/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 'mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3' -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 15:11:26,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 15:11:26,715 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 15:11:26,722 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 15:11:26,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 15:11:26,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 15:11:26,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 15:11:26,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 15:11:26,757 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 15:11:26,757 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 15:11:26,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 15:11:26,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 15:11:26,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 15:11:26,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 15:11:26,759 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 15:11:26,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 15:11:26,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 15:11:26,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 15:11:26,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 15:11:26,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 15:11:26,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 15:11:26,762 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 15:11:26,762 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 15:11:26,762 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 15:11:26,763 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 15:11:26,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 15:11:26,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 15:11:26,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 15:11:26,764 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 15:11:26,764 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 15:11:26,765 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 15:11:26,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 15:11:26,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 15:11:26,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 15:11:26,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 15:11:26,766 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 15:11:26,766 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 15:11:26,767 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 15:11:26,767 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 15:11:26,767 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 15:11:26,767 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 15:11:26,769 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 15:11:26,769 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:11:27,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 15:11:27,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 15:11:27,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 15:11:27,122 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 15:11:27,123 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 15:11:27,124 INFO L431 ainManager$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 15:11:28,625 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 15:11:29,031 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 15:11:29,031 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 15:11:29,060 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de2fc9d9d/b31a24a0c2d04d5cb87040c84e1d86cb/FLAG1577eafcb [2024-11-01 15:11:29,234 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de2fc9d9d/b31a24a0c2d04d5cb87040c84e1d86cb [2024-11-01 15:11:29,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 15:11:29,240 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 15:11:29,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 15:11:29,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 15:11:29,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 15:11:29,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 03:11:29" (1/1) ... [2024-11-01 15:11:29,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e2e2b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:11:29, skipping insertion in model container [2024-11-01 15:11:29,249 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 03:11:29" (1/1) ... [2024-11-01 15:11:29,321 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 15:11:29,706 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 15:11:29,707 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 15:11:29,834 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 15:11:29,874 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 15:11:29,878 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 15:11:29,959 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 15:11:29,964 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 15:11:29,985 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 15:11:29,987 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 15:11:30,021 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 15:11:30,038 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 15:11:30,039 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 15:11:30,084 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 15:11:30,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 15:11:30,141 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 15:11:30,198 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 15:11:30,198 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 15:11:30,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [1449] [2024-11-01 15:11:30,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [1457] [2024-11-01 15:11:30,219 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 15:11:30,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 15:11:30,326 INFO L204 MainTranslator]: Completed translation [2024-11-01 15:11:30,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:11:30 WrapperNode [2024-11-01 15:11:30,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 15:11:30,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 15:11:30,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 15:11:30,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 15:11:30,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:11:30" (1/1) ... [2024-11-01 15:11:30,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:11:30" (1/1) ... [2024-11-01 15:11:30,441 INFO L138 Inliner]: procedures = 85, calls = 395, calls flagged for inlining = 27, calls inlined = 25, statements flattened = 862 [2024-11-01 15:11:30,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 15:11:30,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 15:11:30,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 15:11:30,444 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 15:11:30,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:11:30" (1/1) ... [2024-11-01 15:11:30,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:11:30" (1/1) ... [2024-11-01 15:11:30,473 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:11:30" (1/1) ... [2024-11-01 15:11:30,540 INFO L175 MemorySlicer]: Split 284 memory accesses to 6 slices as follows [2, 25, 207, 26, 19, 5]. 73 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 0, 6, 2, 0, 0]. The 254 writes are split as follows [0, 25, 201, 11, 17, 0]. [2024-11-01 15:11:30,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:11:30" (1/1) ... [2024-11-01 15:11:30,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:11:30" (1/1) ... [2024-11-01 15:11:30,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:11:30" (1/1) ... [2024-11-01 15:11:30,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:11:30" (1/1) ... [2024-11-01 15:11:30,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:11:30" (1/1) ... [2024-11-01 15:11:30,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:11:30" (1/1) ... [2024-11-01 15:11:30,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 15:11:30,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 15:11:30,640 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 15:11:30,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 15:11:30,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:11:30" (1/1) ... [2024-11-01 15:11:30,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 15:11:30,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 15:11:30,671 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 15:11:30,679 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 15:11:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-01 15:11:30,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-01 15:11:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 15:11:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2024-11-01 15:11:30,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2024-11-01 15:11:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-01 15:11:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-01 15:11:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-01 15:11:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-01 15:11:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-01 15:11:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-01 15:11:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-01 15:11:30,705 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-01 15:11:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2024-11-01 15:11:30,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2024-11-01 15:11:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2024-11-01 15:11:30,707 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2024-11-01 15:11:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-01 15:11:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-01 15:11:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-01 15:11:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-01 15:11:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-01 15:11:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-01 15:11:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-01 15:11:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-01 15:11:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-01 15:11:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-01 15:11:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-01 15:11:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-01 15:11:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-01 15:11:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-01 15:11:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-01 15:11:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-01 15:11:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-01 15:11:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-01 15:11:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-01 15:11:30,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-01 15:11:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2024-11-01 15:11:30,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2024-11-01 15:11:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-01 15:11:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-01 15:11:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-01 15:11:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-01 15:11:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-01 15:11:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-01 15:11:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2024-11-01 15:11:30,712 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2024-11-01 15:11:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-01 15:11:30,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-01 15:11:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-01 15:11:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-01 15:11:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-01 15:11:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-01 15:11:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-01 15:11:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-01 15:11:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-01 15:11:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-01 15:11:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-01 15:11:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-01 15:11:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-01 15:11:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-01 15:11:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-01 15:11:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-01 15:11:30,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-01 15:11:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-01 15:11:30,716 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-01 15:11:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-01 15:11:30,716 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-01 15:11:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 15:11:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 15:11:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-01 15:11:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-01 15:11:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-01 15:11:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-01 15:11:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2024-11-01 15:11:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2024-11-01 15:11:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-01 15:11:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-01 15:11:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-01 15:11:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-01 15:11:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-01 15:11:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-01 15:11:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-01 15:11:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-01 15:11:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-01 15:11:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-01 15:11:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-01 15:11:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-01 15:11:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-01 15:11:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-01 15:11:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-01 15:11:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-01 15:11:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-01 15:11:30,719 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-01 15:11:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-01 15:11:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-01 15:11:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-01 15:11:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-01 15:11:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-01 15:11:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-01 15:11:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2024-11-01 15:11:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2024-11-01 15:11:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-01 15:11:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-01 15:11:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 15:11:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 15:11:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-01 15:11:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-01 15:11:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-01 15:11:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-01 15:11:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-01 15:11:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 15:11:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 15:11:31,055 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 15:11:31,058 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 15:11:31,132 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-01 15:11:49,557 INFO L? ?]: Removed 278 outVars from TransFormulas that were not future-live. [2024-11-01 15:11:49,558 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 15:11:49,578 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 15:11:49,578 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-01 15:11:49,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 03:11:49 BoogieIcfgContainer [2024-11-01 15:11:49,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 15:11:49,581 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 15:11:49,581 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 15:11:49,584 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 15:11:49,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 03:11:29" (1/3) ... [2024-11-01 15:11:49,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b63b522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 03:11:49, skipping insertion in model container [2024-11-01 15:11:49,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:11:30" (2/3) ... [2024-11-01 15:11:49,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b63b522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 03:11:49, skipping insertion in model container [2024-11-01 15:11:49,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 03:11:49" (3/3) ... [2024-11-01 15:11:49,586 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 15:11:49,602 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 15:11:49,602 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 15:11:49,678 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 15:11:49,687 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;@22ba16f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 15:11:49,688 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 15:11:49,693 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 15:11:49,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-01 15:11:49,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:11:49,710 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 15:11:49,711 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:11:49,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:11:49,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1688844719, now seen corresponding path program 1 times [2024-11-01 15:11:49,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:11:49,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [632081957] [2024-11-01 15:11:49,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:11:49,731 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:11:49,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:11:49,734 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-01 15:11:49,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-01 15:12:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:12:22,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 1953 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-01 15:12:22,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:12:25,510 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 15:12:25,510 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:12:33,165 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 15:12:33,166 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:12:33,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [632081957] [2024-11-01 15:12:33,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [632081957] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:12:33,167 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:12:33,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2024-11-01 15:12:33,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429687747] [2024-11-01 15:12:33,169 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:12:33,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-01 15:12:33,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:12:33,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-01 15:12:33,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-01 15:12:33,195 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 15:12:34,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:12:34,931 INFO L93 Difference]: Finished difference Result 520 states and 717 transitions. [2024-11-01 15:12:34,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-01 15:12:34,937 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 15:12:34,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:12:34,947 INFO L225 Difference]: With dead ends: 520 [2024-11-01 15:12:34,947 INFO L226 Difference]: Without dead ends: 246 [2024-11-01 15:12:34,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-01 15:12:34,955 INFO L432 NwaCegarLoop]: 345 mSDtfsCounter, 0 mSDsluCounter, 2394 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.6s IncrementalHoareTripleChecker+Time [2024-11-01 15:12:34,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2739 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-01 15:12:34,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-01 15:12:35,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2024-11-01 15:12:35,003 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 15:12:35,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 328 transitions. [2024-11-01 15:12:35,009 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 328 transitions. Word has length 74 [2024-11-01 15:12:35,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:12:35,009 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 328 transitions. [2024-11-01 15:12:35,010 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 15:12:35,010 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 328 transitions. [2024-11-01 15:12:35,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-01 15:12:35,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:12:35,014 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 15:12:35,066 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-01 15:12:35,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:12:35,215 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:12:35,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:12:35,216 INFO L85 PathProgramCache]: Analyzing trace with hash 378463321, now seen corresponding path program 1 times [2024-11-01 15:12:35,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:12:35,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1221137742] [2024-11-01 15:12:35,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:12:35,216 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:12:35,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:12:35,218 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-01 15:12:35,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-01 15:13:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat