/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-b75d321-m [2024-11-05 05:55:39,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 05:55:39,756 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 05:55:39,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 05:55:39,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 05:55:39,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 05:55:39,794 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 05:55:39,794 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 05:55:39,795 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 05:55:39,795 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 05:55:39,795 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 05:55:39,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 05:55:39,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 05:55:39,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 05:55:39,798 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 05:55:39,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 05:55:39,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 05:55:39,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 05:55:39,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 05:55:39,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 05:55:39,804 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 05:55:39,805 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 05:55:39,805 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 05:55:39,805 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 05:55:39,806 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 05:55:39,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 05:55:39,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 05:55:39,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 05:55:39,807 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 05:55:39,807 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 05:55:39,807 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 05:55:39,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 05:55:39,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 05:55:39,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 05:55:39,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 05:55:39,810 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 05:55:39,810 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 05:55:39,810 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 05:55:39,810 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 05:55:39,810 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 05:55:39,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 05:55:39,811 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:55:40,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 05:55:40,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 05:55:40,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 05:55:40,054 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 05:55:40,054 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 05:55:40,055 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2024-11-05 05:55:41,518 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 05:55:41,839 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 05:55:41,840 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2024-11-05 05:55:41,866 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a9e7ae54/77be47c82b2d4dfc8c68eace2373e717/FLAGf7cf4bb14 [2024-11-05 05:55:41,879 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a9e7ae54/77be47c82b2d4dfc8c68eace2373e717 [2024-11-05 05:55:41,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 05:55:41,882 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 05:55:41,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 05:55:41,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 05:55:41,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 05:55:41,889 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 05:55:41" (1/1) ... [2024-11-05 05:55:41,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45371c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:55:41, skipping insertion in model container [2024-11-05 05:55:41,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 05:55:41" (1/1) ... [2024-11-05 05:55:41,961 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 05:55:42,302 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2024-11-05 05:55:42,303 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2024-11-05 05:55:42,390 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i[42973,42986] [2024-11-05 05:55:42,411 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:55:42,413 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:55:42,463 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:55:42,465 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:55:42,488 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:55:42,489 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:55:42,511 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:55:42,519 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:55:42,519 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:55:42,536 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:55:42,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 05:55:42,576 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 05:55:42,651 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2024-11-05 05:55:42,651 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2024-11-05 05:55:42,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [1449] [2024-11-05 05:55:42,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [1457] [2024-11-05 05:55:42,670 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i[42973,42986] [2024-11-05 05:55:42,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 05:55:42,776 INFO L204 MainTranslator]: Completed translation [2024-11-05 05:55:42,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:55:42 WrapperNode [2024-11-05 05:55:42,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 05:55:42,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 05:55:42,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 05:55:42,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 05:55:42,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:55:42" (1/1) ... [2024-11-05 05:55:42,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:55:42" (1/1) ... [2024-11-05 05:55:42,890 INFO L138 Inliner]: procedures = 85, calls = 395, calls flagged for inlining = 27, calls inlined = 25, statements flattened = 862 [2024-11-05 05:55:42,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 05:55:42,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 05:55:42,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 05:55:42,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 05:55:42,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:55:42" (1/1) ... [2024-11-05 05:55:42,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:55:42" (1/1) ... [2024-11-05 05:55:42,917 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:55:42" (1/1) ... [2024-11-05 05:55:42,984 INFO L175 MemorySlicer]: Split 284 memory accesses to 6 slices as follows [2, 207, 25, 5, 26, 19]. 73 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 6, 0, 0, 2, 0]. The 254 writes are split as follows [0, 201, 25, 0, 11, 17]. [2024-11-05 05:55:42,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:55:42" (1/1) ... [2024-11-05 05:55:42,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:55:42" (1/1) ... [2024-11-05 05:55:43,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:55:42" (1/1) ... [2024-11-05 05:55:43,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:55:42" (1/1) ... [2024-11-05 05:55:43,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:55:42" (1/1) ... [2024-11-05 05:55:43,053 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:55:42" (1/1) ... [2024-11-05 05:55:43,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 05:55:43,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 05:55:43,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 05:55:43,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 05:55:43,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:55:42" (1/1) ... [2024-11-05 05:55:43,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 05:55:43,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 05:55:43,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-05 05:55:43,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-05 05:55:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-05 05:55:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-05 05:55:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 05:55:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2024-11-05 05:55:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2024-11-05 05:55:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 05:55:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 05:55:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 05:55:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 05:55:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 05:55:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 05:55:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-05 05:55:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-05 05:55:43,136 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2024-11-05 05:55:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2024-11-05 05:55:43,136 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2024-11-05 05:55:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2024-11-05 05:55:43,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 05:55:43,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 05:55:43,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 05:55:43,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 05:55:43,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 05:55:43,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 05:55:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 05:55:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 05:55:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 05:55:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 05:55:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 05:55:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 05:55:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 05:55:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 05:55:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 05:55:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 05:55:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 05:55:43,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 05:55:43,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-05 05:55:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-05 05:55:43,138 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2024-11-05 05:55:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2024-11-05 05:55:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 05:55:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 05:55:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 05:55:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 05:55:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 05:55:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 05:55:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2024-11-05 05:55:43,143 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2024-11-05 05:55:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-05 05:55:43,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-05 05:55:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 05:55:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 05:55:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 05:55:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 05:55:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 05:55:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 05:55:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 05:55:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 05:55:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 05:55:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 05:55:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 05:55:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 05:55:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 05:55:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-05 05:55:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-05 05:55:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-05 05:55:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-05 05:55:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-05 05:55:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-05 05:55:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 05:55:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 05:55:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 05:55:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 05:55:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 05:55:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 05:55:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2024-11-05 05:55:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2024-11-05 05:55:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 05:55:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 05:55:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-05 05:55:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-05 05:55:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 05:55:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 05:55:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 05:55:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 05:55:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 05:55:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 05:55:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 05:55:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 05:55:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 05:55:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 05:55:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 05:55:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-05 05:55:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-05 05:55:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-05 05:55:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-05 05:55:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-05 05:55:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-05 05:55:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-05 05:55:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-05 05:55:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-05 05:55:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2024-11-05 05:55:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2024-11-05 05:55:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-05 05:55:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-05 05:55:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 05:55:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 05:55:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-05 05:55:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-05 05:55:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 05:55:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-05 05:55:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-05 05:55:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 05:55:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 05:55:43,404 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 05:55:43,406 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 05:55:43,461 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-05 05:56:01,958 INFO L? ?]: Removed 278 outVars from TransFormulas that were not future-live. [2024-11-05 05:56:01,958 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 05:56:01,983 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 05:56:01,983 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 05:56:01,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 05:56:01 BoogieIcfgContainer [2024-11-05 05:56:01,984 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 05:56:01,986 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 05:56:01,986 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 05:56:01,990 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 05:56:01,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 05:55:41" (1/3) ... [2024-11-05 05:56:01,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f9d50f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 05:56:01, skipping insertion in model container [2024-11-05 05:56:01,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:55:42" (2/3) ... [2024-11-05 05:56:01,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f9d50f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 05:56:01, skipping insertion in model container [2024-11-05 05:56:01,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 05:56:01" (3/3) ... [2024-11-05 05:56:01,992 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2024-11-05 05:56:02,007 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 05:56:02,007 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 05:56:02,080 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 05:56:02,086 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;@29d8d6c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 05:56:02,087 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 05:56:02,092 INFO L276 IsEmpty]: Start isEmpty. Operand has 259 states, 174 states have (on average 1.2816091954022988) internal successors, (223), 180 states have internal predecessors, (223), 63 states have call successors, (63), 21 states have call predecessors, (63), 20 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-05 05:56:02,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-05 05:56:02,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:56:02,105 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 05:56:02,106 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:56:02,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:56:02,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1688844719, now seen corresponding path program 1 times [2024-11-05 05:56:02,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:56:02,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1568233294] [2024-11-05 05:56:02,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:56:02,127 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 [2024-11-05 05:56:02,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:56:02,132 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) [2024-11-05 05:56:02,135 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 [2024-11-05 05:56:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:56:33,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 1953 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-05 05:56:33,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:56:37,095 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-05 05:56:37,096 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:56:45,902 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-05 05:56:45,903 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:56:45,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1568233294] [2024-11-05 05:56:45,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1568233294] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:56:45,904 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:56:45,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2024-11-05 05:56:45,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408091337] [2024-11-05 05:56:45,906 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:56:45,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-05 05:56:45,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:56:45,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-05 05:56:45,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-05 05:56:45,933 INFO L87 Difference]: Start difference. First operand has 259 states, 174 states have (on average 1.2816091954022988) internal successors, (223), 180 states have internal predecessors, (223), 63 states have call successors, (63), 21 states have call predecessors, (63), 20 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) Second operand has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 8 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (16), 6 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-05 05:56:47,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:56:47,919 INFO L93 Difference]: Finished difference Result 520 states and 717 transitions. [2024-11-05 05:56:47,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-05 05:56:47,922 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 8 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (16), 6 states have call predecessors, (16), 2 states have call successors, (16) Word has length 74 [2024-11-05 05:56:47,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:56:47,933 INFO L225 Difference]: With dead ends: 520 [2024-11-05 05:56:47,933 INFO L226 Difference]: Without dead ends: 246 [2024-11-05 05:56:47,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-05 05:56:47,945 INFO L432 NwaCegarLoop]: 347 mSDtfsCounter, 0 mSDsluCounter, 2408 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2755 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-05 05:56:47,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2755 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-05 05:56:47,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-05 05:56:48,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2024-11-05 05:56:48,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 166 states have (on average 1.2469879518072289) internal successors, (207), 167 states have internal predecessors, (207), 58 states have call successors, (58), 20 states have call predecessors, (58), 21 states have return successors, (63), 59 states have call predecessors, (63), 57 states have call successors, (63) [2024-11-05 05:56:48,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 328 transitions. [2024-11-05 05:56:48,013 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 328 transitions. Word has length 74 [2024-11-05 05:56:48,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:56:48,014 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 328 transitions. [2024-11-05 05:56:48,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 8 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (16), 6 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-05 05:56:48,015 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 328 transitions. [2024-11-05 05:56:48,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-05 05:56:48,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:56:48,018 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 05:56:48,093 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 [2024-11-05 05:56:48,219 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 [2024-11-05 05:56:48,220 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:56:48,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:56:48,221 INFO L85 PathProgramCache]: Analyzing trace with hash 378463321, now seen corresponding path program 1 times [2024-11-05 05:56:48,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:56:48,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2032829615] [2024-11-05 05:56:48,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:56:48,221 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 [2024-11-05 05:56:48,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:56:48,222 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) [2024-11-05 05:56:48,224 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 [2024-11-05 05:57:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:57:18,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:57:18,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:57:18,360 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-05 05:57:18,361 INFO L311 TraceCheckSpWp]: Computing backward predicates...