/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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 05:28:10,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 05:28:10,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 05:28:10,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 05:28:10,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 05:28:10,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 05:28:10,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 05:28:10,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 05:28:10,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 05:28:10,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 05:28:10,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 05:28:10,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 05:28:10,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 05:28:10,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 05:28:10,817 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 05:28:10,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 05:28:10,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 05:28:10,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 05:28:10,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 05:28:10,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 05:28:10,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 05:28:10,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 05:28:10,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 05:28:10,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 05:28:10,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 05:28:10,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 05:28:10,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 05:28:10,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 05:28:10,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 05:28:10,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 05:28:10,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 05:28:10,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 05:28:10,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 05:28:10,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 05:28:10,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 05:28:10,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 05:28:10,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 05:28:10,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 05:28:10,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 05:28:10,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 05:28:10,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 05:28:10,842 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 05:28:10,865 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 05:28:10,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 05:28:10,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 05:28:10,866 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 05:28:10,866 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 05:28:10,866 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 05:28:10,867 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 05:28:10,867 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 05:28:10,867 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 05:28:10,867 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 05:28:10,867 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 05:28:10,867 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 05:28:10,867 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 05:28:10,867 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 05:28:10,867 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 05:28:10,867 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 05:28:10,867 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 05:28:10,867 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 05:28:10,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 05:28:10,868 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 05:28:10,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 05:28:10,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 05:28:10,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 05:28:10,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 05:28:10,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 05:28:10,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 05:28:10,870 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 05:28:10,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 05:28:10,871 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 05:28:10,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 05:28:10,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 05:28:10,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 05:28:10,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 05:28:10,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 05:28:10,871 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 05:28:10,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 05:28:10,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 05:28:10,872 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 05:28:10,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 05:28:10,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 05:28:10,872 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 05:28:10,872 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 05:28:11,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 05:28:11,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 05:28:11,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 05:28:11,083 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 05:28:11,083 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 05:28:11,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i [2023-04-03 05:28:12,104 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 05:28:12,517 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 05:28:12,518 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i [2023-04-03 05:28:12,549 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82744e7c6/9b1e772518004b9aa1b02842362c0731/FLAGd23fabdeb [2023-04-03 05:28:12,563 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82744e7c6/9b1e772518004b9aa1b02842362c0731 [2023-04-03 05:28:12,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 05:28:12,566 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 05:28:12,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 05:28:12,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 05:28:12,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 05:28:12,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 05:28:12" (1/1) ... [2023-04-03 05:28:12,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19d2aec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:28:12, skipping insertion in model container [2023-04-03 05:28:12,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 05:28:12" (1/1) ... [2023-04-03 05:28:12,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 05:28:12,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 05:28:14,428 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i[258393,258406] [2023-04-03 05:28:14,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 05:28:14,527 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 05:28:14,776 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i[258393,258406] [2023-04-03 05:28:14,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 05:28:14,943 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 05:28:14,943 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 05:28:14,948 INFO L208 MainTranslator]: Completed translation [2023-04-03 05:28:14,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:28:14 WrapperNode [2023-04-03 05:28:14,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 05:28:14,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 05:28:14,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 05:28:14,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 05:28:14,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:28:14" (1/1) ... [2023-04-03 05:28:14,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:28:14" (1/1) ... [2023-04-03 05:28:15,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:28:14" (1/1) ... [2023-04-03 05:28:15,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:28:14" (1/1) ... [2023-04-03 05:28:15,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:28:14" (1/1) ... [2023-04-03 05:28:15,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:28:14" (1/1) ... [2023-04-03 05:28:15,213 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:28:14" (1/1) ... [2023-04-03 05:28:15,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:28:14" (1/1) ... [2023-04-03 05:28:15,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 05:28:15,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 05:28:15,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 05:28:15,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 05:28:15,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:28:14" (1/1) ... [2023-04-03 05:28:15,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 05:28:15,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 05:28:15,302 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 05:28:15,325 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 05:28:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 05:28:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 05:28:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~$Pointer$ [2023-04-03 05:28:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-04-03 05:28:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-04-03 05:28:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~~u64~0~X~~u32~0~X~~u32~0~TO~int [2023-04-03 05:28:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~VOID [2023-04-03 05:28:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-04-03 05:28:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2023-04-03 05:28:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~u16~0~X~~u16~0~X~~u8~0~TO~int [2023-04-03 05:28:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~TO~int [2023-04-03 05:28:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~u16~0~TO~int [2023-04-03 05:28:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2023-04-03 05:28:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u32~0~X~int~X~$Pointer$~TO~int [2023-04-03 05:28:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u32~0~X~int~X~~u32~0~TO~int [2023-04-03 05:28:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u8~0~X~~u32~0~X~int~X~$Pointer$~TO~int [2023-04-03 05:28:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u8~0~X~~u32~0~X~int~X~~u32~0~TO~int [2023-04-03 05:28:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u16~0~TO~int [2023-04-03 05:28:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-03 05:28:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 05:28:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 05:28:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 05:28:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-03 05:28:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-04-03 05:28:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_zero [2023-04-03 05:28:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-04-03 05:28:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 05:28:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-03 05:28:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-03 05:28:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 05:28:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-04-03 05:28:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 05:28:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 05:28:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 05:28:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2023-04-03 05:28:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-04-03 05:28:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-03 05:28:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 05:28:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 05:28:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 05:28:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-03 05:28:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-03 05:28:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 05:28:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 05:28:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 05:28:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 05:28:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 05:28:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_prep_rio_sg [2023-04-03 05:28:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_cap_set [2023-04-03 05:28:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_cap_zero [2023-04-03 05:28:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_local_read_config_32 [2023-04-03 05:28:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_local_write_config_32 [2023-04-03 05:28:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_read_config_32 [2023-04-03 05:28:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_write_config_32 [2023-04-03 05:28:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_init_mbox_res [2023-04-03 05:28:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_init_dbell_res [2023-04-03 05:28:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_name [2023-04-03 05:28:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_local_get_device_id [2023-04-03 05:28:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_add_device [2023-04-03 05:28:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_request_inb_mbox [2023-04-03 05:28:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_release_inb_mbox [2023-04-03 05:28:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_request_outb_mbox [2023-04-03 05:28:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_release_outb_mbox [2023-04-03 05:28:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_setup_inb_dbell [2023-04-03 05:28:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_request_inb_dbell [2023-04-03 05:28:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_release_inb_dbell [2023-04-03 05:28:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_request_outb_dbell [2023-04-03 05:28:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_release_outb_dbell [2023-04-03 05:28:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_request_inb_pwrite [2023-04-03 05:28:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_release_inb_pwrite [2023-04-03 05:28:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_map_inb_region [2023-04-03 05:28:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_unmap_inb_region [2023-04-03 05:28:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_get_physefb [2023-04-03 05:28:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_get_comptag [2023-04-03 05:28:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_set_port_lockout [2023-04-03 05:28:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_enable_rx_tx_port [2023-04-03 05:28:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_chk_dev_route [2023-04-03 05:28:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_chk_dev_access [2023-04-03 05:28:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_chk_dev_access [2023-04-03 05:28:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_get_input_status [2023-04-03 05:28:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_clr_err_stopped [2023-04-03 05:28:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_inb_pwrite_handler [2023-04-03 05:28:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_get_efb [2023-04-03 05:28:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_get_feature [2023-04-03 05:28:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_get_asm [2023-04-03 05:28:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_get_device [2023-04-03 05:28:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_std_route_add_entry [2023-04-03 05:28:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_std_route_get_entry [2023-04-03 05:28:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_std_route_clr_table [2023-04-03 05:28:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_lock_device [2023-04-03 05:28:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_unlock_device [2023-04-03 05:28:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_route_add_entry [2023-04-03 05:28:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_route_get_entry [2023-04-03 05:28:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_route_clr_table [2023-04-03 05:28:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_chan_filter [2023-04-03 05:28:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_request_mport_dma [2023-04-03 05:28:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_request_dma [2023-04-03 05:28:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_release_dma [2023-04-03 05:28:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_dma_prep_xfer [2023-04-03 05:28:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_dma_prep_slave_sg [2023-04-03 05:28:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_find_mport [2023-04-03 05:28:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_register_scan [2023-04-03 05:28:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_unregister_scan [2023-04-03 05:28:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_scan [2023-04-03 05:28:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_fixup_device [2023-04-03 05:28:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_init [2023-04-03 05:28:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure disc_work_handler [2023-04-03 05:28:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_init_mports [2023-04-03 05:28:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_get_hdid [2023-04-03 05:28:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_register_mport [2023-04-03 05:28:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-04-03 05:28:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2023-04-03 05:28:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2023-04-03 05:28:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-04-03 05:28:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2023-04-03 05:28:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-04-03 05:28:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2023-04-03 05:28:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2023-04-03 05:28:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2023-04-03 05:28:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2023-04-03 05:28:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2023-04-03 05:28:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_10 [2023-04-03 05:28:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_11 [2023-04-03 05:28:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_12 [2023-04-03 05:28:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_13 [2023-04-03 05:28:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_14 [2023-04-03 05:28:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_15 [2023-04-03 05:28:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_16 [2023-04-03 05:28:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_17 [2023-04-03 05:28:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_18 [2023-04-03 05:28:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_19 [2023-04-03 05:28:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_20 [2023-04-03 05:28:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_21 [2023-04-03 05:28:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_22 [2023-04-03 05:28:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_23 [2023-04-03 05:28:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_24 [2023-04-03 05:28:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __rio_local_read_config_8 [2023-04-03 05:28:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __rio_local_read_config_16 [2023-04-03 05:28:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __rio_local_read_config_32 [2023-04-03 05:28:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __rio_local_write_config_8 [2023-04-03 05:28:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __rio_local_write_config_16 [2023-04-03 05:28:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __rio_local_write_config_32 [2023-04-03 05:28:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_read_config_8 [2023-04-03 05:28:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_read_config_16 [2023-04-03 05:28:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_read_config_32 [2023-04-03 05:28:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_write_config_8 [2023-04-03 05:28:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_write_config_16 [2023-04-03 05:28:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_write_config_32 [2023-04-03 05:28:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_send_doorbell [2023-04-03 05:28:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_37 [2023-04-03 05:28:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_38 [2023-04-03 05:28:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_39 [2023-04-03 05:28:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_40 [2023-04-03 05:28:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_41 [2023-04-03 05:28:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_match_device [2023-04-03 05:28:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_dev_get [2023-04-03 05:28:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_dev_put [2023-04-03 05:28:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_device_probe [2023-04-03 05:28:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_device_remove [2023-04-03 05:28:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_register_driver [2023-04-03 05:28:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_unregister_driver [2023-04-03 05:28:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_attach_device [2023-04-03 05:28:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_match_bus [2023-04-03 05:28:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_uevent [2023-04-03 05:28:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_bus_init [2023-04-03 05:28:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bus_type_19 [2023-04-03 05:28:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bus_type_18 [2023-04-03 05:28:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 05:28:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_51 [2023-04-03 05:28:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_52 [2023-04-03 05:28:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_53 [2023-04-03 05:28:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_54 [2023-04-03 05:28:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_55 [2023-04-03 05:28:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2023-04-03 05:28:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_read_config_16 [2023-04-03 05:28:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_write_config_16 [2023-04-03 05:28:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_read_config_8 [2023-04-03 05:28:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_write_config_8 [2023-04-03 05:28:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure did_show [2023-04-03 05:28:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_show [2023-04-03 05:28:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure device_rev_show [2023-04-03 05:28:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure asm_did_show [2023-04-03 05:28:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure asm_vid_show [2023-04-03 05:28:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure asm_rev_show [2023-04-03 05:28:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure destid_show [2023-04-03 05:28:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure hopcount_show [2023-04-03 05:28:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure routes_show [2023-04-03 05:28:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure lprev_show [2023-04-03 05:28:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure lnext_show [2023-04-03 05:28:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure modalias_show [2023-04-03 05:28:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_read_config [2023-04-03 05:28:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_write_config [2023-04-03 05:28:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_create_sysfs_dev_files [2023-04-03 05:28:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_remove_sysfs_dev_files [2023-04-03 05:28:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_scan_store [2023-04-03 05:28:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure port_destid_show [2023-04-03 05:28:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_size_show [2023-04-03 05:28:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bin_attribute_5 [2023-04-03 05:28:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_11 [2023-04-03 05:28:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2023-04-03 05:28:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_17 [2023-04-03 05:28:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_2 [2023-04-03 05:28:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_16 [2023-04-03 05:28:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_13 [2023-04-03 05:28:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2023-04-03 05:28:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2023-04-03 05:28:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_9 [2023-04-03 05:28:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_12 [2023-04-03 05:28:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_14 [2023-04-03 05:28:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_15 [2023-04-03 05:28:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_8 [2023-04-03 05:28:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_4 [2023-04-03 05:28:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_10 [2023-04-03 05:28:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_5 [2023-04-03 05:28:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_65 [2023-04-03 05:28:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_66 [2023-04-03 05:28:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_67 [2023-04-03 05:28:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_68 [2023-04-03 05:28:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_69 [2023-04-03 05:28:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-03 05:28:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 05:28:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 05:28:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 05:28:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 05:28:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2023-04-03 05:28:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2023-04-03 05:28:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-04-03 05:28:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2023-04-03 05:28:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2023-04-03 05:28:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 05:28:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-04-03 05:28:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_register [2023-04-03 05:28:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 05:28:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_request_channel [2023-04-03 05:28:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-03 05:28:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-04-03 05:28:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-03 05:28:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-03 05:28:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-03 05:28:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-03 05:28:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-03 05:28:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 05:28:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure add_uevent_var [2023-04-03 05:28:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_register [2023-04-03 05:28:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-04-03 05:28:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2023-04-03 05:28:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-04-03 05:28:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-03 05:28:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2023-04-03 05:28:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2023-04-03 05:28:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_bin_file [2023-04-03 05:28:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-04-03 05:28:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure device_register [2023-04-03 05:28:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_bin_file [2023-04-03 05:28:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-04-03 05:28:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2023-04-03 05:28:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_register [2023-04-03 05:28:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-04-03 05:28:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-04-03 05:28:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2023-04-03 05:28:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoll [2023-04-03 05:28:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 05:28:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_exit [2023-04-03 05:28:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_5 [2023-04-03 05:28:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2023-04-03 05:28:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-04-03 05:28:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-03 05:28:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-03 05:28:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 05:28:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 05:28:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2023-04-03 05:28:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-04-03 05:28:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-03 05:28:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2023-04-03 05:28:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2023-04-03 05:28:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 05:28:15,349 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 05:28:15,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 05:28:15,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 05:28:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 05:28:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 05:28:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 05:28:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 05:28:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 05:28:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 05:28:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 05:28:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 05:28:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 05:28:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-04-03 05:28:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-03 05:28:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-03 05:28:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 05:28:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-03 05:28:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-04-03 05:28:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 05:28:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-04-03 05:28:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-03 05:28:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 05:28:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 05:28:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_zero [2023-04-03 05:28:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 05:28:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-04-03 05:28:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-03 05:28:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-03 05:28:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-03 05:28:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-03 05:28:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 05:28:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 05:28:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-03 05:28:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-03 05:28:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 05:28:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-03 05:28:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 05:28:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-03 05:28:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-04-03 05:28:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-04-03 05:28:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_22 [2023-04-03 05:28:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_24 [2023-04-03 05:28:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-03 05:28:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2023-04-03 05:28:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2023-04-03 05:28:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-04-03 05:28:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2023-04-03 05:28:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2023-04-03 05:28:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-04-03 05:28:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2023-04-03 05:28:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_23 [2023-04-03 05:28:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-04-03 05:28:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2023-04-03 05:28:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2023-04-03 05:28:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 05:28:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_10 [2023-04-03 05:28:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_12 [2023-04-03 05:28:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_14 [2023-04-03 05:28:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_16 [2023-04-03 05:28:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_18 [2023-04-03 05:28:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_20 [2023-04-03 05:28:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_11 [2023-04-03 05:28:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_13 [2023-04-03 05:28:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_15 [2023-04-03 05:28:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_17 [2023-04-03 05:28:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_19 [2023-04-03 05:28:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_21 [2023-04-03 05:28:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2023-04-03 05:28:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-04-03 05:28:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 05:28:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 05:28:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 05:28:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 05:28:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2023-04-03 05:28:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-03 05:28:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-04-03 05:28:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 05:28:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-03 05:28:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 05:28:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 05:28:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 05:28:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 05:28:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 05:28:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 05:28:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 05:28:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-03 05:28:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-03 05:28:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 05:28:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 05:28:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 05:28:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-04-03 05:28:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2023-04-03 05:28:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2023-04-03 05:28:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-04-03 05:28:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2023-04-03 05:28:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-04-03 05:28:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 05:28:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 05:28:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2023-04-03 05:28:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure device_register [2023-04-03 05:28:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2023-04-03 05:28:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-03 05:28:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_prep_rio_sg [2023-04-03 05:28:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~$Pointer$ [2023-04-03 05:28:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_cap_set [2023-04-03 05:28:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_cap_zero [2023-04-03 05:28:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_request_channel [2023-04-03 05:28:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2023-04-03 05:28:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure rio_register_mport [2023-04-03 05:28:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure __rio_local_read_config_32 [2023-04-03 05:28:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure __rio_local_write_config_32 [2023-04-03 05:28:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_read_config_32 [2023-04-03 05:28:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_write_config_32 [2023-04-03 05:28:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure rio_local_read_config_32 [2023-04-03 05:28:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure rio_local_write_config_32 [2023-04-03 05:28:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure rio_read_config_32 [2023-04-03 05:28:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 05:28:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure rio_write_config_32 [2023-04-03 05:28:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure rio_init_mbox_res [2023-04-03 05:28:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 05:28:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure rio_init_dbell_res [2023-04-03 05:28:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure rio_request_outb_mbox [2023-04-03 05:28:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure rio_release_outb_mbox [2023-04-03 05:28:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure rio_request_inb_mbox [2023-04-03 05:28:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure rio_release_inb_mbox [2023-04-03 05:28:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure rio_request_inb_dbell [2023-04-03 05:28:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure rio_release_inb_dbell [2023-04-03 05:28:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure rio_request_outb_dbell [2023-04-03 05:28:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure rio_release_outb_dbell [2023-04-03 05:28:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure rio_map_inb_region [2023-04-03 05:28:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure rio_unmap_inb_region [2023-04-03 05:28:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure rio_request_inb_pwrite [2023-04-03 05:28:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure rio_release_inb_pwrite [2023-04-03 05:28:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure rio_inb_pwrite_handler [2023-04-03 05:28:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure rio_dev_get [2023-04-03 05:28:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure rio_dev_put [2023-04-03 05:28:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure rio_request_dma [2023-04-03 05:28:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure rio_request_mport_dma [2023-04-03 05:28:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure rio_release_dma [2023-04-03 05:28:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure rio_dma_prep_slave_sg [2023-04-03 05:28:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure rio_dma_prep_xfer [2023-04-03 05:28:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure rio_name [2023-04-03 05:28:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure rio_local_get_device_id [2023-04-03 05:28:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure rio_get_device [2023-04-03 05:28:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure rio_get_asm [2023-04-03 05:28:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure rio_init_mports [2023-04-03 05:28:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_get_feature [2023-04-03 05:28:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_get_physefb [2023-04-03 05:28:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_get_efb [2023-04-03 05:28:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_chk_dev_access [2023-04-03 05:28:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure rio_create_sysfs_dev_files [2023-04-03 05:28:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure rio_lock_device [2023-04-03 05:28:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure rio_unlock_device [2023-04-03 05:28:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure rio_route_add_entry [2023-04-03 05:28:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure rio_route_get_entry [2023-04-03 05:28:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure rio_route_clr_table [2023-04-03 05:28:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure rio_set_port_lockout [2023-04-03 05:28:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure rio_get_comptag [2023-04-03 05:28:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure rio_add_device [2023-04-03 05:28:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure rio_enable_rx_tx_port [2023-04-03 05:28:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure rio_register_scan [2023-04-03 05:28:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure rio_unregister_scan [2023-04-03 05:28:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure rio_find_mport [2023-04-03 05:28:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_scan [2023-04-03 05:28:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 05:28:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 05:28:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-04-03 05:28:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-04-03 05:28:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure rio_setup_inb_dbell [2023-04-03 05:28:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~~u64~0~X~~u32~0~X~~u32~0~TO~int [2023-04-03 05:28:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~VOID [2023-04-03 05:28:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure rio_chk_dev_route [2023-04-03 05:28:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure rio_chk_dev_access [2023-04-03 05:28:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure rio_get_input_status [2023-04-03 05:28:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure rio_clr_err_stopped [2023-04-03 05:28:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-04-03 05:28:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2023-04-03 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure rio_std_route_add_entry [2023-04-03 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure rio_std_route_get_entry [2023-04-03 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure rio_std_route_clr_table [2023-04-03 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~u16~0~X~~u16~0~X~~u8~0~TO~int [2023-04-03 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~TO~int [2023-04-03 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~u16~0~TO~int [2023-04-03 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure rio_chan_filter [2023-04-03 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2023-04-03 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure rio_fixup_device [2023-04-03 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure rio_init [2023-04-03 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure disc_work_handler [2023-04-03 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure rio_get_hdid [2023-04-03 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_37 [2023-04-03 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_39 [2023-04-03 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_38 [2023-04-03 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_41 [2023-04-03 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_40 [2023-04-03 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure __rio_local_read_config_8 [2023-04-03 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u32~0~X~int~X~$Pointer$~TO~int [2023-04-03 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure __rio_local_read_config_16 [2023-04-03 05:28:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure __rio_local_write_config_8 [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u32~0~X~int~X~~u32~0~TO~int [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure __rio_local_write_config_16 [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_read_config_8 [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u8~0~X~~u32~0~X~int~X~$Pointer$~TO~int [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_read_config_16 [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_write_config_8 [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u8~0~X~~u32~0~X~int~X~~u32~0~TO~int [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_write_config_16 [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_send_doorbell [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u16~0~TO~int [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_51 [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_53 [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_52 [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_55 [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_54 [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure add_uevent_var [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bin_attribute_5 [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bus_type_19 [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bus_type_18 [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure bus_register [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2023-04-03 05:28:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-04-03 05:28:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure __class_register [2023-04-03 05:28:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2023-04-03 05:28:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2023-04-03 05:28:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2023-04-03 05:28:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure rio_attach_device [2023-04-03 05:28:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure rio_match_device [2023-04-03 05:28:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure rio_device_probe [2023-04-03 05:28:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-03 05:28:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure rio_device_remove [2023-04-03 05:28:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 05:28:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure rio_register_driver [2023-04-03 05:28:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure rio_unregister_driver [2023-04-03 05:28:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure rio_match_bus [2023-04-03 05:28:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure rio_uevent [2023-04-03 05:28:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure rio_bus_init [2023-04-03 05:28:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 05:28:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 05:28:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_exit [2023-04-03 05:28:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_11 [2023-04-03 05:28:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2023-04-03 05:28:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_17 [2023-04-03 05:28:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_2 [2023-04-03 05:28:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_16 [2023-04-03 05:28:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_13 [2023-04-03 05:28:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2023-04-03 05:28:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2023-04-03 05:28:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_9 [2023-04-03 05:28:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_12 [2023-04-03 05:28:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_14 [2023-04-03 05:28:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_15 [2023-04-03 05:28:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_8 [2023-04-03 05:28:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_4 [2023-04-03 05:28:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_10 [2023-04-03 05:28:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_5 [2023-04-03 05:28:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 05:28:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoll [2023-04-03 05:28:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2023-04-03 05:28:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-03 05:28:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_65 [2023-04-03 05:28:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_67 [2023-04-03 05:28:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_66 [2023-04-03 05:28:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_69 [2023-04-03 05:28:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_68 [2023-04-03 05:28:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-04-03 05:28:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-04-03 05:28:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-04-03 05:28:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_bin_file [2023-04-03 05:28:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_bin_file [2023-04-03 05:28:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure rio_read_config_16 [2023-04-03 05:28:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure rio_write_config_16 [2023-04-03 05:28:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure rio_read_config_8 [2023-04-03 05:28:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure rio_write_config_8 [2023-04-03 05:28:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure did_show [2023-04-03 05:28:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure vid_show [2023-04-03 05:28:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure device_rev_show [2023-04-03 05:28:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure asm_did_show [2023-04-03 05:28:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure asm_vid_show [2023-04-03 05:28:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure asm_rev_show [2023-04-03 05:28:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure destid_show [2023-04-03 05:28:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure hopcount_show [2023-04-03 05:28:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure routes_show [2023-04-03 05:28:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure lprev_show [2023-04-03 05:28:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure lnext_show [2023-04-03 05:28:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure modalias_show [2023-04-03 05:28:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure rio_read_config [2023-04-03 05:28:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure rio_write_config [2023-04-03 05:28:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure rio_remove_sysfs_dev_files [2023-04-03 05:28:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure bus_scan_store [2023-04-03 05:28:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure port_destid_show [2023-04-03 05:28:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure sys_size_show [2023-04-03 05:28:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_5 [2023-04-03 05:28:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2023-04-03 05:28:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-03 05:28:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 05:28:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 05:28:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 05:28:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 05:28:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2023-04-03 05:28:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2023-04-03 05:28:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2023-04-03 05:28:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 05:28:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 05:28:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 05:28:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 05:28:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 05:28:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 05:28:16,169 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 05:28:16,174 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 05:28:16,314 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 05:28:20,684 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2023-04-03 05:28:21,330 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 05:28:22,415 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 05:28:22,416 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-04-03 05:28:22,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 05:28:22 BoogieIcfgContainer [2023-04-03 05:28:22,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 05:28:22,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 05:28:22,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 05:28:22,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 05:28:22,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 05:28:12" (1/3) ... [2023-04-03 05:28:22,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@745f3a02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 05:28:22, skipping insertion in model container [2023-04-03 05:28:22,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:28:14" (2/3) ... [2023-04-03 05:28:22,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@745f3a02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 05:28:22, skipping insertion in model container [2023-04-03 05:28:22,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 05:28:22" (3/3) ... [2023-04-03 05:28:22,427 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i [2023-04-03 05:28:22,440 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 05:28:22,440 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 05:28:22,509 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 05:28:22,515 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;@bc5f04d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 05:28:22,515 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 05:28:22,525 INFO L276 IsEmpty]: Start isEmpty. Operand has 1999 states, 1197 states have (on average 1.279030910609858) internal successors, (1531), 1271 states have internal predecessors, (1531), 550 states have call successors, (550), 199 states have call predecessors, (550), 198 states have return successors, (530), 509 states have call predecessors, (530), 530 states have call successors, (530) [2023-04-03 05:28:22,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-04-03 05:28:22,538 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:28:22,538 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:28:22,539 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:28:22,543 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:28:22,543 INFO L85 PathProgramCache]: Analyzing trace with hash 268120651, now seen corresponding path program 1 times [2023-04-03 05:28:22,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:28:22,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967918911] [2023-04-03 05:28:22,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:28:22,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:28:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:28:23,661 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-04-03 05:28:23,662 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:28:23,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967918911] [2023-04-03 05:28:23,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967918911] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:28:23,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:28:23,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:28:23,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129428022] [2023-04-03 05:28:23,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:28:23,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:28:23,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:28:23,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:28:23,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:28:23,719 INFO L87 Difference]: Start difference. First operand has 1999 states, 1197 states have (on average 1.279030910609858) internal successors, (1531), 1271 states have internal predecessors, (1531), 550 states have call successors, (550), 199 states have call predecessors, (550), 198 states have return successors, (530), 509 states have call predecessors, (530), 530 states have call successors, (530) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 05:28:24,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:28:24,265 INFO L93 Difference]: Finished difference Result 3253 states and 4319 transitions. [2023-04-03 05:28:24,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:28:24,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 80 [2023-04-03 05:28:24,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:28:24,292 INFO L225 Difference]: With dead ends: 3253 [2023-04-03 05:28:24,292 INFO L226 Difference]: Without dead ends: 2109 [2023-04-03 05:28:24,304 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 05:28:24,306 INFO L413 NwaCegarLoop]: 1333 mSDtfsCounter, 1373 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1373 SdHoareTripleChecker+Valid, 2635 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 05:28:24,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1373 Valid, 2635 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 05:28:24,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2109 states. [2023-04-03 05:28:24,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2109 to 2106. [2023-04-03 05:28:24,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2106 states, 1296 states have (on average 1.2824074074074074) internal successors, (1662), 1360 states have internal predecessors, (1662), 534 states have call successors, (534), 278 states have call predecessors, (534), 275 states have return successors, (530), 490 states have call predecessors, (530), 530 states have call successors, (530) [2023-04-03 05:28:24,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2106 states to 2106 states and 2726 transitions. [2023-04-03 05:28:24,484 INFO L78 Accepts]: Start accepts. Automaton has 2106 states and 2726 transitions. Word has length 80 [2023-04-03 05:28:24,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:28:24,485 INFO L495 AbstractCegarLoop]: Abstraction has 2106 states and 2726 transitions. [2023-04-03 05:28:24,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 05:28:24,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2106 states and 2726 transitions. [2023-04-03 05:28:24,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-04-03 05:28:24,489 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:28:24,489 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:28:24,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 05:28:24,490 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:28:24,490 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:28:24,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1294736522, now seen corresponding path program 1 times [2023-04-03 05:28:24,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:28:24,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899249695] [2023-04-03 05:28:24,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:28:24,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:28:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:28:25,179 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-04-03 05:28:25,179 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:28:25,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899249695] [2023-04-03 05:28:25,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899249695] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:28:25,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:28:25,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:28:25,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776381472] [2023-04-03 05:28:25,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:28:25,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:28:25,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:28:25,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:28:25,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:28:25,182 INFO L87 Difference]: Start difference. First operand 2106 states and 2726 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-03 05:28:27,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:28:27,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:28:27,588 INFO L93 Difference]: Finished difference Result 6273 states and 8237 transitions. [2023-04-03 05:28:27,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:28:27,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 89 [2023-04-03 05:28:27,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:28:27,616 INFO L225 Difference]: With dead ends: 6273 [2023-04-03 05:28:27,616 INFO L226 Difference]: Without dead ends: 4182 [2023-04-03 05:28:27,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 05:28:27,626 INFO L413 NwaCegarLoop]: 1319 mSDtfsCounter, 1367 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1367 SdHoareTripleChecker+Valid, 2595 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-04-03 05:28:27,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1367 Valid, 2595 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 251 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-04-03 05:28:27,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4182 states. [2023-04-03 05:28:27,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4182 to 4170. [2023-04-03 05:28:27,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4170 states, 2571 states have (on average 1.2827693504472968) internal successors, (3298), 2698 states have internal predecessors, (3298), 1054 states have call successors, (1054), 547 states have call predecessors, (1054), 544 states have return successors, (1106), 970 states have call predecessors, (1106), 1050 states have call successors, (1106) [2023-04-03 05:28:27,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4170 states to 4170 states and 5458 transitions. [2023-04-03 05:28:27,765 INFO L78 Accepts]: Start accepts. Automaton has 4170 states and 5458 transitions. Word has length 89 [2023-04-03 05:28:27,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:28:27,766 INFO L495 AbstractCegarLoop]: Abstraction has 4170 states and 5458 transitions. [2023-04-03 05:28:27,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-03 05:28:27,767 INFO L276 IsEmpty]: Start isEmpty. Operand 4170 states and 5458 transitions. [2023-04-03 05:28:27,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-04-03 05:28:27,773 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:28:27,774 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:28:27,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 05:28:27,774 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:28:27,774 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:28:27,774 INFO L85 PathProgramCache]: Analyzing trace with hash -777715770, now seen corresponding path program 1 times [2023-04-03 05:28:27,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:28:27,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172193282] [2023-04-03 05:28:27,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:28:27,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:28:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:28:28,239 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-04-03 05:28:28,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:28:28,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172193282] [2023-04-03 05:28:28,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172193282] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:28:28,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:28:28,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:28:28,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966344088] [2023-04-03 05:28:28,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:28:28,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:28:28,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:28:28,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:28:28,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:28:28,242 INFO L87 Difference]: Start difference. First operand 4170 states and 5458 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-03 05:28:28,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:28:28,734 INFO L93 Difference]: Finished difference Result 12358 states and 16145 transitions. [2023-04-03 05:28:28,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:28:28,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 115 [2023-04-03 05:28:28,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:28:28,765 INFO L225 Difference]: With dead ends: 12358 [2023-04-03 05:28:28,766 INFO L226 Difference]: Without dead ends: 8209 [2023-04-03 05:28:28,778 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 05:28:28,779 INFO L413 NwaCegarLoop]: 1289 mSDtfsCounter, 1347 mSDsluCounter, 1241 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1347 SdHoareTripleChecker+Valid, 2530 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 05:28:28,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1347 Valid, 2530 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 05:28:28,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8209 states. [2023-04-03 05:28:29,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8209 to 8196. [2023-04-03 05:28:29,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8196 states, 5045 states have (on average 1.2792864222001983) internal successors, (6454), 5300 states have internal predecessors, (6454), 2068 states have call successors, (2068), 1085 states have call predecessors, (2068), 1082 states have return successors, (2174), 1902 states have call predecessors, (2174), 2064 states have call successors, (2174) [2023-04-03 05:28:29,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8196 states to 8196 states and 10696 transitions. [2023-04-03 05:28:29,154 INFO L78 Accepts]: Start accepts. Automaton has 8196 states and 10696 transitions. Word has length 115 [2023-04-03 05:28:29,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:28:29,155 INFO L495 AbstractCegarLoop]: Abstraction has 8196 states and 10696 transitions. [2023-04-03 05:28:29,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-03 05:28:29,155 INFO L276 IsEmpty]: Start isEmpty. Operand 8196 states and 10696 transitions. [2023-04-03 05:28:29,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-04-03 05:28:29,157 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:28:29,158 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:28:29,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 05:28:29,158 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:28:29,158 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:28:29,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1083221542, now seen corresponding path program 1 times [2023-04-03 05:28:29,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:28:29,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817200194] [2023-04-03 05:28:29,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:28:29,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:28:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:28:29,539 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-04-03 05:28:29,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:28:29,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817200194] [2023-04-03 05:28:29,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817200194] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:28:29,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:28:29,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:28:29,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450666905] [2023-04-03 05:28:29,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:28:29,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:28:29,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:28:29,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:28:29,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:28:29,541 INFO L87 Difference]: Start difference. First operand 8196 states and 10696 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-03 05:28:30,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:28:30,254 INFO L93 Difference]: Finished difference Result 23914 states and 31159 transitions. [2023-04-03 05:28:30,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:28:30,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 127 [2023-04-03 05:28:30,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:28:30,331 INFO L225 Difference]: With dead ends: 23914 [2023-04-03 05:28:30,332 INFO L226 Difference]: Without dead ends: 15739 [2023-04-03 05:28:30,357 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 05:28:30,360 INFO L413 NwaCegarLoop]: 1493 mSDtfsCounter, 1328 mSDsluCounter, 1241 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1328 SdHoareTripleChecker+Valid, 2734 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 05:28:30,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1328 Valid, 2734 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 05:28:30,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15739 states. [2023-04-03 05:28:30,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15739 to 15724. [2023-04-03 05:28:30,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15724 states, 9661 states have (on average 1.2746092537004452) internal successors, (12314), 10152 states have internal predecessors, (12314), 3972 states have call successors, (3972), 2093 states have call predecessors, (3972), 2090 states have return successors, (4180), 3658 states have call predecessors, (4180), 3968 states have call successors, (4180) [2023-04-03 05:28:30,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15724 states to 15724 states and 20466 transitions. [2023-04-03 05:28:30,999 INFO L78 Accepts]: Start accepts. Automaton has 15724 states and 20466 transitions. Word has length 127 [2023-04-03 05:28:30,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:28:30,999 INFO L495 AbstractCegarLoop]: Abstraction has 15724 states and 20466 transitions. [2023-04-03 05:28:30,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-03 05:28:30,999 INFO L276 IsEmpty]: Start isEmpty. Operand 15724 states and 20466 transitions. [2023-04-03 05:28:31,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-04-03 05:28:31,004 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:28:31,004 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:28:31,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 05:28:31,005 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:28:31,005 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:28:31,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1960248261, now seen corresponding path program 1 times [2023-04-03 05:28:31,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:28:31,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133540102] [2023-04-03 05:28:31,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:28:31,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:28:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:28:31,397 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-04-03 05:28:31,397 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:28:31,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133540102] [2023-04-03 05:28:31,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133540102] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:28:31,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:28:31,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:28:31,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282969199] [2023-04-03 05:28:31,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:28:31,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:28:31,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:28:31,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:28:31,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:28:31,399 INFO L87 Difference]: Start difference. First operand 15724 states and 20466 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 05:28:34,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:28:34,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:28:34,317 INFO L93 Difference]: Finished difference Result 42736 states and 55611 transitions. [2023-04-03 05:28:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:28:34,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 162 [2023-04-03 05:28:34,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:28:34,431 INFO L225 Difference]: With dead ends: 42736 [2023-04-03 05:28:34,431 INFO L226 Difference]: Without dead ends: 27033 [2023-04-03 05:28:34,488 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 05:28:34,489 INFO L413 NwaCegarLoop]: 1552 mSDtfsCounter, 1049 mSDsluCounter, 1255 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1049 SdHoareTripleChecker+Valid, 2807 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-04-03 05:28:34,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1049 Valid, 2807 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 278 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-04-03 05:28:34,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27033 states. [2023-04-03 05:28:35,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27033 to 27020. [2023-04-03 05:28:35,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27020 states, 16849 states have (on average 1.2809068787465132) internal successors, (21582), 17668 states have internal predecessors, (21582), 6660 states have call successors, (6660), 3513 states have call predecessors, (6660), 3510 states have return successors, (6900), 6066 states have call predecessors, (6900), 6656 states have call successors, (6900) [2023-04-03 05:28:35,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27020 states to 27020 states and 35142 transitions. [2023-04-03 05:28:35,474 INFO L78 Accepts]: Start accepts. Automaton has 27020 states and 35142 transitions. Word has length 162 [2023-04-03 05:28:35,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:28:35,475 INFO L495 AbstractCegarLoop]: Abstraction has 27020 states and 35142 transitions. [2023-04-03 05:28:35,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 05:28:35,475 INFO L276 IsEmpty]: Start isEmpty. Operand 27020 states and 35142 transitions. [2023-04-03 05:28:35,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-04-03 05:28:35,485 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:28:35,485 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:28:35,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 05:28:35,486 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:28:35,486 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:28:35,486 INFO L85 PathProgramCache]: Analyzing trace with hash -965966328, now seen corresponding path program 1 times [2023-04-03 05:28:35,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:28:35,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006458804] [2023-04-03 05:28:35,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:28:35,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:28:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:28:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2023-04-03 05:28:36,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:28:36,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006458804] [2023-04-03 05:28:36,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006458804] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:28:36,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:28:36,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:28:36,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677226113] [2023-04-03 05:28:36,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:28:36,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:28:36,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:28:36,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:28:36,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:28:36,155 INFO L87 Difference]: Start difference. First operand 27020 states and 35142 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-03 05:28:37,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:28:37,495 INFO L93 Difference]: Finished difference Result 67176 states and 87427 transitions. [2023-04-03 05:28:37,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:28:37,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 205 [2023-04-03 05:28:37,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:28:37,640 INFO L225 Difference]: With dead ends: 67176 [2023-04-03 05:28:37,641 INFO L226 Difference]: Without dead ends: 40177 [2023-04-03 05:28:37,713 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 05:28:37,714 INFO L413 NwaCegarLoop]: 2128 mSDtfsCounter, 1346 mSDsluCounter, 1250 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1346 SdHoareTripleChecker+Valid, 3378 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 05:28:37,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1346 Valid, 3378 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 05:28:37,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40177 states. [2023-04-03 05:28:38,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40177 to 40164. [2023-04-03 05:28:39,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40164 states, 25125 states have (on average 1.2800796019900498) internal successors, (32162), 26336 states have internal predecessors, (32162), 9836 states have call successors, (9836), 5205 states have call predecessors, (9836), 5202 states have return successors, (10188), 8962 states have call predecessors, (10188), 9832 states have call successors, (10188) [2023-04-03 05:28:39,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40164 states to 40164 states and 52186 transitions. [2023-04-03 05:28:39,153 INFO L78 Accepts]: Start accepts. Automaton has 40164 states and 52186 transitions. Word has length 205 [2023-04-03 05:28:39,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:28:39,154 INFO L495 AbstractCegarLoop]: Abstraction has 40164 states and 52186 transitions. [2023-04-03 05:28:39,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-03 05:28:39,155 INFO L276 IsEmpty]: Start isEmpty. Operand 40164 states and 52186 transitions. [2023-04-03 05:28:39,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-04-03 05:28:39,170 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:28:39,171 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:28:39,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 05:28:39,172 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:28:39,172 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:28:39,172 INFO L85 PathProgramCache]: Analyzing trace with hash -723153636, now seen corresponding path program 1 times [2023-04-03 05:28:39,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:28:39,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98476217] [2023-04-03 05:28:39,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:28:39,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:28:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:28:40,025 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2023-04-03 05:28:40,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:28:40,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98476217] [2023-04-03 05:28:40,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98476217] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:28:40,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:28:40,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:28:40,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809064931] [2023-04-03 05:28:40,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:28:40,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:28:40,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:28:40,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:28:40,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:28:40,027 INFO L87 Difference]: Start difference. First operand 40164 states and 52186 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-03 05:28:42,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:28:42,040 INFO L93 Difference]: Finished difference Result 99562 states and 129477 transitions. [2023-04-03 05:28:42,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:28:42,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 217 [2023-04-03 05:28:42,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:28:42,323 INFO L225 Difference]: With dead ends: 99562 [2023-04-03 05:28:42,323 INFO L226 Difference]: Without dead ends: 59419 [2023-04-03 05:28:42,418 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 05:28:42,419 INFO L413 NwaCegarLoop]: 2111 mSDtfsCounter, 1332 mSDsluCounter, 1244 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1332 SdHoareTripleChecker+Valid, 3355 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-03 05:28:42,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1332 Valid, 3355 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-03 05:28:42,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59419 states. [2023-04-03 05:28:44,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59419 to 59396. [2023-04-03 05:28:44,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59396 states, 37285 states have (on average 1.2793884940324527) internal successors, (47702), 39064 states have internal predecessors, (47702), 14456 states have call successors, (14456), 7657 states have call predecessors, (14456), 7654 states have return successors, (14968), 13178 states have call predecessors, (14968), 14452 states have call successors, (14968) [2023-04-03 05:28:44,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59396 states to 59396 states and 77126 transitions. [2023-04-03 05:28:44,727 INFO L78 Accepts]: Start accepts. Automaton has 59396 states and 77126 transitions. Word has length 217 [2023-04-03 05:28:44,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:28:44,728 INFO L495 AbstractCegarLoop]: Abstraction has 59396 states and 77126 transitions. [2023-04-03 05:28:44,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-03 05:28:44,728 INFO L276 IsEmpty]: Start isEmpty. Operand 59396 states and 77126 transitions. [2023-04-03 05:28:44,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-04-03 05:28:44,743 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:28:44,743 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:28:44,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 05:28:44,743 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:28:44,743 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:28:44,743 INFO L85 PathProgramCache]: Analyzing trace with hash 668139600, now seen corresponding path program 1 times [2023-04-03 05:28:44,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:28:44,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506192958] [2023-04-03 05:28:44,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:28:44,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:28:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:28:46,149 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2023-04-03 05:28:46,150 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:28:46,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506192958] [2023-04-03 05:28:46,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506192958] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:28:46,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:28:46,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 05:28:46,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648080867] [2023-04-03 05:28:46,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:28:46,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 05:28:46,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:28:46,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 05:28:46,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-03 05:28:46,152 INFO L87 Difference]: Start difference. First operand 59396 states and 77126 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) [2023-04-03 05:28:49,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:28:51,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:28:51,354 INFO L93 Difference]: Finished difference Result 138044 states and 179459 transitions. [2023-04-03 05:28:51,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 05:28:51,360 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) Word has length 222 [2023-04-03 05:28:51,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:28:51,729 INFO L225 Difference]: With dead ends: 138044 [2023-04-03 05:28:51,729 INFO L226 Difference]: Without dead ends: 78669 [2023-04-03 05:28:51,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-04-03 05:28:51,838 INFO L413 NwaCegarLoop]: 2047 mSDtfsCounter, 1365 mSDsluCounter, 6029 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1370 SdHoareTripleChecker+Valid, 8076 SdHoareTripleChecker+Invalid, 1433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-04-03 05:28:51,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1370 Valid, 8076 Invalid, 1433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-04-03 05:28:51,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78669 states. [2023-04-03 05:28:54,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78669 to 78488. [2023-04-03 05:28:54,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78488 states, 49305 states have (on average 1.2787749721123618) internal successors, (63050), 51672 states have internal predecessors, (63050), 19088 states have call successors, (19088), 10073 states have call predecessors, (19088), 10094 states have return successors, (19792), 17430 states have call predecessors, (19792), 19084 states have call successors, (19792) [2023-04-03 05:28:54,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78488 states to 78488 states and 101930 transitions. [2023-04-03 05:28:54,671 INFO L78 Accepts]: Start accepts. Automaton has 78488 states and 101930 transitions. Word has length 222 [2023-04-03 05:28:54,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:28:54,671 INFO L495 AbstractCegarLoop]: Abstraction has 78488 states and 101930 transitions. [2023-04-03 05:28:54,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) [2023-04-03 05:28:54,672 INFO L276 IsEmpty]: Start isEmpty. Operand 78488 states and 101930 transitions. [2023-04-03 05:28:54,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2023-04-03 05:28:54,698 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:28:54,698 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:28:54,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 05:28:54,698 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:28:54,698 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:28:54,699 INFO L85 PathProgramCache]: Analyzing trace with hash -495291975, now seen corresponding path program 1 times [2023-04-03 05:28:54,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:28:54,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211392106] [2023-04-03 05:28:54,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:28:54,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:28:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:28:55,792 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2023-04-03 05:28:55,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:28:55,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211392106] [2023-04-03 05:28:55,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211392106] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:28:55,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:28:55,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:28:55,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011480634] [2023-04-03 05:28:55,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:28:55,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:28:55,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:28:55,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:28:55,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:28:55,794 INFO L87 Difference]: Start difference. First operand 78488 states and 101930 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-03 05:28:57,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:28:58,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:28:58,977 INFO L93 Difference]: Finished difference Result 147083 states and 191239 transitions. [2023-04-03 05:28:58,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:28:58,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 252 [2023-04-03 05:28:58,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:28:59,215 INFO L225 Difference]: With dead ends: 147083 [2023-04-03 05:28:59,216 INFO L226 Difference]: Without dead ends: 68616 [2023-04-03 05:28:59,393 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 05:28:59,395 INFO L413 NwaCegarLoop]: 1079 mSDtfsCounter, 1108 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1108 SdHoareTripleChecker+Valid, 1080 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-03 05:28:59,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1108 Valid, 1080 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-03 05:28:59,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68616 states. [2023-04-03 05:29:01,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68616 to 68616. [2023-04-03 05:29:01,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68616 states, 44017 states have (on average 1.2850943953472522) internal successors, (56566), 45944 states have internal predecessors, (56566), 16116 states have call successors, (16116), 8461 states have call predecessors, (16116), 8482 states have return successors, (16388), 14506 states have call predecessors, (16388), 16112 states have call successors, (16388) [2023-04-03 05:29:01,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68616 states to 68616 states and 89070 transitions. [2023-04-03 05:29:01,870 INFO L78 Accepts]: Start accepts. Automaton has 68616 states and 89070 transitions. Word has length 252 [2023-04-03 05:29:01,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:29:01,870 INFO L495 AbstractCegarLoop]: Abstraction has 68616 states and 89070 transitions. [2023-04-03 05:29:01,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-03 05:29:01,871 INFO L276 IsEmpty]: Start isEmpty. Operand 68616 states and 89070 transitions. [2023-04-03 05:29:01,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2023-04-03 05:29:01,896 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:29:01,897 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:29:01,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 05:29:01,897 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:29:01,897 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:29:01,897 INFO L85 PathProgramCache]: Analyzing trace with hash 261678928, now seen corresponding path program 1 times [2023-04-03 05:29:01,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:29:01,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422692715] [2023-04-03 05:29:01,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:29:01,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:29:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:29:03,275 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2023-04-03 05:29:03,275 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:29:03,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422692715] [2023-04-03 05:29:03,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422692715] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:29:03,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:29:03,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 05:29:03,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263024429] [2023-04-03 05:29:03,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:29:03,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 05:29:03,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:29:03,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 05:29:03,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 05:29:03,277 INFO L87 Difference]: Start difference. First operand 68616 states and 89070 transitions. Second operand has 6 states, 4 states have (on average 25.75) internal successors, (103), 6 states have internal predecessors, (103), 3 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2023-04-03 05:29:05,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:29:05,393 INFO L93 Difference]: Finished difference Result 137595 states and 179099 transitions. [2023-04-03 05:29:05,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 05:29:05,394 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 25.75) internal successors, (103), 6 states have internal predecessors, (103), 3 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 258 [2023-04-03 05:29:05,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:29:05,635 INFO L225 Difference]: With dead ends: 137595 [2023-04-03 05:29:05,635 INFO L226 Difference]: Without dead ends: 68712 [2023-04-03 05:29:05,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-03 05:29:05,759 INFO L413 NwaCegarLoop]: 1073 mSDtfsCounter, 3 mSDsluCounter, 4275 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 5348 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 05:29:05,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 5348 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 05:29:05,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68712 states. [2023-04-03 05:29:07,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68712 to 68712. [2023-04-03 05:29:07,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68712 states, 44113 states have (on average 1.2844739645909369) internal successors, (56662), 46040 states have internal predecessors, (56662), 16116 states have call successors, (16116), 8461 states have call predecessors, (16116), 8482 states have return successors, (16388), 14506 states have call predecessors, (16388), 16112 states have call successors, (16388) [2023-04-03 05:29:08,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68712 states to 68712 states and 89166 transitions. [2023-04-03 05:29:08,048 INFO L78 Accepts]: Start accepts. Automaton has 68712 states and 89166 transitions. Word has length 258 [2023-04-03 05:29:08,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:29:08,049 INFO L495 AbstractCegarLoop]: Abstraction has 68712 states and 89166 transitions. [2023-04-03 05:29:08,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 25.75) internal successors, (103), 6 states have internal predecessors, (103), 3 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2023-04-03 05:29:08,049 INFO L276 IsEmpty]: Start isEmpty. Operand 68712 states and 89166 transitions. [2023-04-03 05:29:08,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2023-04-03 05:29:08,073 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:29:08,073 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:29:08,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 05:29:08,074 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:29:08,074 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:29:08,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1687519424, now seen corresponding path program 1 times [2023-04-03 05:29:08,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:29:08,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426524483] [2023-04-03 05:29:08,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:29:08,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:29:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:29:09,501 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2023-04-03 05:29:09,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:29:09,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426524483] [2023-04-03 05:29:09,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426524483] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 05:29:09,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545765426] [2023-04-03 05:29:09,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:29:09,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 05:29:09,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 05:29:09,504 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 05:29:09,527 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 05:29:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:29:11,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 9745 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-03 05:29:11,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 05:29:11,344 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-04-03 05:29:11,345 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 05:29:11,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545765426] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:29:11,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 05:29:11,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2023-04-03 05:29:11,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515528973] [2023-04-03 05:29:11,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:29:11,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 05:29:11,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:29:11,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 05:29:11,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-04-03 05:29:11,346 INFO L87 Difference]: Start difference. First operand 68712 states and 89166 transitions. Second operand has 6 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 05:29:12,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:29:12,652 INFO L93 Difference]: Finished difference Result 104616 states and 135745 transitions. [2023-04-03 05:29:12,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 05:29:12,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 259 [2023-04-03 05:29:12,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:29:12,750 INFO L225 Difference]: With dead ends: 104616 [2023-04-03 05:29:12,751 INFO L226 Difference]: Without dead ends: 35733 [2023-04-03 05:29:12,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-04-03 05:29:12,861 INFO L413 NwaCegarLoop]: 1081 mSDtfsCounter, 7 mSDsluCounter, 4309 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5390 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 05:29:12,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5390 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 05:29:12,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35733 states. [2023-04-03 05:29:13,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35733 to 35659. [2023-04-03 05:29:13,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35659 states, 22822 states have (on average 1.2817895013583385) internal successors, (29253), 23847 states have internal predecessors, (29253), 8392 states have call successors, (8392), 4411 states have call predecessors, (8392), 4444 states have return successors, (8550), 7549 states have call predecessors, (8550), 8388 states have call successors, (8550) [2023-04-03 05:29:14,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35659 states to 35659 states and 46195 transitions. [2023-04-03 05:29:14,040 INFO L78 Accepts]: Start accepts. Automaton has 35659 states and 46195 transitions. Word has length 259 [2023-04-03 05:29:14,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:29:14,041 INFO L495 AbstractCegarLoop]: Abstraction has 35659 states and 46195 transitions. [2023-04-03 05:29:14,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 05:29:14,041 INFO L276 IsEmpty]: Start isEmpty. Operand 35659 states and 46195 transitions. [2023-04-03 05:29:14,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2023-04-03 05:29:14,056 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:29:14,057 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:29:14,080 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 05:29:14,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-04-03 05:29:14,273 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:29:14,274 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:29:14,274 INFO L85 PathProgramCache]: Analyzing trace with hash -194270396, now seen corresponding path program 1 times [2023-04-03 05:29:14,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:29:14,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000473480] [2023-04-03 05:29:14,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:29:14,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:29:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:29:15,655 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2023-04-03 05:29:15,655 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:29:15,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000473480] [2023-04-03 05:29:15,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000473480] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 05:29:15,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289853670] [2023-04-03 05:29:15,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:29:15,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 05:29:15,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 05:29:15,657 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 05:29:15,682 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 05:29:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:29:17,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 9766 conjuncts, 25 conjunts are in the unsatisfiable core [2023-04-03 05:29:17,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 05:29:17,530 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2023-04-03 05:29:17,530 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 05:29:17,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289853670] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:29:17,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 05:29:17,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2023-04-03 05:29:17,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858820083] [2023-04-03 05:29:17,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:29:17,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-03 05:29:17,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:29:17,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-03 05:29:17,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-04-03 05:29:17,532 INFO L87 Difference]: Start difference. First operand 35659 states and 46195 transitions. Second operand has 9 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2023-04-03 05:29:20,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:29:22,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:29:24,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:29:26,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:29:27,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:29:28,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:29:28,049 INFO L93 Difference]: Finished difference Result 74639 states and 98837 transitions. [2023-04-03 05:29:28,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-03 05:29:28,049 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 264 [2023-04-03 05:29:28,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:29:28,184 INFO L225 Difference]: With dead ends: 74639 [2023-04-03 05:29:28,184 INFO L226 Difference]: Without dead ends: 39533 [2023-04-03 05:29:28,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-04-03 05:29:28,260 INFO L413 NwaCegarLoop]: 1257 mSDtfsCounter, 144 mSDsluCounter, 8613 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 9870 SdHoareTripleChecker+Invalid, 874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-04-03 05:29:28,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 9870 Invalid, 874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 871 Invalid, 3 Unknown, 0 Unchecked, 9.6s Time] [2023-04-03 05:29:28,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39533 states. [2023-04-03 05:29:29,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39533 to 35587. [2023-04-03 05:29:29,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35587 states, 22780 states have (on average 1.28099209833187) internal successors, (29181), 23823 states have internal predecessors, (29181), 8344 states have call successors, (8344), 4387 states have call predecessors, (8344), 4462 states have return successors, (8550), 7525 states have call predecessors, (8550), 8340 states have call successors, (8550) [2023-04-03 05:29:29,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35587 states to 35587 states and 46075 transitions. [2023-04-03 05:29:29,517 INFO L78 Accepts]: Start accepts. Automaton has 35587 states and 46075 transitions. Word has length 264 [2023-04-03 05:29:29,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:29:29,518 INFO L495 AbstractCegarLoop]: Abstraction has 35587 states and 46075 transitions. [2023-04-03 05:29:29,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2023-04-03 05:29:29,518 INFO L276 IsEmpty]: Start isEmpty. Operand 35587 states and 46075 transitions. [2023-04-03 05:29:29,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2023-04-03 05:29:29,534 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:29:29,534 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:29:29,569 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 05:29:29,769 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,SelfDestructingSolverStorable11 [2023-04-03 05:29:29,769 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:29:29,769 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:29:29,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1224789703, now seen corresponding path program 1 times [2023-04-03 05:29:29,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:29:29,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537448635] [2023-04-03 05:29:29,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:29:29,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:29:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:29:31,115 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2023-04-03 05:29:31,115 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:29:31,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537448635] [2023-04-03 05:29:31,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537448635] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:29:31,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:29:31,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 05:29:31,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286358752] [2023-04-03 05:29:31,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:29:31,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 05:29:31,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:29:31,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 05:29:31,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-03 05:29:31,117 INFO L87 Difference]: Start difference. First operand 35587 states and 46075 transitions. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 5 states have internal predecessors, (111), 3 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-03 05:29:32,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:29:33,000 INFO L93 Difference]: Finished difference Result 81601 states and 105755 transitions. [2023-04-03 05:29:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 05:29:33,000 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 5 states have internal predecessors, (111), 3 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) Word has length 251 [2023-04-03 05:29:33,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:29:33,117 INFO L225 Difference]: With dead ends: 81601 [2023-04-03 05:29:33,117 INFO L226 Difference]: Without dead ends: 46567 [2023-04-03 05:29:33,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-04-03 05:29:33,176 INFO L413 NwaCegarLoop]: 1746 mSDtfsCounter, 1122 mSDsluCounter, 5833 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1127 SdHoareTripleChecker+Valid, 7579 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-03 05:29:33,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1127 Valid, 7579 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-03 05:29:33,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46567 states. [2023-04-03 05:29:34,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46567 to 46489. [2023-04-03 05:29:34,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46489 states, 29791 states have (on average 1.2812594407707025) internal successors, (38170), 31159 states have internal predecessors, (38170), 10901 states have call successors, (10901), 5684 states have call predecessors, (10901), 5796 states have return successors, (11175), 9846 states have call predecessors, (11175), 10897 states have call successors, (11175) [2023-04-03 05:29:34,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46489 states to 46489 states and 60246 transitions. [2023-04-03 05:29:34,642 INFO L78 Accepts]: Start accepts. Automaton has 46489 states and 60246 transitions. Word has length 251 [2023-04-03 05:29:34,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:29:34,642 INFO L495 AbstractCegarLoop]: Abstraction has 46489 states and 60246 transitions. [2023-04-03 05:29:34,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 5 states have internal predecessors, (111), 3 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-03 05:29:34,642 INFO L276 IsEmpty]: Start isEmpty. Operand 46489 states and 60246 transitions. [2023-04-03 05:29:34,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-04-03 05:29:34,658 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:29:34,658 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:29:34,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-03 05:29:34,658 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:29:34,659 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:29:34,659 INFO L85 PathProgramCache]: Analyzing trace with hash -24248587, now seen corresponding path program 1 times [2023-04-03 05:29:34,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:29:34,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832256264] [2023-04-03 05:29:34,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:29:34,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:29:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:29:35,498 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-04-03 05:29:35,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:29:35,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832256264] [2023-04-03 05:29:35,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832256264] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:29:35,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:29:35,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-03 05:29:35,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545565937] [2023-04-03 05:29:35,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:29:35,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-03 05:29:35,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:29:35,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-03 05:29:35,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-04-03 05:29:35,500 INFO L87 Difference]: Start difference. First operand 46489 states and 60246 transitions. Second operand has 8 states, 7 states have (on average 17.285714285714285) internal successors, (121), 6 states have internal predecessors, (121), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 05:29:36,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:29:36,985 INFO L93 Difference]: Finished difference Result 92773 states and 120253 transitions. [2023-04-03 05:29:36,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 05:29:36,985 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 17.285714285714285) internal successors, (121), 6 states have internal predecessors, (121), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) Word has length 255 [2023-04-03 05:29:36,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:29:37,108 INFO L225 Difference]: With dead ends: 92773 [2023-04-03 05:29:37,108 INFO L226 Difference]: Without dead ends: 46837 [2023-04-03 05:29:37,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-04-03 05:29:37,201 INFO L413 NwaCegarLoop]: 1077 mSDtfsCounter, 12 mSDsluCounter, 6436 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 7513 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 05:29:37,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 7513 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 05:29:37,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46837 states. [2023-04-03 05:29:38,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46837 to 46685. [2023-04-03 05:29:38,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46685 states, 29931 states have (on average 1.279943870903077) internal successors, (38310), 31299 states have internal predecessors, (38310), 10901 states have call successors, (10901), 5684 states have call predecessors, (10901), 5852 states have return successors, (11271), 9902 states have call predecessors, (11271), 10897 states have call successors, (11271) [2023-04-03 05:29:38,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46685 states to 46685 states and 60482 transitions. [2023-04-03 05:29:38,888 INFO L78 Accepts]: Start accepts. Automaton has 46685 states and 60482 transitions. Word has length 255 [2023-04-03 05:29:38,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:29:38,889 INFO L495 AbstractCegarLoop]: Abstraction has 46685 states and 60482 transitions. [2023-04-03 05:29:38,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 17.285714285714285) internal successors, (121), 6 states have internal predecessors, (121), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 05:29:38,889 INFO L276 IsEmpty]: Start isEmpty. Operand 46685 states and 60482 transitions. [2023-04-03 05:29:38,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-04-03 05:29:38,904 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:29:38,904 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:29:38,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-03 05:29:38,905 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:29:38,905 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:29:38,905 INFO L85 PathProgramCache]: Analyzing trace with hash -452771137, now seen corresponding path program 1 times [2023-04-03 05:29:38,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:29:38,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969411352] [2023-04-03 05:29:38,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:29:38,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:29:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:29:40,098 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2023-04-03 05:29:40,099 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:29:40,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969411352] [2023-04-03 05:29:40,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969411352] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 05:29:40,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343952771] [2023-04-03 05:29:40,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:29:40,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 05:29:40,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 05:29:40,115 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 05:29:40,115 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 05:29:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:29:41,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 9777 conjuncts, 42 conjunts are in the unsatisfiable core [2023-04-03 05:29:42,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 05:29:42,466 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2023-04-03 05:29:42,466 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 05:29:42,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343952771] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:29:42,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 05:29:42,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [7] total 17 [2023-04-03 05:29:42,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669034595] [2023-04-03 05:29:42,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:29:42,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-03 05:29:42,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:29:42,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-03 05:29:42,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2023-04-03 05:29:42,468 INFO L87 Difference]: Start difference. First operand 46685 states and 60482 transitions. Second operand has 12 states, 10 states have (on average 10.9) internal successors, (109), 10 states have internal predecessors, (109), 6 states have call successors, (39), 5 states have call predecessors, (39), 5 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2023-04-03 05:29:53,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:29:53,932 INFO L93 Difference]: Finished difference Result 88886 states and 125405 transitions. [2023-04-03 05:29:53,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-03 05:29:53,932 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 10.9) internal successors, (109), 10 states have internal predecessors, (109), 6 states have call successors, (39), 5 states have call predecessors, (39), 5 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) Word has length 268 [2023-04-03 05:29:53,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:29:54,189 INFO L225 Difference]: With dead ends: 88886 [2023-04-03 05:29:54,189 INFO L226 Difference]: Without dead ends: 88883 [2023-04-03 05:29:54,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=162, Invalid=960, Unknown=0, NotChecked=0, Total=1122 [2023-04-03 05:29:54,228 INFO L413 NwaCegarLoop]: 926 mSDtfsCounter, 2880 mSDsluCounter, 5650 mSDsCounter, 0 mSdLazyCounter, 16395 mSolverCounterSat, 1410 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2961 SdHoareTripleChecker+Valid, 6576 SdHoareTripleChecker+Invalid, 17805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1410 IncrementalHoareTripleChecker+Valid, 16395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-04-03 05:29:54,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2961 Valid, 6576 Invalid, 17805 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1410 Valid, 16395 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2023-04-03 05:29:54,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88883 states. [2023-04-03 05:29:57,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88883 to 70201. [2023-04-03 05:29:57,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70201 states, 44974 states have (on average 1.279272468537377) internal successors, (57534), 47078 states have internal predecessors, (57534), 16290 states have call successors, (16290), 8503 states have call predecessors, (16290), 8936 states have return successors, (17271), 14936 states have call predecessors, (17271), 16286 states have call successors, (17271) [2023-04-03 05:29:57,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70201 states to 70201 states and 91095 transitions. [2023-04-03 05:29:57,456 INFO L78 Accepts]: Start accepts. Automaton has 70201 states and 91095 transitions. Word has length 268 [2023-04-03 05:29:57,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:29:57,456 INFO L495 AbstractCegarLoop]: Abstraction has 70201 states and 91095 transitions. [2023-04-03 05:29:57,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 10.9) internal successors, (109), 10 states have internal predecessors, (109), 6 states have call successors, (39), 5 states have call predecessors, (39), 5 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2023-04-03 05:29:57,457 INFO L276 IsEmpty]: Start isEmpty. Operand 70201 states and 91095 transitions. [2023-04-03 05:29:57,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2023-04-03 05:29:57,474 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:29:57,474 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:29:57,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-04-03 05:29:57,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 05:29:57,697 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:29:57,698 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:29:57,698 INFO L85 PathProgramCache]: Analyzing trace with hash 748422577, now seen corresponding path program 1 times [2023-04-03 05:29:57,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:29:57,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226525019] [2023-04-03 05:29:57,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:29:57,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:29:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:29:59,177 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-04-03 05:29:59,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:29:59,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226525019] [2023-04-03 05:29:59,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226525019] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:29:59,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:29:59,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 05:29:59,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069554901] [2023-04-03 05:29:59,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:29:59,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 05:29:59,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:29:59,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 05:29:59,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 05:29:59,179 INFO L87 Difference]: Start difference. First operand 70201 states and 91095 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-03 05:30:01,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:30:01,530 INFO L93 Difference]: Finished difference Result 140371 states and 182211 transitions. [2023-04-03 05:30:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 05:30:01,530 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) Word has length 257 [2023-04-03 05:30:01,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:30:01,737 INFO L225 Difference]: With dead ends: 140371 [2023-04-03 05:30:01,737 INFO L226 Difference]: Without dead ends: 70723 [2023-04-03 05:30:01,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 05:30:01,857 INFO L413 NwaCegarLoop]: 1082 mSDtfsCounter, 4 mSDsluCounter, 3238 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 4320 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 05:30:01,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 4320 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 05:30:01,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70723 states. [2023-04-03 05:30:04,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70723 to 70453. [2023-04-03 05:30:04,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70453 states, 45142 states have (on average 1.2782331310088166) internal successors, (57702), 47246 states have internal predecessors, (57702), 16332 states have call successors, (16332), 8503 states have call predecessors, (16332), 8978 states have return successors, (17397), 15020 states have call predecessors, (17397), 16328 states have call successors, (17397) [2023-04-03 05:30:04,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70453 states to 70453 states and 91431 transitions. [2023-04-03 05:30:04,544 INFO L78 Accepts]: Start accepts. Automaton has 70453 states and 91431 transitions. Word has length 257 [2023-04-03 05:30:04,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:30:04,545 INFO L495 AbstractCegarLoop]: Abstraction has 70453 states and 91431 transitions. [2023-04-03 05:30:04,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-03 05:30:04,545 INFO L276 IsEmpty]: Start isEmpty. Operand 70453 states and 91431 transitions. [2023-04-03 05:30:04,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2023-04-03 05:30:04,561 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:30:04,561 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:30:04,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-03 05:30:04,561 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:30:04,561 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:30:04,561 INFO L85 PathProgramCache]: Analyzing trace with hash 553543476, now seen corresponding path program 1 times [2023-04-03 05:30:04,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:30:04,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411321307] [2023-04-03 05:30:04,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:30:04,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:30:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:30:06,600 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2023-04-03 05:30:06,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:30:06,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411321307] [2023-04-03 05:30:06,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411321307] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:30:06,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:30:06,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 05:30:06,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947613132] [2023-04-03 05:30:06,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:30:06,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 05:30:06,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:30:06,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 05:30:06,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 05:30:06,602 INFO L87 Difference]: Start difference. First operand 70453 states and 91431 transitions. Second operand has 7 states, 6 states have (on average 19.333333333333332) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 05:30:09,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:30:09,564 INFO L93 Difference]: Finished difference Result 140338 states and 182358 transitions. [2023-04-03 05:30:09,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 05:30:09,564 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.333333333333332) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) Word has length 258 [2023-04-03 05:30:09,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:30:09,802 INFO L225 Difference]: With dead ends: 140338 [2023-04-03 05:30:09,802 INFO L226 Difference]: Without dead ends: 70438 [2023-04-03 05:30:09,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 05:30:09,931 INFO L413 NwaCegarLoop]: 1078 mSDtfsCounter, 2 mSDsluCounter, 5384 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6462 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-03 05:30:09,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6462 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-03 05:30:09,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70438 states. [2023-04-03 05:30:12,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70438 to 70410. [2023-04-03 05:30:12,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70410 states, 45134 states have (on average 1.2776620729383614) internal successors, (57666), 47231 states have internal predecessors, (57666), 16290 states have call successors, (16290), 8461 states have call predecessors, (16290), 8985 states have return successors, (17404), 15034 states have call predecessors, (17404), 16286 states have call successors, (17404) [2023-04-03 05:30:12,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70410 states to 70410 states and 91360 transitions. [2023-04-03 05:30:12,650 INFO L78 Accepts]: Start accepts. Automaton has 70410 states and 91360 transitions. Word has length 258 [2023-04-03 05:30:12,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:30:12,651 INFO L495 AbstractCegarLoop]: Abstraction has 70410 states and 91360 transitions. [2023-04-03 05:30:12,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.333333333333332) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 05:30:12,651 INFO L276 IsEmpty]: Start isEmpty. Operand 70410 states and 91360 transitions. [2023-04-03 05:30:12,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2023-04-03 05:30:12,668 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:30:12,668 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:30:12,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-03 05:30:12,669 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:30:12,669 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:30:12,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1369842065, now seen corresponding path program 1 times [2023-04-03 05:30:12,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:30:12,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196877587] [2023-04-03 05:30:12,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:30:12,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:30:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:30:16,002 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2023-04-03 05:30:16,003 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:30:16,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196877587] [2023-04-03 05:30:16,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196877587] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:30:16,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:30:16,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-03 05:30:16,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013895031] [2023-04-03 05:30:16,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:30:16,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-03 05:30:16,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:30:16,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-03 05:30:16,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-04-03 05:30:16,004 INFO L87 Difference]: Start difference. First operand 70410 states and 91360 transitions. Second operand has 11 states, 10 states have (on average 11.8) internal successors, (118), 9 states have internal predecessors, (118), 6 states have call successors, (37), 6 states have call predecessors, (37), 4 states have return successors, (30), 6 states have call predecessors, (30), 5 states have call successors, (30) [2023-04-03 05:30:25,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:30:25,305 INFO L93 Difference]: Finished difference Result 118610 states and 153615 transitions. [2023-04-03 05:30:25,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-03 05:30:25,306 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 11.8) internal successors, (118), 9 states have internal predecessors, (118), 6 states have call successors, (37), 6 states have call predecessors, (37), 4 states have return successors, (30), 6 states have call predecessors, (30), 5 states have call successors, (30) Word has length 262 [2023-04-03 05:30:25,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:30:25,655 INFO L225 Difference]: With dead ends: 118610 [2023-04-03 05:30:25,656 INFO L226 Difference]: Without dead ends: 118607 [2023-04-03 05:30:25,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2023-04-03 05:30:25,699 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 6533 mSDsluCounter, 2147 mSDsCounter, 0 mSdLazyCounter, 8342 mSolverCounterSat, 3493 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6730 SdHoareTripleChecker+Valid, 2777 SdHoareTripleChecker+Invalid, 11835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3493 IncrementalHoareTripleChecker+Valid, 8342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-04-03 05:30:25,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6730 Valid, 2777 Invalid, 11835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3493 Valid, 8342 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-04-03 05:30:25,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118607 states. [2023-04-03 05:30:30,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118607 to 118010. [2023-04-03 05:30:30,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118010 states, 75610 states have (on average 1.2770929771194286) internal successors, (96561), 79117 states have internal predecessors, (96561), 27174 states have call successors, (27174), 14133 states have call predecessors, (27174), 15225 states have return successors, (29220), 25308 states have call predecessors, (29220), 27170 states have call successors, (29220) [2023-04-03 05:30:30,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118010 states to 118010 states and 152955 transitions. [2023-04-03 05:30:30,723 INFO L78 Accepts]: Start accepts. Automaton has 118010 states and 152955 transitions. Word has length 262 [2023-04-03 05:30:30,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:30:30,723 INFO L495 AbstractCegarLoop]: Abstraction has 118010 states and 152955 transitions. [2023-04-03 05:30:30,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 11.8) internal successors, (118), 9 states have internal predecessors, (118), 6 states have call successors, (37), 6 states have call predecessors, (37), 4 states have return successors, (30), 6 states have call predecessors, (30), 5 states have call successors, (30) [2023-04-03 05:30:30,724 INFO L276 IsEmpty]: Start isEmpty. Operand 118010 states and 152955 transitions. [2023-04-03 05:30:30,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-04-03 05:30:30,745 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:30:30,745 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:30:30,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-04-03 05:30:30,746 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:30:30,746 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:30:30,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1691351007, now seen corresponding path program 1 times [2023-04-03 05:30:30,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:30:30,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666785158] [2023-04-03 05:30:30,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:30:30,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:30:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:30:33,402 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2023-04-03 05:30:33,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:30:33,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666785158] [2023-04-03 05:30:33,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666785158] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 05:30:33,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969445915] [2023-04-03 05:30:33,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:30:33,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 05:30:33,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 05:30:33,417 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 05:30:33,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-03 05:30:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:30:35,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 9771 conjuncts, 44 conjunts are in the unsatisfiable core [2023-04-03 05:30:35,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 05:30:35,602 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2023-04-03 05:30:35,602 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 05:30:37,025 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2023-04-03 05:30:37,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969445915] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-03 05:30:37,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-03 05:30:37,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12, 10] total 24 [2023-04-03 05:30:37,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618474138] [2023-04-03 05:30:37,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:30:37,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-03 05:30:37,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:30:37,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-03 05:30:37,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2023-04-03 05:30:37,028 INFO L87 Difference]: Start difference. First operand 118010 states and 152955 transitions. Second operand has 11 states, 10 states have (on average 11.3) internal successors, (113), 9 states have internal predecessors, (113), 4 states have call successors, (38), 4 states have call predecessors, (38), 5 states have return successors, (35), 5 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-03 05:30:44,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:30:44,569 INFO L93 Difference]: Finished difference Result 151674 states and 202364 transitions. [2023-04-03 05:30:44,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-03 05:30:44,570 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 11.3) internal successors, (113), 9 states have internal predecessors, (113), 4 states have call successors, (38), 4 states have call predecessors, (38), 5 states have return successors, (35), 5 states have call predecessors, (35), 3 states have call successors, (35) Word has length 282 [2023-04-03 05:30:44,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:30:45,307 INFO L225 Difference]: With dead ends: 151674 [2023-04-03 05:30:45,307 INFO L226 Difference]: Without dead ends: 151502 [2023-04-03 05:30:45,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 555 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2023-04-03 05:30:45,389 INFO L413 NwaCegarLoop]: 1074 mSDtfsCounter, 7135 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 2418 mSolverCounterSat, 3542 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7323 SdHoareTripleChecker+Valid, 3326 SdHoareTripleChecker+Invalid, 5960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3542 IncrementalHoareTripleChecker+Valid, 2418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-04-03 05:30:45,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7323 Valid, 3326 Invalid, 5960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3542 Valid, 2418 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-04-03 05:30:45,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151502 states. [2023-04-03 05:30:52,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151502 to 140518. [2023-04-03 05:30:52,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140518 states, 90096 states have (on average 1.2771266204936955) internal successors, (115064), 94236 states have internal predecessors, (115064), 32418 states have call successors, (32418), 16855 states have call predecessors, (32418), 18003 states have return successors, (34830), 30059 states have call predecessors, (34830), 32414 states have call successors, (34830) [2023-04-03 05:30:52,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140518 states to 140518 states and 182312 transitions. [2023-04-03 05:30:52,539 INFO L78 Accepts]: Start accepts. Automaton has 140518 states and 182312 transitions. Word has length 282 [2023-04-03 05:30:52,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:30:52,540 INFO L495 AbstractCegarLoop]: Abstraction has 140518 states and 182312 transitions. [2023-04-03 05:30:52,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 11.3) internal successors, (113), 9 states have internal predecessors, (113), 4 states have call successors, (38), 4 states have call predecessors, (38), 5 states have return successors, (35), 5 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-03 05:30:52,540 INFO L276 IsEmpty]: Start isEmpty. Operand 140518 states and 182312 transitions. [2023-04-03 05:30:52,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-04-03 05:30:52,807 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:30:52,807 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:30:52,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-03 05:30:53,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 05:30:53,026 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:30:53,026 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:30:53,027 INFO L85 PathProgramCache]: Analyzing trace with hash -2139805757, now seen corresponding path program 1 times [2023-04-03 05:30:53,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:30:53,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268651076] [2023-04-03 05:30:53,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:30:53,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:30:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:30:55,474 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-04-03 05:30:55,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:30:55,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268651076] [2023-04-03 05:30:55,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268651076] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 05:30:55,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757785756] [2023-04-03 05:30:55,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:30:55,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 05:30:55,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 05:30:55,481 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 05:30:55,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-03 05:30:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:30:57,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 9704 conjuncts, 43 conjunts are in the unsatisfiable core [2023-04-03 05:30:57,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 05:30:57,562 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2023-04-03 05:30:57,562 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 05:30:58,925 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2023-04-03 05:30:58,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757785756] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-03 05:30:58,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-03 05:30:58,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12, 10] total 25 [2023-04-03 05:30:58,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343358270] [2023-04-03 05:30:58,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:30:58,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-03 05:30:58,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:30:58,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-03 05:30:58,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=479, Unknown=0, NotChecked=0, Total=600 [2023-04-03 05:30:58,927 INFO L87 Difference]: Start difference. First operand 140518 states and 182312 transitions. Second operand has 11 states, 10 states have (on average 12.7) internal successors, (127), 9 states have internal predecessors, (127), 4 states have call successors, (37), 4 states have call predecessors, (37), 5 states have return successors, (34), 5 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-03 05:31:08,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:31:08,533 INFO L93 Difference]: Finished difference Result 177288 states and 237229 transitions. [2023-04-03 05:31:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-03 05:31:08,533 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.7) internal successors, (127), 9 states have internal predecessors, (127), 4 states have call successors, (37), 4 states have call predecessors, (37), 5 states have return successors, (34), 5 states have call predecessors, (34), 3 states have call successors, (34) Word has length 283 [2023-04-03 05:31:08,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:31:09,265 INFO L225 Difference]: With dead ends: 177288 [2023-04-03 05:31:09,265 INFO L226 Difference]: Without dead ends: 177116 [2023-04-03 05:31:09,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 556 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=522, Unknown=0, NotChecked=0, Total=650 [2023-04-03 05:31:09,333 INFO L413 NwaCegarLoop]: 1071 mSDtfsCounter, 8634 mSDsluCounter, 2265 mSDsCounter, 0 mSdLazyCounter, 2430 mSolverCounterSat, 4401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8824 SdHoareTripleChecker+Valid, 3336 SdHoareTripleChecker+Invalid, 6831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4401 IncrementalHoareTripleChecker+Valid, 2430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-04-03 05:31:09,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8824 Valid, 3336 Invalid, 6831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4401 Valid, 2430 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-04-03 05:31:09,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177116 states. [2023-04-03 05:31:17,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177116 to 163398. [2023-04-03 05:31:17,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163398 states, 104806 states have (on average 1.2765585939736275) internal successors, (133791), 109579 states have internal predecessors, (133791), 37722 states have call successors, (37722), 19577 states have call predecessors, (37722), 20869 states have return successors, (40654), 34958 states have call predecessors, (40654), 37718 states have call successors, (40654) [2023-04-03 05:31:18,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163398 states to 163398 states and 212167 transitions. [2023-04-03 05:31:18,318 INFO L78 Accepts]: Start accepts. Automaton has 163398 states and 212167 transitions. Word has length 283 [2023-04-03 05:31:18,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:31:18,319 INFO L495 AbstractCegarLoop]: Abstraction has 163398 states and 212167 transitions. [2023-04-03 05:31:18,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.7) internal successors, (127), 9 states have internal predecessors, (127), 4 states have call successors, (37), 4 states have call predecessors, (37), 5 states have return successors, (34), 5 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-03 05:31:18,320 INFO L276 IsEmpty]: Start isEmpty. Operand 163398 states and 212167 transitions. [2023-04-03 05:31:18,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2023-04-03 05:31:18,352 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:31:18,359 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:31:18,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-03 05:31:18,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 05:31:18,573 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:31:18,573 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:31:18,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1688423960, now seen corresponding path program 1 times [2023-04-03 05:31:18,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:31:18,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919563318] [2023-04-03 05:31:18,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:31:18,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:31:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:31:20,026 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2023-04-03 05:31:20,026 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:31:20,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919563318] [2023-04-03 05:31:20,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919563318] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 05:31:20,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624599432] [2023-04-03 05:31:20,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:31:20,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 05:31:20,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 05:31:20,028 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 05:31:20,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-03 05:31:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:31:22,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 9845 conjuncts, 46 conjunts are in the unsatisfiable core [2023-04-03 05:31:22,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 05:31:22,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-04-03 05:31:22,193 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2023-04-03 05:31:22,193 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 05:31:22,698 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2023-04-03 05:31:22,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624599432] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 05:31:22,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [220688726] [2023-04-03 05:31:22,715 INFO L159 IcfgInterpreter]: Started Sifa with 190 locations of interest [2023-04-03 05:31:22,715 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 05:31:22,718 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 05:31:22,721 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 05:31:22,721 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs