/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 04:54:45,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 04:54:45,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 04:54:45,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 04:54:45,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 04:54:45,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 04:54:45,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 04:54:45,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 04:54:45,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 04:54:45,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 04:54:45,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 04:54:45,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 04:54:45,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 04:54:45,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 04:54:45,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 04:54:45,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 04:54:45,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 04:54:45,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 04:54:45,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 04:54:45,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 04:54:45,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 04:54:45,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 04:54:45,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 04:54:45,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 04:54:45,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 04:54:45,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 04:54:45,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 04:54:45,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 04:54:45,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 04:54:45,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 04:54:45,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 04:54:45,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 04:54:45,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 04:54:45,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 04:54:45,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 04:54:45,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 04:54:45,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 04:54:45,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 04:54:45,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 04:54:45,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 04:54:45,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 04:54:45,911 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 04:54:45,932 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 04:54:45,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 04:54:45,933 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 04:54:45,933 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 04:54:45,934 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 04:54:45,934 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 04:54:45,934 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 04:54:45,934 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 04:54:45,934 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 04:54:45,934 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 04:54:45,935 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 04:54:45,935 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 04:54:45,935 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 04:54:45,935 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 04:54:45,935 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 04:54:45,935 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 04:54:45,935 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 04:54:45,935 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 04:54:45,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 04:54:45,936 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 04:54:45,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 04:54:45,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 04:54:45,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 04:54:45,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 04:54:45,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 04:54:45,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 04:54:45,936 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 04:54:45,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 04:54:45,936 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 04:54:45,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 04:54:45,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 04:54:45,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 04:54:45,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 04:54:45,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 04:54:45,937 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 04:54:45,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 04:54:45,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 04:54:45,937 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 04:54:45,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 04:54:45,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 04:54:45,937 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 04:54:45,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 04:54:46,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 04:54:46,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 04:54:46,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 04:54:46,131 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 04:54:46,131 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 04:54:46,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2023-04-03 04:54:47,061 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 04:54:47,431 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 04:54:47,431 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2023-04-03 04:54:47,455 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cef1f14c8/d3ab294abba54fccb4ec60efc0c8e7d2/FLAGe96ce1121 [2023-04-03 04:54:47,470 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cef1f14c8/d3ab294abba54fccb4ec60efc0c8e7d2 [2023-04-03 04:54:47,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 04:54:47,473 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 04:54:47,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 04:54:47,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 04:54:47,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 04:54:47,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 04:54:47" (1/1) ... [2023-04-03 04:54:47,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3850ee57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:54:47, skipping insertion in model container [2023-04-03 04:54:47,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 04:54:47" (1/1) ... [2023-04-03 04:54:47,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 04:54:47,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 04:54:47,743 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2550] [2023-04-03 04:54:47,745 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2551-2552] [2023-04-03 04:54:47,895 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i[83666,83679] [2023-04-03 04:54:48,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 04:54:48,209 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 04:54:48,286 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2550] [2023-04-03 04:54:48,286 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2551-2552] [2023-04-03 04:54:48,292 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i[83666,83679] [2023-04-03 04:54:48,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 04:54:48,421 INFO L208 MainTranslator]: Completed translation [2023-04-03 04:54:48,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:54:48 WrapperNode [2023-04-03 04:54:48,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 04:54:48,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 04:54:48,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 04:54:48,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 04:54:48,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:54:48" (1/1) ... [2023-04-03 04:54:48,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:54:48" (1/1) ... [2023-04-03 04:54:48,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:54:48" (1/1) ... [2023-04-03 04:54:48,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:54:48" (1/1) ... [2023-04-03 04:54:48,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:54:48" (1/1) ... [2023-04-03 04:54:48,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:54:48" (1/1) ... [2023-04-03 04:54:48,577 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:54:48" (1/1) ... [2023-04-03 04:54:48,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:54:48" (1/1) ... [2023-04-03 04:54:48,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 04:54:48,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 04:54:48,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 04:54:48,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 04:54:48,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:54:48" (1/1) ... [2023-04-03 04:54:48,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 04:54:48,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 04:54:48,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 04:54:48,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 04:54:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 04:54:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 04:54:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 04:54:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 04:54:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-04-03 04:54:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 04:54:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 04:54:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2023-04-03 04:54:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2023-04-03 04:54:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight8 [2023-04-03 04:54:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2023-04-03 04:54:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-04-03 04:54:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-04-03 04:54:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2023-04-03 04:54:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-04-03 04:54:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-04-03 04:54:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-04-03 04:54:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-04-03 04:54:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 04:54:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 04:54:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 04:54:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 04:54:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 04:54:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-03 04:54:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 04:54:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 04:54:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 04:54:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-03 04:54:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-03 04:54:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2023-04-03 04:54:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2023-04-03 04:54:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2023-04-03 04:54:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-04-03 04:54:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2023-04-03 04:54:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-04-03 04:54:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_drvdata [2023-04-03 04:54:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drvdata [2023-04-03 04:54:48,674 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_trigger [2023-04-03 04:54:48,674 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2023-04-03 04:54:48,674 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_cooked_read [2023-04-03 04:54:48,674 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_calibrate [2023-04-03 04:54:48,674 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_time [2023-04-03 04:54:48,675 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_handler [2023-04-03 04:54:48,675 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_interval [2023-04-03 04:54:48,675 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_decode [2023-04-03 04:54:48,675 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_cooked_read [2023-04-03 04:54:48,675 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_button_read [2023-04-03 04:54:48,675 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_poll [2023-04-03 04:54:48,675 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_open [2023-04-03 04:54:48,675 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_close [2023-04-03 04:54:48,676 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_calibrate_timer [2023-04-03 04:54:48,676 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_name [2023-04-03 04:54:48,676 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_device [2023-04-03 04:54:48,676 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_masks [2023-04-03 04:54:48,676 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_port [2023-04-03 04:54:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_connect [2023-04-03 04:54:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_disconnect [2023-04-03 04:54:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_parse_options [2023-04-03 04:54:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init [2023-04-03 04:54:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_exit [2023-04-03 04:54:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_gameport_driver_1 [2023-04-03 04:54:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 04:54:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-03 04:54:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 04:54:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-03 04:54:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-03 04:54:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-03 04:54:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-03 04:54:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-03 04:54:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 04:54:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_driver [2023-04-03 04:54:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2023-04-03 04:54:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2023-04-03 04:54:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2023-04-03 04:54:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_start_polling [2023-04-03 04:54:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_stop_polling [2023-04-03 04:54:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_driver [2023-04-03 04:54:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-04-03 04:54:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2023-04-03 04:54:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2023-04-03 04:54:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2023-04-03 04:54:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-04-03 04:54:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2023-04-03 04:54:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_1 [2023-04-03 04:54:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 04:54:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 04:54:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2023-04-03 04:54:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-03 04:54:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-04-03 04:54:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 04:54:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2023-04-03 04:54:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-04-03 04:54:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-04-03 04:54:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-04-03 04:54:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 04:54:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 04:54:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 04:54:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 04:54:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 04:54:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 04:54:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 04:54:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 04:54:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 04:54:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 04:54:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2023-04-03 04:54:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2023-04-03 04:54:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight8 [2023-04-03 04:54:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 04:54:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2023-04-03 04:54:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-03 04:54:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2023-04-03 04:54:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2023-04-03 04:54:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-04-03 04:54:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2023-04-03 04:54:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 04:54:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-04-03 04:54:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-04-03 04:54:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2023-04-03 04:54:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-04-03 04:54:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-04-03 04:54:48,702 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-04-03 04:54:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-04-03 04:54:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-04-03 04:54:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-04-03 04:54:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 04:54:48,704 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2023-04-03 04:54:48,704 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-03 04:54:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 04:54:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 04:54:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 04:54:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 04:54:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 04:54:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 04:54:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 04:54:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 04:54:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 04:54:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 04:54:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 04:54:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 04:54:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-03 04:54:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 04:54:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 04:54:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_gameport_driver_1 [2023-04-03 04:54:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2023-04-03 04:54:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 04:54:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-04-03 04:54:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-03 04:54:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-03 04:54:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 04:54:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2023-04-03 04:54:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2023-04-03 04:54:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2023-04-03 04:54:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2023-04-03 04:54:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2023-04-03 04:54:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-04-03 04:54:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-04-03 04:54:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-04-03 04:54:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2023-04-03 04:54:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-04-03 04:54:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2023-04-03 04:54:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2023-04-03 04:54:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2023-04-03 04:54:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_drvdata [2023-04-03 04:54:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drvdata [2023-04-03 04:54:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_driver [2023-04-03 04:54:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_driver [2023-04-03 04:54:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_trigger [2023-04-03 04:54:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 04:54:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 04:54:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2023-04-03 04:54:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 04:54:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_cooked_read [2023-04-03 04:54:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-04-03 04:54:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_calibrate [2023-04-03 04:54:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_time [2023-04-03 04:54:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_handler [2023-04-03 04:54:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_interval [2023-04-03 04:54:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 04:54:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_start_polling [2023-04-03 04:54:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_stop_polling [2023-04-03 04:54:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure analog_decode [2023-04-03 04:54:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure analog_cooked_read [2023-04-03 04:54:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 04:54:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 04:54:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure analog_button_read [2023-04-03 04:54:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure analog_poll [2023-04-03 04:54:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure analog_open [2023-04-03 04:54:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure analog_close [2023-04-03 04:54:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure analog_calibrate_timer [2023-04-03 04:54:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure analog_name [2023-04-03 04:54:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_device [2023-04-03 04:54:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_masks [2023-04-03 04:54:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_port [2023-04-03 04:54:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure analog_connect [2023-04-03 04:54:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure analog_disconnect [2023-04-03 04:54:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure analog_parse_options [2023-04-03 04:54:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init [2023-04-03 04:54:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure analog_exit [2023-04-03 04:54:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 04:54:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 04:54:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2023-04-03 04:54:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_1 [2023-04-03 04:54:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 04:54:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-03 04:54:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-03 04:54:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-03 04:54:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-03 04:54:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-03 04:54:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-03 04:54:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 04:54:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 04:54:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 04:54:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 04:54:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 04:54:49,007 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 04:54:49,010 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 04:54:49,218 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 04:54:50,245 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 04:54:51,143 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 04:54:51,143 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 04:54:51,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 04:54:51 BoogieIcfgContainer [2023-04-03 04:54:51,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 04:54:51,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 04:54:51,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 04:54:51,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 04:54:51,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 04:54:47" (1/3) ... [2023-04-03 04:54:51,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e25230a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 04:54:51, skipping insertion in model container [2023-04-03 04:54:51,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:54:48" (2/3) ... [2023-04-03 04:54:51,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e25230a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 04:54:51, skipping insertion in model container [2023-04-03 04:54:51,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 04:54:51" (3/3) ... [2023-04-03 04:54:51,151 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2023-04-03 04:54:51,164 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 04:54:51,164 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 04:54:51,203 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 04:54:51,207 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@48015a3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 04:54:51,207 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 04:54:51,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 666 states, 398 states have (on average 1.306532663316583) internal successors, (520), 415 states have internal predecessors, (520), 179 states have call successors, (179), 85 states have call predecessors, (179), 84 states have return successors, (176), 170 states have call predecessors, (176), 176 states have call successors, (176) [2023-04-03 04:54:51,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-04-03 04:54:51,219 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:54:51,219 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:54:51,220 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:54:51,223 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:54:51,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1160825849, now seen corresponding path program 1 times [2023-04-03 04:54:51,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:54:51,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446648095] [2023-04-03 04:54:51,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:54:51,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:54:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:54:51,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 04:54:51,586 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:54:51,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446648095] [2023-04-03 04:54:51,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446648095] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:54:51,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:54:51,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:54:51,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357219508] [2023-04-03 04:54:51,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:54:51,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:54:51,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:54:51,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:54:51,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:54:51,616 INFO L87 Difference]: Start difference. First operand has 666 states, 398 states have (on average 1.306532663316583) internal successors, (520), 415 states have internal predecessors, (520), 179 states have call successors, (179), 85 states have call predecessors, (179), 84 states have return successors, (176), 170 states have call predecessors, (176), 176 states have call successors, (176) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-03 04:54:52,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:54:52,246 INFO L93 Difference]: Finished difference Result 1354 states and 1800 transitions. [2023-04-03 04:54:52,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:54:52,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2023-04-03 04:54:52,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:54:52,259 INFO L225 Difference]: With dead ends: 1354 [2023-04-03 04:54:52,259 INFO L226 Difference]: Without dead ends: 678 [2023-04-03 04:54:52,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:54:52,268 INFO L413 NwaCegarLoop]: 724 mSDtfsCounter, 96 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 1425 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-03 04:54:52,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 1425 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-03 04:54:52,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2023-04-03 04:54:52,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 678. [2023-04-03 04:54:52,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 416 states have (on average 1.3004807692307692) internal successors, (541), 427 states have internal predecessors, (541), 176 states have call successors, (176), 87 states have call predecessors, (176), 85 states have return successors, (174), 168 states have call predecessors, (174), 174 states have call successors, (174) [2023-04-03 04:54:52,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 891 transitions. [2023-04-03 04:54:52,349 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 891 transitions. Word has length 29 [2023-04-03 04:54:52,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:54:52,349 INFO L495 AbstractCegarLoop]: Abstraction has 678 states and 891 transitions. [2023-04-03 04:54:52,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-03 04:54:52,350 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 891 transitions. [2023-04-03 04:54:52,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-04-03 04:54:52,352 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:54:52,352 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2023-04-03 04:54:52,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 04:54:52,352 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:54:52,353 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:54:52,353 INFO L85 PathProgramCache]: Analyzing trace with hash 280862181, now seen corresponding path program 1 times [2023-04-03 04:54:52,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:54:52,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960151343] [2023-04-03 04:54:52,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:54:52,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:54:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:54:52,493 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-03 04:54:52,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:54:52,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960151343] [2023-04-03 04:54:52,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960151343] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:54:52,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:54:52,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:54:52,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312448860] [2023-04-03 04:54:52,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:54:52,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:54:52,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:54:52,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:54:52,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:54:52,497 INFO L87 Difference]: Start difference. First operand 678 states and 891 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 04:54:52,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:54:52,905 INFO L93 Difference]: Finished difference Result 1361 states and 1808 transitions. [2023-04-03 04:54:52,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:54:52,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 60 [2023-04-03 04:54:52,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:54:52,910 INFO L225 Difference]: With dead ends: 1361 [2023-04-03 04:54:52,910 INFO L226 Difference]: Without dead ends: 706 [2023-04-03 04:54:52,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:54:52,913 INFO L413 NwaCegarLoop]: 690 mSDtfsCounter, 15 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1379 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 04:54:52,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1379 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 04:54:52,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2023-04-03 04:54:52,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 682. [2023-04-03 04:54:52,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 420 states have (on average 1.3023809523809524) internal successors, (547), 431 states have internal predecessors, (547), 176 states have call successors, (176), 87 states have call predecessors, (176), 85 states have return successors, (174), 168 states have call predecessors, (174), 174 states have call successors, (174) [2023-04-03 04:54:52,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 897 transitions. [2023-04-03 04:54:52,940 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 897 transitions. Word has length 60 [2023-04-03 04:54:52,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:54:52,940 INFO L495 AbstractCegarLoop]: Abstraction has 682 states and 897 transitions. [2023-04-03 04:54:52,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 04:54:52,941 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 897 transitions. [2023-04-03 04:54:52,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-04-03 04:54:52,947 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:54:52,947 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2023-04-03 04:54:52,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 04:54:52,947 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:54:52,948 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:54:52,948 INFO L85 PathProgramCache]: Analyzing trace with hash 465443850, now seen corresponding path program 1 times [2023-04-03 04:54:52,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:54:52,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214366821] [2023-04-03 04:54:52,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:54:52,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:54:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:54:53,092 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-03 04:54:53,092 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:54:53,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214366821] [2023-04-03 04:54:53,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214366821] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 04:54:53,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219451913] [2023-04-03 04:54:53,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:54:53,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 04:54:53,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 04:54:53,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 04:54:53,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 04:54:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:54:53,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-03 04:54:53,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 04:54:53,508 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-03 04:54:53,508 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 04:54:53,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219451913] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:54:53,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 04:54:53,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-04-03 04:54:53,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782423635] [2023-04-03 04:54:53,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:54:53,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:54:53,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:54:53,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:54:53,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-03 04:54:53,510 INFO L87 Difference]: Start difference. First operand 682 states and 897 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 04:54:53,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:54:53,947 INFO L93 Difference]: Finished difference Result 1397 states and 1850 transitions. [2023-04-03 04:54:53,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:54:53,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 61 [2023-04-03 04:54:53,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:54:53,951 INFO L225 Difference]: With dead ends: 1397 [2023-04-03 04:54:53,951 INFO L226 Difference]: Without dead ends: 738 [2023-04-03 04:54:53,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-03 04:54:53,954 INFO L413 NwaCegarLoop]: 690 mSDtfsCounter, 89 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 1346 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 04:54:53,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 1346 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 04:54:53,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2023-04-03 04:54:53,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 738. [2023-04-03 04:54:53,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 738 states, 466 states have (on average 1.3175965665236051) internal successors, (614), 477 states have internal predecessors, (614), 181 states have call successors, (181), 92 states have call predecessors, (181), 90 states have return successors, (179), 173 states have call predecessors, (179), 179 states have call successors, (179) [2023-04-03 04:54:53,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 974 transitions. [2023-04-03 04:54:53,976 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 974 transitions. Word has length 61 [2023-04-03 04:54:53,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:54:53,976 INFO L495 AbstractCegarLoop]: Abstraction has 738 states and 974 transitions. [2023-04-03 04:54:53,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 04:54:53,977 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 974 transitions. [2023-04-03 04:54:53,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-04-03 04:54:53,978 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:54:53,978 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 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] [2023-04-03 04:54:53,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 04:54:54,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 04:54:54,187 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:54:54,187 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:54:54,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1477916663, now seen corresponding path program 1 times [2023-04-03 04:54:54,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:54:54,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760362564] [2023-04-03 04:54:54,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:54:54,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:54:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:54:54,315 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-03 04:54:54,316 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:54:54,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760362564] [2023-04-03 04:54:54,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760362564] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 04:54:54,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690106441] [2023-04-03 04:54:54,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:54:54,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 04:54:54,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 04:54:54,317 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 04:54:54,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 04:54:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:54:54,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 1124 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 04:54:54,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 04:54:54,651 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-03 04:54:54,652 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 04:54:54,713 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-03 04:54:54,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690106441] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 04:54:54,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1469668972] [2023-04-03 04:54:54,733 INFO L159 IcfgInterpreter]: Started Sifa with 63 locations of interest [2023-04-03 04:54:54,733 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 04:54:54,736 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 04:54:54,740 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 04:54:54,740 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 04:54:57,969 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 112 for LOIs [2023-04-03 04:54:59,382 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 113 for LOIs [2023-04-03 04:55:07,982 WARN L223 SmtUtils]: Spent 7.49s on a formula simplification. DAG size of input: 4296 DAG size of output: 155 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:55:16,603 WARN L223 SmtUtils]: Spent 7.66s on a formula simplification. DAG size of input: 4415 DAG size of output: 180 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:55:24,269 WARN L223 SmtUtils]: Spent 7.62s on a formula simplification. DAG size of input: 4415 DAG size of output: 180 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:55:31,251 WARN L223 SmtUtils]: Spent 6.84s on a formula simplification. DAG size of input: 4049 DAG size of output: 142 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:55:38,148 WARN L223 SmtUtils]: Spent 6.86s on a formula simplification. DAG size of input: 4049 DAG size of output: 142 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:55:45,870 WARN L223 SmtUtils]: Spent 7.65s on a formula simplification. DAG size of input: 4416 DAG size of output: 180 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:55:53,530 WARN L223 SmtUtils]: Spent 7.62s on a formula simplification. DAG size of input: 4416 DAG size of output: 180 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:56:01,211 WARN L223 SmtUtils]: Spent 7.60s on a formula simplification. DAG size of input: 4416 DAG size of output: 180 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:56:08,848 WARN L223 SmtUtils]: Spent 7.60s on a formula simplification. DAG size of input: 4416 DAG size of output: 180 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:56:18,298 WARN L223 SmtUtils]: Spent 8.87s on a formula simplification. DAG size of input: 4632 DAG size of output: 157 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:56:27,218 WARN L223 SmtUtils]: Spent 8.88s on a formula simplification. DAG size of input: 4632 DAG size of output: 157 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:56:35,904 WARN L223 SmtUtils]: Spent 8.44s on a formula simplification. DAG size of input: 4716 DAG size of output: 219 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:56:36,338 INFO L197 IcfgInterpreter]: Interpreting procedure analog_connect with input of size 126 for LOIs [2023-04-03 04:56:36,382 INFO L197 IcfgInterpreter]: Interpreting procedure kzalloc with input of size 109 for LOIs [2023-04-03 04:56:36,414 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_check_alloc_flags with input of size 106 for LOIs [2023-04-03 04:56:36,437 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_initialize with input of size 84 for LOIs [2023-04-03 04:56:36,445 INFO L197 IcfgInterpreter]: Interpreting procedure analog_init with input of size 108 for LOIs [2023-04-03 04:56:45,672 INFO L197 IcfgInterpreter]: Interpreting procedure __gameport_register_driver with input of size 103 for LOIs [2023-04-03 04:56:45,692 INFO L197 IcfgInterpreter]: Interpreting procedure analog_parse_options with input of size 108 for LOIs [2023-04-03 04:56:48,719 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_bind_1 with input of size 91 for LOIs [2023-04-03 04:56:48,728 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_initialize_gameport_driver_1 with input of size 98 for LOIs [2023-04-03 04:56:48,838 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 94 for LOIs [2023-04-03 04:56:48,944 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 04:57:05,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1469668972] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:57:05,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-04-03 04:57:05,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [4, 4, 4] total 57 [2023-04-03 04:57:05,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098908545] [2023-04-03 04:57:05,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:57:05,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-04-03 04:57:05,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:57:05,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-04-03 04:57:05,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=2981, Unknown=0, NotChecked=0, Total=3192 [2023-04-03 04:57:05,708 INFO L87 Difference]: Start difference. First operand 738 states and 974 transitions. Second operand has 52 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 14 states have call successors, (14), 12 states have call predecessors, (14), 8 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-04-03 04:58:26,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:58:26,750 INFO L93 Difference]: Finished difference Result 1855 states and 2515 transitions. [2023-04-03 04:58:26,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2023-04-03 04:58:26,751 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 14 states have call successors, (14), 12 states have call predecessors, (14), 8 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 73 [2023-04-03 04:58:26,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:58:26,759 INFO L225 Difference]: With dead ends: 1855 [2023-04-03 04:58:26,760 INFO L226 Difference]: Without dead ends: 1118 [2023-04-03 04:58:26,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 167 SyntacticMatches, 2 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13605 ImplicationChecksByTransitivity, 62.5s TimeCoverageRelationStatistics Valid=2110, Invalid=35708, Unknown=12, NotChecked=0, Total=37830 [2023-04-03 04:58:26,770 INFO L413 NwaCegarLoop]: 359 mSDtfsCounter, 706 mSDsluCounter, 4301 mSDsCounter, 0 mSdLazyCounter, 26033 mSolverCounterSat, 334 mSolverCounterUnsat, 29 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 4660 SdHoareTripleChecker+Invalid, 26396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 26033 IncrementalHoareTripleChecker+Invalid, 29 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.5s IncrementalHoareTripleChecker+Time [2023-04-03 04:58:26,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [790 Valid, 4660 Invalid, 26396 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [334 Valid, 26033 Invalid, 29 Unknown, 0 Unchecked, 34.5s Time] [2023-04-03 04:58:26,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2023-04-03 04:58:26,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 918. [2023-04-03 04:58:26,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 612 states have (on average 1.3088235294117647) internal successors, (801), 627 states have internal predecessors, (801), 198 states have call successors, (198), 106 states have call predecessors, (198), 107 states have return successors, (201), 189 states have call predecessors, (201), 196 states have call successors, (201) [2023-04-03 04:58:26,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1200 transitions. [2023-04-03 04:58:26,941 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1200 transitions. Word has length 73 [2023-04-03 04:58:26,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:58:26,941 INFO L495 AbstractCegarLoop]: Abstraction has 918 states and 1200 transitions. [2023-04-03 04:58:26,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 14 states have call successors, (14), 12 states have call predecessors, (14), 8 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-04-03 04:58:26,942 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1200 transitions. [2023-04-03 04:58:26,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-04-03 04:58:26,943 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:58:26,943 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 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, 1, 1] [2023-04-03 04:58:26,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-03 04:58:27,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-04-03 04:58:27,151 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:58:27,151 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:58:27,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1388252444, now seen corresponding path program 1 times [2023-04-03 04:58:27,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:58:27,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037504128] [2023-04-03 04:58:27,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:58:27,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:58:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:58:27,284 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-03 04:58:27,284 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:58:27,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037504128] [2023-04-03 04:58:27,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037504128] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 04:58:27,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935400243] [2023-04-03 04:58:27,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:58:27,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 04:58:27,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 04:58:27,286 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 04:58:27,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-03 04:58:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:58:27,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 1168 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 04:58:27,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 04:58:27,579 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-03 04:58:27,580 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 04:58:27,637 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-03 04:58:27,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935400243] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 04:58:27,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [531923084] [2023-04-03 04:58:27,639 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2023-04-03 04:58:27,639 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 04:58:27,640 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 04:58:27,640 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 04:58:27,640 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 04:58:30,085 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 112 for LOIs [2023-04-03 04:58:31,157 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 113 for LOIs [2023-04-03 04:58:37,844 WARN L223 SmtUtils]: Spent 5.83s on a formula simplification. DAG size of input: 3825 DAG size of output: 152 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:58:44,513 WARN L223 SmtUtils]: Spent 5.87s on a formula simplification. DAG size of input: 3935 DAG size of output: 177 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:58:50,418 WARN L223 SmtUtils]: Spent 5.87s on a formula simplification. DAG size of input: 3935 DAG size of output: 177 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:58:55,791 WARN L223 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 3590 DAG size of output: 139 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:59:01,058 WARN L223 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 3590 DAG size of output: 139 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)