/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/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 -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 03:01:27,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 03:01:28,023 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 03:01:28,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 03:01:28,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 03:01:28,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 03:01:28,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 03:01:28,070 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 03:01:28,070 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 03:01:28,071 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 03:01:28,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 03:01:28,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 03:01:28,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 03:01:28,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 03:01:28,075 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 03:01:28,075 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 03:01:28,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 03:01:28,076 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 03:01:28,076 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 03:01:28,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 03:01:28,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 03:01:28,084 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 03:01:28,084 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 03:01:28,084 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 03:01:28,085 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 03:01:28,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 03:01:28,085 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 03:01:28,085 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 03:01:28,086 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 03:01:28,086 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 03:01:28,086 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 03:01:28,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 03:01:28,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 03:01:28,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 03:01:28,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 03:01:28,088 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 03:01:28,088 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 03:01:28,089 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 03:01:28,089 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 03:01:28,089 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 03:01:28,089 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 03:01:28,091 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-06 03:01:28,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 03:01:28,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 03:01:28,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 03:01:28,388 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 03:01:28,388 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 03:01:28,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2024-11-06 03:01:29,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 03:01:30,356 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 03:01:30,356 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2024-11-06 03:01:30,388 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e6724baa/e2283342590a485bad8f85c53640325b/FLAG6800a8068 [2024-11-06 03:01:30,571 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e6724baa/e2283342590a485bad8f85c53640325b [2024-11-06 03:01:30,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 03:01:30,576 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 03:01:30,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 03:01:30,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 03:01:30,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 03:01:30,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 03:01:30" (1/1) ... [2024-11-06 03:01:30,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6945d25b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:01:30, skipping insertion in model container [2024-11-06 03:01:30,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 03:01:30" (1/1) ... [2024-11-06 03:01:30,658 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 03:01:31,008 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2024-11-06 03:01:31,009 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2024-11-06 03:01:31,142 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i[42973,42986] [2024-11-06 03:01:31,190 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:01:31,195 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:01:31,274 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:01:31,276 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:01:31,301 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:01:31,306 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:01:31,343 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:01:31,355 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:01:31,356 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:01:31,400 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:01:31,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 03:01:31,466 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 03:01:31,595 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2024-11-06 03:01:31,595 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2024-11-06 03:01:31,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [1449] [2024-11-06 03:01:31,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [1457] [2024-11-06 03:01:31,616 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i[42973,42986] [2024-11-06 03:01:31,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 03:01:31,735 INFO L204 MainTranslator]: Completed translation [2024-11-06 03:01:31,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:01:31 WrapperNode [2024-11-06 03:01:31,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 03:01:31,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 03:01:31,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 03:01:31,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 03:01:31,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:01:31" (1/1) ... [2024-11-06 03:01:31,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:01:31" (1/1) ... [2024-11-06 03:01:31,878 INFO L138 Inliner]: procedures = 85, calls = 395, calls flagged for inlining = 27, calls inlined = 25, statements flattened = 862 [2024-11-06 03:01:31,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 03:01:31,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 03:01:31,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 03:01:31,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 03:01:31,895 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:01:31" (1/1) ... [2024-11-06 03:01:31,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:01:31" (1/1) ... [2024-11-06 03:01:31,916 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:01:31" (1/1) ... [2024-11-06 03:01:31,987 INFO L175 MemorySlicer]: Split 284 memory accesses to 6 slices as follows [207, 2, 25, 26, 5, 19]. 73 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [6, 2, 0, 2, 0, 0]. The 254 writes are split as follows [201, 0, 25, 11, 0, 17]. [2024-11-06 03:01:31,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:01:31" (1/1) ... [2024-11-06 03:01:31,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:01:31" (1/1) ... [2024-11-06 03:01:32,030 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:01:31" (1/1) ... [2024-11-06 03:01:32,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:01:31" (1/1) ... [2024-11-06 03:01:32,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:01:31" (1/1) ... [2024-11-06 03:01:32,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:01:31" (1/1) ... [2024-11-06 03:01:32,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 03:01:32,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 03:01:32,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 03:01:32,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 03:01:32,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:01:31" (1/1) ... [2024-11-06 03:01:32,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 03:01:32,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 03:01:32,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-06 03:01:32,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-06 03:01:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-06 03:01:32,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-06 03:01:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 03:01:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2024-11-06 03:01:32,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2024-11-06 03:01:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 03:01:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 03:01:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 03:01:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 03:01:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 03:01:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-06 03:01:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-06 03:01:32,150 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-06 03:01:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2024-11-06 03:01:32,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2024-11-06 03:01:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2024-11-06 03:01:32,151 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2024-11-06 03:01:32,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 03:01:32,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 03:01:32,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 03:01:32,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 03:01:32,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 03:01:32,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-06 03:01:32,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-06 03:01:32,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-06 03:01:32,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-06 03:01:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-06 03:01:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-06 03:01:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-06 03:01:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 03:01:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 03:01:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 03:01:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 03:01:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 03:01:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-06 03:01:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-06 03:01:32,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-06 03:01:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2024-11-06 03:01:32,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2024-11-06 03:01:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 03:01:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 03:01:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 03:01:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 03:01:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 03:01:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-06 03:01:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2024-11-06 03:01:32,154 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2024-11-06 03:01:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-06 03:01:32,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-06 03:01:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 03:01:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-06 03:01:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-06 03:01:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-06 03:01:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-06 03:01:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-06 03:01:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-06 03:01:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-06 03:01:32,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-06 03:01:32,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-06 03:01:32,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-06 03:01:32,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-06 03:01:32,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-06 03:01:32,158 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-06 03:01:32,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-06 03:01:32,158 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-06 03:01:32,158 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-06 03:01:32,159 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-06 03:01:32,159 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-06 03:01:32,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 03:01:32,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 03:01:32,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 03:01:32,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 03:01:32,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 03:01:32,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 03:01:32,159 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2024-11-06 03:01:32,159 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2024-11-06 03:01:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-06 03:01:32,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-06 03:01:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-06 03:01:32,160 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-06 03:01:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 03:01:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 03:01:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 03:01:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 03:01:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 03:01:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-06 03:01:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-06 03:01:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-06 03:01:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-06 03:01:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-06 03:01:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-06 03:01:32,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-06 03:01:32,163 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-06 03:01:32,163 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-06 03:01:32,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-06 03:01:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-06 03:01:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-06 03:01:32,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-06 03:01:32,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-06 03:01:32,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-06 03:01:32,165 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2024-11-06 03:01:32,165 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2024-11-06 03:01:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-06 03:01:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-06 03:01:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 03:01:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 03:01:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-06 03:01:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-06 03:01:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 03:01:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-06 03:01:32,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-06 03:01:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 03:01:32,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 03:01:32,483 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 03:01:32,487 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 03:01:32,574 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-06 03:01:49,700 INFO L? ?]: Removed 278 outVars from TransFormulas that were not future-live. [2024-11-06 03:01:49,700 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 03:01:49,721 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 03:01:49,721 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-06 03:01:49,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 03:01:49 BoogieIcfgContainer [2024-11-06 03:01:49,722 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 03:01:49,724 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 03:01:49,724 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 03:01:49,730 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 03:01:49,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 03:01:30" (1/3) ... [2024-11-06 03:01:49,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f8f25f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 03:01:49, skipping insertion in model container [2024-11-06 03:01:49,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:01:31" (2/3) ... [2024-11-06 03:01:49,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f8f25f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 03:01:49, skipping insertion in model container [2024-11-06 03:01:49,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 03:01:49" (3/3) ... [2024-11-06 03:01:49,733 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2024-11-06 03:01:49,750 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 03:01:49,751 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 03:01:49,835 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 03:01:49,846 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;@27f17323, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 03:01:49,847 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 03:01:49,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 259 states, 174 states have (on average 1.2816091954022988) internal successors, (223), 180 states have internal predecessors, (223), 63 states have call successors, (63), 21 states have call predecessors, (63), 20 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-06 03:01:49,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-06 03:01:49,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:01:49,872 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:01:49,873 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:01:49,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:01:49,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1688844719, now seen corresponding path program 1 times [2024-11-06 03:01:49,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:01:49,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826394902] [2024-11-06 03:01:49,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:01:49,905 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:01:49,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:01:49,910 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:01:49,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-06 03:02:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:02:21,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 1953 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-06 03:02:21,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:02:25,103 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-06 03:02:25,103 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:02:25,104 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:02:25,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826394902] [2024-11-06 03:02:25,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826394902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:02:25,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:02:25,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 03:02:25,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923002908] [2024-11-06 03:02:25,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:02:25,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 03:02:25,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:02:25,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 03:02:25,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 03:02:25,145 INFO L87 Difference]: Start difference. First operand has 259 states, 174 states have (on average 1.2816091954022988) internal successors, (223), 180 states have internal predecessors, (223), 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 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-06 03:02:26,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:02:26,531 INFO L93 Difference]: Finished difference Result 520 states and 717 transitions. [2024-11-06 03:02:26,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-06 03:02:26,535 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) Word has length 74 [2024-11-06 03:02:26,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:02:26,549 INFO L225 Difference]: With dead ends: 520 [2024-11-06 03:02:26,549 INFO L226 Difference]: Without dead ends: 246 [2024-11-06 03:02:26,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 03:02:26,560 INFO L432 NwaCegarLoop]: 348 mSDtfsCounter, 0 mSDsluCounter, 1725 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2073 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-06 03:02:26,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2073 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-06 03:02:26,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-06 03:02:26,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2024-11-06 03:02:26,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 166 states have (on average 1.2469879518072289) internal successors, (207), 167 states have internal predecessors, (207), 58 states have call successors, (58), 20 states have call predecessors, (58), 21 states have return successors, (63), 59 states have call predecessors, (63), 57 states have call successors, (63) [2024-11-06 03:02:26,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 328 transitions. [2024-11-06 03:02:26,680 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 328 transitions. Word has length 74 [2024-11-06 03:02:26,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:02:26,680 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 328 transitions. [2024-11-06 03:02:26,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-06 03:02:26,681 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 328 transitions. [2024-11-06 03:02:26,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-06 03:02:26,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:02:26,687 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:02:26,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-06 03:02:26,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:02:26,890 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:02:26,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:02:26,890 INFO L85 PathProgramCache]: Analyzing trace with hash 378463321, now seen corresponding path program 1 times [2024-11-06 03:02:26,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:02:26,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1993865221] [2024-11-06 03:02:26,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:02:26,894 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:02:26,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:02:26,897 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:02:26,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-06 03:02:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:02:57,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 03:02:57,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:02:57,316 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-06 03:02:57,317 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:02:57,317 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:02:57,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1993865221] [2024-11-06 03:02:57,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1993865221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:02:57,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:02:57,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 03:02:57,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843228759] [2024-11-06 03:02:57,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:02:57,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 03:02:57,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:02:57,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 03:02:57,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 03:02:57,320 INFO L87 Difference]: Start difference. First operand 246 states and 328 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-06 03:02:58,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:02:58,789 INFO L93 Difference]: Finished difference Result 489 states and 657 transitions. [2024-11-06 03:02:58,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 03:02:58,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 80 [2024-11-06 03:02:58,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:02:58,793 INFO L225 Difference]: With dead ends: 489 [2024-11-06 03:02:58,793 INFO L226 Difference]: Without dead ends: 257 [2024-11-06 03:02:58,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 03:02:58,796 INFO L432 NwaCegarLoop]: 314 mSDtfsCounter, 5 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-06 03:02:58,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 614 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-06 03:02:58,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-06 03:02:58,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 248. [2024-11-06 03:02:58,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 168 states have (on average 1.244047619047619) internal successors, (209), 169 states have internal predecessors, (209), 58 states have call successors, (58), 20 states have call predecessors, (58), 21 states have return successors, (63), 59 states have call predecessors, (63), 57 states have call successors, (63) [2024-11-06 03:02:58,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 330 transitions. [2024-11-06 03:02:58,821 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 330 transitions. Word has length 80 [2024-11-06 03:02:58,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:02:58,821 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 330 transitions. [2024-11-06 03:02:58,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-06 03:02:58,822 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 330 transitions. [2024-11-06 03:02:58,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-06 03:02:58,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:02:58,825 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:02:58,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-06 03:02:59,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:02:59,026 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:02:59,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:02:59,027 INFO L85 PathProgramCache]: Analyzing trace with hash 2117648987, now seen corresponding path program 1 times [2024-11-06 03:02:59,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:02:59,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1623376110] [2024-11-06 03:02:59,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:02:59,029 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:02:59,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:02:59,031 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:02:59,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process