (on average 1.3843283582089552) internal successors, (371), 268 states have internal predecessors, (371), 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) [2024-10-13 08:04:05,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 506 transitions. [2024-10-13 08:04:05,282 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 506 transitions. Word has length 69 [2024-10-13 08:04:05,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:04:05,282 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 506 transitions. [2024-10-13 08:04:05,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 08:04:05,283 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 506 transitions. [2024-10-13 08:04:05,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-13 08:04:05,285 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:04:05,286 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-13 08:04:05,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 08:04:05,286 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:04:05,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:04:05,287 INFO L85 PathProgramCache]: Analyzing trace with hash -745776760, now seen corresponding path program 1 times [2024-10-13 08:04:05,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:04:05,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958589094] [2024-10-13 08:04:05,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:04:05,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:04:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:05,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:04:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:05,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:04:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:05,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 08:04:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:05,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:04:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:05,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 08:04:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:05,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 08:04:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:05,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:04:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:05,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 08:04:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:05,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 08:04:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:05,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:04:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:05,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 08:04:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:05,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:04:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:05,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:04:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:05,531 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-13 08:04:05,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:04:05,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958589094] [2024-10-13 08:04:05,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958589094] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:04:05,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:04:05,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:04:05,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176553402] [2024-10-13 08:04:05,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:04:05,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:04:05,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:04:05,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:04:05,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:04:05,537 INFO L87 Difference]: Start difference. First operand 356 states and 506 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-13 08:04:06,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:04:06,089 INFO L93 Difference]: Finished difference Result 997 states and 1424 transitions. [2024-10-13 08:04:06,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 08:04:06,090 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (13), 4 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 88 [2024-10-13 08:04:06,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:04:06,095 INFO L225 Difference]: With dead ends: 997 [2024-10-13 08:04:06,095 INFO L226 Difference]: Without dead ends: 652 [2024-10-13 08:04:06,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 08:04:06,098 INFO L432 NwaCegarLoop]: 355 mSDtfsCounter, 434 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 08:04:06,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 896 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 08:04:06,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2024-10-13 08:04:06,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 637. [2024-10-13 08:04:06,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 487 states have (on average 1.3901437371663243) internal successors, (677), 487 states have internal predecessors, (677), 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) [2024-10-13 08:04:06,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 904 transitions. [2024-10-13 08:04:06,140 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 904 transitions. Word has length 88 [2024-10-13 08:04:06,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:04:06,140 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 904 transitions. [2024-10-13 08:04:06,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-13 08:04:06,141 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 904 transitions. [2024-10-13 08:04:06,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-13 08:04:06,145 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:04:06,146 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-13 08:04:06,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 08:04:06,146 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:04:06,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:04:06,146 INFO L85 PathProgramCache]: Analyzing trace with hash -642719225, now seen corresponding path program 1 times [2024-10-13 08:04:06,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:04:06,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565876135] [2024-10-13 08:04:06,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:04:06,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:04:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:06,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:04:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:06,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:04:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:06,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 08:04:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:06,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:04:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:06,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 08:04:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:06,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 08:04:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:06,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 08:04:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:06,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 08:04:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:06,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 08:04:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:06,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 08:04:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:06,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 08:04:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:06,438 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-13 08:04:06,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:04:06,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565876135] [2024-10-13 08:04:06,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565876135] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 08:04:06,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385694960] [2024-10-13 08:04:06,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:04:06,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 08:04:06,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 08:04:06,444 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) [2024-10-13 08:04:06,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 08:04:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:06,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 08:04:06,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 08:04:06,820 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-13 08:04:06,820 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 08:04:06,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385694960] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:04:06,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 08:04:06,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-10-13 08:04:06,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282702891] [2024-10-13 08:04:06,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:04:06,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 08:04:06,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:04:06,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 08:04:06,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-13 08:04:06,829 INFO L87 Difference]: Start difference. First operand 637 states and 904 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, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-10-13 08:04:06,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:04:06,909 INFO L93 Difference]: Finished difference Result 642 states and 910 transitions. [2024-10-13 08:04:06,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 08:04:06,910 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, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 83 [2024-10-13 08:04:06,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:04:06,914 INFO L225 Difference]: With dead ends: 642 [2024-10-13 08:04:06,915 INFO L226 Difference]: Without dead ends: 639 [2024-10-13 08:04:06,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-13 08:04:06,916 INFO L432 NwaCegarLoop]: 385 mSDtfsCounter, 0 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 08:04:06,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 765 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 08:04:06,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2024-10-13 08:04:06,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 639. [2024-10-13 08:04:06,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 489 states have (on average 1.3885480572597138) internal successors, (679), 489 states have internal predecessors, (679), 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) [2024-10-13 08:04:06,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 906 transitions. [2024-10-13 08:04:06,964 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 906 transitions. Word has length 83 [2024-10-13 08:04:06,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:04:06,965 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 906 transitions. [2024-10-13 08:04:06,966 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, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-10-13 08:04:06,966 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 906 transitions. [2024-10-13 08:04:06,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-13 08:04:06,969 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:04:06,969 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-13 08:04:06,990 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 08:04:07,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 08:04:07,171 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:04:07,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:04:07,171 INFO L85 PathProgramCache]: Analyzing trace with hash 842930331, now seen corresponding path program 1 times [2024-10-13 08:04:07,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:04:07,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833926891] [2024-10-13 08:04:07,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:04:07,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:04:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:07,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:04:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:07,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:04:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:07,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 08:04:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:07,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:04:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:07,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 08:04:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:07,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 08:04:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:07,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 08:04:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:07,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 08:04:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:07,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 08:04:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:07,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 08:04:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:07,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 08:04:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:07,378 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-13 08:04:07,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:04:07,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833926891] [2024-10-13 08:04:07,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833926891] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 08:04:07,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025598915] [2024-10-13 08:04:07,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:04:07,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 08:04:07,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 08:04:07,381 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) [2024-10-13 08:04:07,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 08:04:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:07,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 08:04:07,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 08:04:07,689 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-13 08:04:07,689 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 08:04:07,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025598915] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:04:07,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 08:04:07,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2024-10-13 08:04:07,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314789512] [2024-10-13 08:04:07,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:04:07,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 08:04:07,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:04:07,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 08:04:07,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 08:04:07,693 INFO L87 Difference]: Start difference. First operand 639 states and 906 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-10-13 08:04:07,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:04:07,863 INFO L93 Difference]: Finished difference Result 1479 states and 2134 transitions. [2024-10-13 08:04:07,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 08:04:07,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 85 [2024-10-13 08:04:07,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:04:07,869 INFO L225 Difference]: With dead ends: 1479 [2024-10-13 08:04:07,869 INFO L226 Difference]: Without dead ends: 851 [2024-10-13 08:04:07,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 08:04:07,872 INFO L432 NwaCegarLoop]: 366 mSDtfsCounter, 125 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 08:04:07,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 708 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 08:04:07,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2024-10-13 08:04:07,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 757. [2024-10-13 08:04:07,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 593 states have (on average 1.4080944350758853) internal successors, (835), 593 states have internal predecessors, (835), 128 states have call successors, (128), 36 states have call predecessors, (128), 35 states have return successors, (127), 127 states have call predecessors, (127), 127 states have call successors, (127) [2024-10-13 08:04:07,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1090 transitions. [2024-10-13 08:04:07,911 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1090 transitions. Word has length 85 [2024-10-13 08:04:07,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:04:07,912 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 1090 transitions. [2024-10-13 08:04:07,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-10-13 08:04:07,912 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1090 transitions. [2024-10-13 08:04:07,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-13 08:04:07,914 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:04:07,914 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:04:07,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 08:04:08,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 08:04:08,115 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:04:08,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:04:08,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1967102249, now seen corresponding path program 1 times [2024-10-13 08:04:08,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:04:08,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246773379] [2024-10-13 08:04:08,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:04:08,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:04:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:08,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:04:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:08,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:04:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:08,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:04:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:08,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:04:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:08,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-13 08:04:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:08,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 08:04:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:08,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:04:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:08,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 08:04:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:08,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 08:04:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:08,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:04:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:08,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 08:04:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:08,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 08:04:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:08,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:04:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:08,458 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-13 08:04:08,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:04:08,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246773379] [2024-10-13 08:04:08,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246773379] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 08:04:08,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224963425] [2024-10-13 08:04:08,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:04:08,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 08:04:08,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 08:04:08,461 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 08:04:08,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 08:04:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:04:08,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 08:04:08,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 08:04:08,975 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-10-13 08:04:08,975 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 08:04:08,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224963425] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:04:08,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 08:04:08,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2024-10-13 08:04:08,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67235500] [2024-10-13 08:04:08,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:04:08,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 08:04:08,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:04:08,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 08:04:08,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-13 08:04:08,978 INFO L87 Difference]: Start difference. First operand 757 states and 1090 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-10-13 08:04:09,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:04:09,067 INFO L93 Difference]: Finished difference Result 1490 states and 2160 transitions. [2024-10-13 08:04:09,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 08:04:09,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 101 [2024-10-13 08:04:09,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:04:09,069 INFO L225 Difference]: With dead ends: 1490 [2024-10-13 08:04:09,069 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 08:04:09,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-13 08:04:09,073 INFO L432 NwaCegarLoop]: 373 mSDtfsCounter, 336 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 08:04:09,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 746 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 08:04:09,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 08:04:09,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 08:04:09,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 08:04:09,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 08:04:09,075 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 101 [2024-10-13 08:04:09,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:04:09,075 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 08:04:09,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-10-13 08:04:09,075 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 08:04:09,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 08:04:09,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-13 08:04:09,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 08:04:09,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 08:04:09,282 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-13 08:04:09,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 08:04:09,936 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 08:04:09,953 WARN L155 FloydHoareUtils]: Requires clause for kfree contained old-variable. Original clause: (= |old(#valid)| |#valid|) Eliminated clause: true [2024-10-13 08:04:09,954 WARN L155 FloydHoareUtils]: Requires clause for pnp_get_resource contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= ~ldv_spin~0 0) (= |old(#valid)| |#valid|)) Eliminated clause: (= ~ldv_spin~0 0) [2024-10-13 08:04:09,957 WARN L155 FloydHoareUtils]: Requires clause for __request_region contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= ~ldv_spin~0 0) (= |old(#valid)| |#valid|)) Eliminated clause: (= ~ldv_spin~0 0) [2024-10-13 08:04:09,958 WARN L155 FloydHoareUtils]: Requires clause for gameport_free_port contained old-variable. Original clause: (and (= ~ldv_spin~0 0) (= |old(#valid)| |#valid|)) Eliminated clause: (= ~ldv_spin~0 0) [2024-10-13 08:04:09,959 WARN L155 FloydHoareUtils]: Requires clause for ldv_malloc contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= ~ldv_spin~0 0) (= |old(#valid)| |#valid|)) Eliminated clause: (= ~ldv_spin~0 0) [2024-10-13 08:04:09,960 WARN L155 FloydHoareUtils]: Requires clause for ldv_zalloc contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0) (= |old(#valid)| |#valid|) (= |#memory_int#3| |old(#memory_int#3)|)) Eliminated clause: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2024-10-13 08:04:09,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:04:09 BoogieIcfgContainer [2024-10-13 08:04:09,962 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 08:04:09,963 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 08:04:09,963 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 08:04:09,963 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 08:04:09,965 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:04:02" (3/4) ... [2024-10-13 08:04:09,968 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 08:04:09,972 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __list_add [2024-10-13 08:04:09,972 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2024-10-13 08:04:09,972 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __release_region [2024-10-13 08:04:09,972 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-10-13 08:04:09,972 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pnp_get_resource [2024-10-13 08:04:09,972 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-10-13 08:04:09,972 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-13 08:04:09,973 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_allocate_port [2024-10-13 08:04:09,973 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure msleep [2024-10-13 08:04:09,973 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pnp_resource_valid [2024-10-13 08:04:09,974 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __request_region [2024-10-13 08:04:09,974 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_set_name [2024-10-13 08:04:09,974 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_free_port [2024-10-13 08:04:09,974 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-10-13 08:04:09,974 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-10-13 08:04:09,974 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-10-13 08:04:09,974 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2024-10-13 08:04:09,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-10-13 08:04:09,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure inb [2024-10-13 08:04:09,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_set_phys [2024-10-13 08:04:09,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __gameport_register_port [2024-10-13 08:04:09,997 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 91 nodes and edges [2024-10-13 08:04:09,999 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2024-10-13 08:04:10,001 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-10-13 08:04:10,002 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-13 08:04:10,004 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 08:04:10,242 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 08:04:10,243 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 08:04:10,243 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 08:04:10,243 INFO L158 Benchmark]: Toolchain (without parser) took 10039.35ms. Allocated memory was 151.0MB in the beginning and 302.0MB in the end (delta: 151.0MB). Free memory was 93.7MB in the beginning and 105.5MB in the end (delta: -11.8MB). Peak memory consumption was 140.3MB. Max. memory is 16.1GB. [2024-10-13 08:04:10,244 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 110.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 08:04:10,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 878.00ms. Allocated memory was 151.0MB in the beginning and 228.6MB in the end (delta: 77.6MB). Free memory was 93.4MB in the beginning and 172.9MB in the end (delta: -79.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-10-13 08:04:10,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.73ms. Allocated memory is still 228.6MB. Free memory was 172.9MB in the beginning and 164.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-13 08:04:10,245 INFO L158 Benchmark]: Boogie Preprocessor took 182.84ms. Allocated memory is still 228.6MB. Free memory was 164.5MB in the beginning and 151.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 08:04:10,245 INFO L158 Benchmark]: RCFGBuilder took 1577.93ms. Allocated memory is still 228.6MB. Free memory was 151.9MB in the beginning and 155.7MB in the end (delta: -3.7MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. [2024-10-13 08:04:10,245 INFO L158 Benchmark]: TraceAbstraction took 6985.71ms. Allocated memory was 228.6MB in the beginning and 302.0MB in the end (delta: 73.4MB). Free memory was 155.7MB in the beginning and 141.2MB in the end (delta: 14.5MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. [2024-10-13 08:04:10,245 INFO L158 Benchmark]: Witness Printer took 280.19ms. Allocated memory is still 302.0MB. Free memory was 141.2MB in the beginning and 105.5MB in the end (delta: 35.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-10-13 08:04:10,247 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 110.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 878.00ms. Allocated memory was 151.0MB in the beginning and 228.6MB in the end (delta: 77.6MB). Free memory was 93.4MB in the beginning and 172.9MB in the end (delta: -79.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.73ms. Allocated memory is still 228.6MB. Free memory was 172.9MB in the beginning and 164.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 182.84ms. Allocated memory is still 228.6MB. Free memory was 164.5MB in the beginning and 151.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1577.93ms. Allocated memory is still 228.6MB. Free memory was 151.9MB in the beginning and 155.7MB in the end (delta: -3.7MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6985.71ms. Allocated memory was 228.6MB in the beginning and 302.0MB in the end (delta: 73.4MB). Free memory was 155.7MB in the beginning and 141.2MB in the end (delta: 14.5MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. * Witness Printer took 280.19ms. Allocated memory is still 302.0MB. Free memory was 141.2MB in the beginning and 105.5MB in the end (delta: 35.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 1449]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [1449] - GenericResultAtLocation [Line: 1457]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [1457] * 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: 1533]: 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 22 procedures, 309 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1178 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1110 mSDsluCounter, 4882 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2665 mSDsCounter, 438 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1023 IncrementalHoareTripleChecker+Invalid, 1461 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 438 mSolverCounterUnsat, 2217 mSDtfsCounter, 1023 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 424 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=757occurred in iteration=5, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 145 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 762 NumberOfCodeBlocks, 762 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 753 ConstructedInterpolants, 0 QuantifiedInterpolants, 1245 SizeOfPredicates, 1 NumberOfNonLiveVariables, 3122 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 280/284 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1693]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 1593]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 1693]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 1536]: Location Invariant Derived location invariant: 1 - ProcedureContractResult [Line: 2129]: Procedure Contract for __list_add Derived contract for procedure __list_add. Requires: (ldv_spin == 0) Ensures: (ldv_spin == 0) - ProcedureContractResult [Line: 1446]: Procedure Contract for outb Derived contract for procedure outb. Requires: (ldv_spin == 0) Ensures: (ldv_spin == 0) - ProcedureContractResult [Line: 2163]: Procedure Contract for pnp_get_resource Derived contract for procedure pnp_get_resource. Requires: (ldv_spin == 0) Ensures: (ldv_spin == 0) - ProcedureContractResult [Line: 2174]: Procedure Contract for printk Derived contract for procedure printk. Requires: (ldv_spin == 0) Ensures: (ldv_spin == 0) - ProcedureContractResult [Line: 1476]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (ldv_spin == 0) Ensures: (ldv_spin == 0) - ProcedureContractResult [Line: 1576]: Procedure Contract for gameport_allocate_port Derived contract for procedure gameport_allocate_port. Requires: (ldv_spin == 0) Ensures: (ldv_spin == 0) - ProcedureContractResult [Line: 2160]: Procedure Contract for msleep Derived contract for procedure msleep. Requires: (ldv_spin == 0) Ensures: (ldv_spin == 0) - ProcedureContractResult [Line: 1601]: Procedure Contract for pnp_resource_valid Derived contract for procedure pnp_resource_valid. Requires: (ldv_spin == 0) Ensures: (ldv_spin == 0) - ProcedureContractResult [Line: 2135]: Procedure Contract for __request_region Derived contract for procedure __request_region. Requires: (ldv_spin == 0) Ensures: (ldv_spin == 0) - ProcedureContractResult [Line: 1593]: Procedure Contract for gameport_set_name Derived contract for procedure gameport_set_name. Requires: (ldv_spin == 0) Ensures: (ldv_spin == 0) - ProcedureContractResult [Line: 1586]: Procedure Contract for gameport_free_port Derived contract for procedure gameport_free_port. Requires: (ldv_spin == 0) Ensures: (ldv_spin == 0) - ProcedureContractResult [Line: 1479]: Procedure Contract for ldv_malloc Derived contract for procedure ldv_malloc. Requires: (ldv_spin == 0) Ensures: (ldv_spin == 0) - ProcedureContractResult [Line: 1529]: Procedure Contract for ldv_error Derived contract for procedure ldv_error. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 2057]: Procedure Contract for kzalloc Derived contract for procedure kzalloc. Requires: (ldv_spin == 0) Ensures: (ldv_spin == 0) - ProcedureContractResult [Line: 1496]: Procedure Contract for ldv_zalloc Derived contract for procedure ldv_zalloc. Requires: ((ldv_spin == 0) && (ldv_state_variable_1 == 0)) Ensures: ((ldv_spin == 0) && (ldv_state_variable_1 == 0)) - ProcedureContractResult [Line: 1453]: Procedure Contract for inb Derived contract for procedure inb. Requires: (ldv_spin == 0) Ensures: (ldv_spin == 0) - ProcedureContractResult [Line: 2138]: Procedure Contract for gameport_set_phys Derived contract for procedure gameport_set_phys. Requires: (ldv_spin == 0) Ensures: (ldv_spin == 0) - ProcedureContractResult [Line: 2126]: Procedure Contract for __gameport_register_port Derived contract for procedure __gameport_register_port. Requires: (ldv_spin == 0) Ensures: (ldv_spin == 0) RESULT: Ultimate proved your program to be correct! [2024-10-13 08:04:10,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE