/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-356b6ba-m [2024-11-01 19:20:17,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 19:20:17,575 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 19:20:17,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 19:20:17,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 19:20:17,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 19:20:17,621 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 19:20:17,622 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 19:20:17,622 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 19:20:17,623 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 19:20:17,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 19:20:17,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 19:20:17,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 19:20:17,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 19:20:17,626 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 19:20:17,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 19:20:17,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 19:20:17,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 19:20:17,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 19:20:17,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 19:20:17,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 19:20:17,632 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 19:20:17,633 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 19:20:17,633 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 19:20:17,633 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 19:20:17,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 19:20:17,634 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 19:20:17,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 19:20:17,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 19:20:17,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 19:20:17,635 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 19:20:17,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 19:20:17,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 19:20:17,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 19:20:17,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 19:20:17,640 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 19:20:17,640 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 19:20:17,641 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 19:20:17,641 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 19:20:17,641 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 19:20:17,642 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 19:20:17,643 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 19:20:17,643 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-01 19:20:18,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 19:20:18,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 19:20:18,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 19:20:18,084 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 19:20:18,084 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 19:20:18,086 INFO L431 ainManager$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 [2024-11-01 19:20:19,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 19:20:20,141 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 19:20:20,142 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 [2024-11-01 19:20:20,172 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b79bab904/c80fbc564f1845f39344e58daee7ffb2/FLAG44301631e [2024-11-01 19:20:20,400 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b79bab904/c80fbc564f1845f39344e58daee7ffb2 [2024-11-01 19:20:20,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 19:20:20,405 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 19:20:20,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 19:20:20,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 19:20:20,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 19:20:20,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 07:20:20" (1/1) ... [2024-11-01 19:20:20,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d83402c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:20:20, skipping insertion in model container [2024-11-01 19:20:20,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 07:20:20" (1/1) ... [2024-11-01 19:20:20,484 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 19:20:20,890 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2024-11-01 19:20:20,891 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2024-11-01 19:20:21,015 WARN L251 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] [2024-11-01 19:20:21,053 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:20:21,057 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:20:21,124 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:20:21,126 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:20:21,148 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:20:21,150 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:20:21,166 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:20:21,177 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:20:21,177 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:20:21,201 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:20:21,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 19:20:21,264 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 19:20:21,321 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2024-11-01 19:20:21,322 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2024-11-01 19:20:21,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [1449] [2024-11-01 19:20:21,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [1457] [2024-11-01 19:20:21,338 WARN L251 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] [2024-11-01 19:20:21,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 19:20:21,480 INFO L204 MainTranslator]: Completed translation [2024-11-01 19:20:21,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:20:21 WrapperNode [2024-11-01 19:20:21,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 19:20:21,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 19:20:21,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 19:20:21,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 19:20:21,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:20:21" (1/1) ... [2024-11-01 19:20:21,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:20:21" (1/1) ... [2024-11-01 19:20:21,619 INFO L138 Inliner]: procedures = 85, calls = 395, calls flagged for inlining = 27, calls inlined = 25, statements flattened = 862 [2024-11-01 19:20:21,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 19:20:21,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 19:20:21,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 19:20:21,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 19:20:21,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:20:21" (1/1) ... [2024-11-01 19:20:21,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:20:21" (1/1) ... [2024-11-01 19:20:21,652 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:20:21" (1/1) ... [2024-11-01 19:20:21,730 INFO L175 MemorySlicer]: Split 284 memory accesses to 6 slices as follows [2, 26, 25, 207, 5, 19]. 73 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 2, 0, 6, 0, 0]. The 254 writes are split as follows [0, 11, 25, 201, 0, 17]. [2024-11-01 19:20:21,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:20:21" (1/1) ... [2024-11-01 19:20:21,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:20:21" (1/1) ... [2024-11-01 19:20:21,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:20:21" (1/1) ... [2024-11-01 19:20:21,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:20:21" (1/1) ... [2024-11-01 19:20:21,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:20:21" (1/1) ... [2024-11-01 19:20:21,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:20:21" (1/1) ... [2024-11-01 19:20:21,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 19:20:21,841 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 19:20:21,841 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 19:20:21,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 19:20:21,845 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:20:21" (1/1) ... [2024-11-01 19:20:21,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 19:20:21,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 19:20:21,883 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) [2024-11-01 19:20:21,888 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 [2024-11-01 19:20:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-01 19:20:21,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-01 19:20:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 19:20:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2024-11-01 19:20:21,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2024-11-01 19:20:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-01 19:20:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-01 19:20:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-01 19:20:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-01 19:20:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-01 19:20:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-01 19:20:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-01 19:20:21,914 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-01 19:20:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2024-11-01 19:20:21,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2024-11-01 19:20:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2024-11-01 19:20:21,914 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2024-11-01 19:20:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-01 19:20:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-01 19:20:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-01 19:20:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-01 19:20:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-01 19:20:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-01 19:20:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-01 19:20:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-01 19:20:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-01 19:20:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-01 19:20:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-01 19:20:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-01 19:20:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-01 19:20:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-01 19:20:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-01 19:20:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-01 19:20:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-01 19:20:21,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-01 19:20:21,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-01 19:20:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-01 19:20:21,917 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2024-11-01 19:20:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2024-11-01 19:20:21,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-01 19:20:21,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-01 19:20:21,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-01 19:20:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-01 19:20:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-01 19:20:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-01 19:20:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2024-11-01 19:20:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2024-11-01 19:20:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-01 19:20:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-01 19:20:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-01 19:20:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-01 19:20:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-01 19:20:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-01 19:20:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-01 19:20:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-01 19:20:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-01 19:20:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-01 19:20:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-01 19:20:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-01 19:20:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-01 19:20:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-01 19:20:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-01 19:20:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-01 19:20:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-01 19:20:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-01 19:20:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-01 19:20:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-01 19:20:21,921 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-01 19:20:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 19:20:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 19:20:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-01 19:20:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-01 19:20:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-01 19:20:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-01 19:20:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2024-11-01 19:20:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2024-11-01 19:20:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-01 19:20:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-01 19:20:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-01 19:20:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-01 19:20:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-01 19:20:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-01 19:20:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-01 19:20:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-01 19:20:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-01 19:20:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-01 19:20:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-01 19:20:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-01 19:20:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-01 19:20:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-01 19:20:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-01 19:20:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-01 19:20:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-01 19:20:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-01 19:20:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-01 19:20:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-01 19:20:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-01 19:20:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-01 19:20:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-01 19:20:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-01 19:20:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2024-11-01 19:20:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2024-11-01 19:20:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-01 19:20:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-01 19:20:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 19:20:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 19:20:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-01 19:20:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-01 19:20:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-01 19:20:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-01 19:20:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-01 19:20:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 19:20:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 19:20:22,242 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 19:20:22,245 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 19:20:22,335 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-01 19:20:40,981 INFO L? ?]: Removed 278 outVars from TransFormulas that were not future-live. [2024-11-01 19:20:40,982 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 19:20:41,006 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 19:20:41,007 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-01 19:20:41,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 07:20:41 BoogieIcfgContainer [2024-11-01 19:20:41,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 19:20:41,011 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 19:20:41,011 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 19:20:41,014 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 19:20:41,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 07:20:20" (1/3) ... [2024-11-01 19:20:41,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f3058d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 07:20:41, skipping insertion in model container [2024-11-01 19:20:41,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:20:21" (2/3) ... [2024-11-01 19:20:41,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f3058d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 07:20:41, skipping insertion in model container [2024-11-01 19:20:41,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 07:20:41" (3/3) ... [2024-11-01 19:20:41,019 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 [2024-11-01 19:20:41,037 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 19:20:41,038 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 19:20:41,119 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 19:20:41,125 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;@296d7792, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 19:20:41,125 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 19:20:41,131 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) [2024-11-01 19:20:41,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-01 19:20:41,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:20:41,146 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] [2024-11-01 19:20:41,146 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:20:41,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:20:41,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1688844719, now seen corresponding path program 1 times [2024-11-01 19:20:41,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:20:41,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2102888274] [2024-11-01 19:20:41,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:20:41,164 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:20:41,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:20:41,167 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:20:41,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-01 19:21:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:21:12,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 1953 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-01 19:21:12,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:21:15,846 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-01 19:21:15,847 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:21:24,354 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-01 19:21:24,356 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:21:24,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2102888274] [2024-11-01 19:21:24,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2102888274] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:21:24,357 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:21:24,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2024-11-01 19:21:24,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041109481] [2024-11-01 19:21:24,359 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:21:24,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-01 19:21:24,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:21:24,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-01 19:21:24,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-01 19:21:24,394 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) [2024-11-01 19:21:26,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:21:26,242 INFO L93 Difference]: Finished difference Result 520 states and 717 transitions. [2024-11-01 19:21:26,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-01 19:21:26,246 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 [2024-11-01 19:21:26,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:21:26,256 INFO L225 Difference]: With dead ends: 520 [2024-11-01 19:21:26,256 INFO L226 Difference]: Without dead ends: 246 [2024-11-01 19:21:26,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-01 19:21:26,265 INFO L432 NwaCegarLoop]: 345 mSDtfsCounter, 0 mSDsluCounter, 2394 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2739 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 [2024-11-01 19:21:26,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2739 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-01 19:21:26,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-01 19:21:26,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2024-11-01 19:21:26,316 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) [2024-11-01 19:21:26,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 328 transitions. [2024-11-01 19:21:26,325 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 328 transitions. Word has length 74 [2024-11-01 19:21:26,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:21:26,326 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 328 transitions. [2024-11-01 19:21:26,326 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) [2024-11-01 19:21:26,326 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 328 transitions. [2024-11-01 19:21:26,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-01 19:21:26,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:21:26,335 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] [2024-11-01 19:21:26,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-01 19:21:26,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:21:26,537 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:21:26,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:21:26,538 INFO L85 PathProgramCache]: Analyzing trace with hash 378463321, now seen corresponding path program 1 times [2024-11-01 19:21:26,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:21:26,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [221366672] [2024-11-01 19:21:26,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:21:26,539 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:21:26,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:21:26,541 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:21:26,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-01 19:21:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:21:57,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:21:57,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:21:57,590 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-01 19:21:57,591 INFO L311 TraceCheckSpWp]: Computing backward predicates...