/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -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-b75d321-m [2024-11-05 11:37:44,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 11:37:44,476 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 11:37:44,481 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 11:37:44,481 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 11:37:44,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 11:37:44,509 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 11:37:44,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 11:37:44,510 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 11:37:44,510 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 11:37:44,510 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 11:37:44,511 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 11:37:44,511 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 11:37:44,515 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 11:37:44,515 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 11:37:44,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 11:37:44,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 11:37:44,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 11:37:44,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 11:37:44,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 11:37:44,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 11:37:44,516 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 11:37:44,516 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 11:37:44,517 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 11:37:44,517 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 11:37:44,517 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 11:37:44,517 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 11:37:44,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 11:37:44,517 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 11:37:44,518 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 11:37:44,518 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 11:37:44,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:37:44,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 11:37:44,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 11:37:44,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 11:37:44,519 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 11:37:44,519 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 11:37:44,519 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 11:37:44,519 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 11:37:44,519 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 11:37:44,519 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 11:37:44,520 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 11:37:44,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 11:37:44,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 11:37:44,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 11:37:44,704 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 11:37:44,704 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 11:37:44,705 INFO L431 ainManager$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 [2024-11-05 11:37:45,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 11:37:46,171 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 11:37:46,171 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 [2024-11-05 11:37:46,187 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/188325082/b456464289a8444ebed94a3a880c5dfb/FLAG758e3dbf6 [2024-11-05 11:37:46,197 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/188325082/b456464289a8444ebed94a3a880c5dfb [2024-11-05 11:37:46,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 11:37:46,201 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 11:37:46,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 11:37:46,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 11:37:46,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 11:37:46,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:37:46" (1/1) ... [2024-11-05 11:37:46,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@564f3fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:37:46, skipping insertion in model container [2024-11-05 11:37:46,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:37:46" (1/1) ... [2024-11-05 11:37:46,254 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 11:37:46,494 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2024-11-05 11:37:46,494 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] [2024-11-05 11:37:46,536 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] [2024-11-05 11:37:46,552 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:37:46,555 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:37:46,594 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:37:46,599 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:37:46,613 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:37:46,617 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:37:46,631 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:37:46,638 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:37:46,639 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:37:46,662 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:37:46,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:37:46,702 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 11:37:46,743 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2024-11-05 11:37:46,744 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] [2024-11-05 11:37:46,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [1449] [2024-11-05 11:37:46,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [1457] [2024-11-05 11:37:46,757 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] [2024-11-05 11:37:46,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:37:46,858 INFO L204 MainTranslator]: Completed translation [2024-11-05 11:37:46,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:37:46 WrapperNode [2024-11-05 11:37:46,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 11:37:46,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 11:37:46,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 11:37:46,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 11:37:46,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:37:46" (1/1) ... [2024-11-05 11:37:46,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:37:46" (1/1) ... [2024-11-05 11:37:46,942 INFO L138 Inliner]: procedures = 85, calls = 395, calls flagged for inlining = 27, calls inlined = 25, statements flattened = 862 [2024-11-05 11:37:46,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 11:37:46,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 11:37:46,943 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 11:37:46,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 11:37:46,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:37:46" (1/1) ... [2024-11-05 11:37:46,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:37:46" (1/1) ... [2024-11-05 11:37:46,965 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:37:46" (1/1) ... [2024-11-05 11:37:47,014 INFO L175 MemorySlicer]: Split 284 memory accesses to 6 slices as follows [2, 25, 26, 5, 207, 19]. 73 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 0, 2, 0, 6, 0]. The 254 writes are split as follows [0, 25, 11, 0, 201, 17]. [2024-11-05 11:37:47,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:37:46" (1/1) ... [2024-11-05 11:37:47,015 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:37:46" (1/1) ... [2024-11-05 11:37:47,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:37:46" (1/1) ... [2024-11-05 11:37:47,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:37:46" (1/1) ... [2024-11-05 11:37:47,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:37:46" (1/1) ... [2024-11-05 11:37:47,053 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:37:46" (1/1) ... [2024-11-05 11:37:47,062 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 11:37:47,063 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 11:37:47,064 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 11:37:47,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 11:37:47,064 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:37:46" (1/1) ... [2024-11-05 11:37:47,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:37:47,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 11:37:47,096 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) [2024-11-05 11:37:47,098 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 [2024-11-05 11:37:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-05 11:37:47,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-05 11:37:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 11:37:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2024-11-05 11:37:47,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2024-11-05 11:37:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 11:37:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 11:37:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 11:37:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 11:37:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 11:37:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 11:37:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-05 11:37:47,119 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-05 11:37:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2024-11-05 11:37:47,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2024-11-05 11:37:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2024-11-05 11:37:47,120 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2024-11-05 11:37:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 11:37:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 11:37:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 11:37:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 11:37:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 11:37:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 11:37:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 11:37:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 11:37:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 11:37:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 11:37:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 11:37:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 11:37:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 11:37:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 11:37:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 11:37:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 11:37:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 11:37:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 11:37:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-05 11:37:47,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-05 11:37:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2024-11-05 11:37:47,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2024-11-05 11:37:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 11:37:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 11:37:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 11:37:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 11:37:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 11:37:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 11:37:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2024-11-05 11:37:47,123 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2024-11-05 11:37:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-05 11:37:47,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-05 11:37:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 11:37:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 11:37:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 11:37:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 11:37:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 11:37:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 11:37:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 11:37:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 11:37:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 11:37:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 11:37:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 11:37:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 11:37:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 11:37:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-05 11:37:47,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-05 11:37:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-05 11:37:47,125 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-05 11:37:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-05 11:37:47,126 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-05 11:37:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 11:37:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 11:37:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 11:37:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 11:37:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 11:37:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 11:37:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2024-11-05 11:37:47,126 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2024-11-05 11:37:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 11:37:47,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 11:37:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-05 11:37:47,127 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-05 11:37:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 11:37:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 11:37:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 11:37:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 11:37:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 11:37:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 11:37:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 11:37:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 11:37:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 11:37:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 11:37:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 11:37:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-05 11:37:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-05 11:37:47,128 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-05 11:37:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-05 11:37:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-05 11:37:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-05 11:37:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-05 11:37:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-05 11:37:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-05 11:37:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2024-11-05 11:37:47,128 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2024-11-05 11:37:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-05 11:37:47,129 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-05 11:37:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 11:37:47,129 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 11:37:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-05 11:37:47,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-05 11:37:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 11:37:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-05 11:37:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-05 11:37:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 11:37:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 11:37:47,346 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 11:37:47,348 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 11:37:47,387 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-05 11:38:04,817 INFO L? ?]: Removed 278 outVars from TransFormulas that were not future-live. [2024-11-05 11:38:04,817 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 11:38:04,830 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 11:38:04,830 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 11:38:04,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:38:04 BoogieIcfgContainer [2024-11-05 11:38:04,831 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 11:38:04,832 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 11:38:04,833 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 11:38:04,836 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 11:38:04,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:37:46" (1/3) ... [2024-11-05 11:38:04,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486062e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:38:04, skipping insertion in model container [2024-11-05 11:38:04,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:37:46" (2/3) ... [2024-11-05 11:38:04,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486062e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:38:04, skipping insertion in model container [2024-11-05 11:38:04,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:38:04" (3/3) ... [2024-11-05 11:38:04,838 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 [2024-11-05 11:38:04,850 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 11:38:04,851 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 11:38:04,913 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 11:38:04,917 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;@26925152, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 11:38:04,918 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 11:38:04,921 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) [2024-11-05 11:38:04,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-05 11:38:04,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:38:04,933 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] [2024-11-05 11:38:04,934 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:38:04,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:38:04,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1688844719, now seen corresponding path program 1 times [2024-11-05 11:38:04,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:38:04,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016916728] [2024-11-05 11:38:04,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:38:04,950 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:38:04,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:38:04,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:38:04,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 11:38:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:38:32,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 1953 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-05 11:38:32,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:38:36,860 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-05 11:38:36,860 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:38:45,637 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-05 11:38:45,638 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:38:45,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016916728] [2024-11-05 11:38:45,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1016916728] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:38:45,638 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:38:45,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2024-11-05 11:38:45,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302097184] [2024-11-05 11:38:45,640 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:38:45,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-05 11:38:45,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:38:45,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-05 11:38:45,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-05 11:38:45,662 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 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 8 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (16), 6 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-05 11:38:47,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:38:47,441 INFO L93 Difference]: Finished difference Result 520 states and 717 transitions. [2024-11-05 11:38:47,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-05 11:38:47,449 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 8 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (16), 6 states have call predecessors, (16), 2 states have call successors, (16) Word has length 74 [2024-11-05 11:38:47,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:38:47,458 INFO L225 Difference]: With dead ends: 520 [2024-11-05 11:38:47,458 INFO L226 Difference]: Without dead ends: 246 [2024-11-05 11:38:47,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-05 11:38:47,488 INFO L432 NwaCegarLoop]: 347 mSDtfsCounter, 0 mSDsluCounter, 2408 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2755 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-05 11:38:47,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2755 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-05 11:38:47,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-05 11:38:47,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2024-11-05 11:38:47,568 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) [2024-11-05 11:38:47,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 328 transitions. [2024-11-05 11:38:47,573 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 328 transitions. Word has length 74 [2024-11-05 11:38:47,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:38:47,573 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 328 transitions. [2024-11-05 11:38:47,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 8 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (16), 6 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-05 11:38:47,574 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 328 transitions. [2024-11-05 11:38:47,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-05 11:38:47,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:38:47,577 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] [2024-11-05 11:38:47,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0 [2024-11-05 11:38:47,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:38:47,782 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:38:47,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:38:47,783 INFO L85 PathProgramCache]: Analyzing trace with hash 378463321, now seen corresponding path program 1 times [2024-11-05 11:38:47,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:38:47,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1326960981] [2024-11-05 11:38:47,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:38:47,784 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:38:47,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:38:47,785 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:38:47,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 11:39:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:39:16,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:39:16,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:39:16,486 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-05 11:39:16,487 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:39:19,447 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-05 11:39:19,447 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:39:19,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1326960981] [2024-11-05 11:39:19,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1326960981] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:39:19,448 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:39:19,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 11:39:19,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938987034] [2024-11-05 11:39:19,448 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:39:19,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 11:39:19,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:39:19,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 11:39:19,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:39:19,451 INFO L87 Difference]: Start difference. First operand 246 states and 328 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-05 11:39:22,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:39:22,733 INFO L93 Difference]: Finished difference Result 505 states and 683 transitions. [2024-11-05 11:39:22,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 11:39:22,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2024-11-05 11:39:22,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:39:22,736 INFO L225 Difference]: With dead ends: 505 [2024-11-05 11:39:22,736 INFO L226 Difference]: Without dead ends: 273 [2024-11-05 11:39:22,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:39:22,739 INFO L432 NwaCegarLoop]: 309 mSDtfsCounter, 30 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-05 11:39:22,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 865 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-05 11:39:22,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-05 11:39:22,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 255. [2024-11-05 11:39:22,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 173 states have (on average 1.2427745664739884) internal successors, (215), 174 states have internal predecessors, (215), 60 states have call successors, (60), 20 states have call predecessors, (60), 21 states have return successors, (65), 61 states have call predecessors, (65), 59 states have call successors, (65) [2024-11-05 11:39:22,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 340 transitions. [2024-11-05 11:39:22,755 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 340 transitions. Word has length 80 [2024-11-05 11:39:22,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:39:22,755 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 340 transitions. [2024-11-05 11:39:22,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-05 11:39:22,756 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 340 transitions. [2024-11-05 11:39:22,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-05 11:39:22,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:39:22,758 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] [2024-11-05 11:39:22,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-05 11:39:22,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:39:22,959 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:39:22,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:39:22,959 INFO L85 PathProgramCache]: Analyzing trace with hash 2117648987, now seen corresponding path program 1 times [2024-11-05 11:39:22,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:39:22,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1493868144] [2024-11-05 11:39:22,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:39:22,960 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:39:22,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:39:22,961 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:39:22,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process