/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 17:11:11,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 17:11:11,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 17:11:11,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 17:11:11,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 17:11:11,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 17:11:11,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 17:11:11,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 17:11:11,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 17:11:11,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 17:11:11,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 17:11:11,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 17:11:11,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 17:11:11,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 17:11:11,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 17:11:11,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 17:11:11,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 17:11:11,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 17:11:11,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 17:11:11,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 17:11:11,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 17:11:11,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 17:11:11,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 17:11:11,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 17:11:11,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 17:11:11,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 17:11:11,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 17:11:11,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 17:11:11,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 17:11:11,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 17:11:11,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 17:11:11,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 17:11:11,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 17:11:11,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 17:11:11,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 17:11:11,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 17:11:11,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 17:11:11,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 17:11:11,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 17:11:11,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 17:11:11,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 17:11:11,748 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 17:11:11,806 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 17:11:11,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 17:11:11,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 17:11:11,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 17:11:11,812 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 17:11:11,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 17:11:11,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 17:11:11,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 17:11:11,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 17:11:11,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 17:11:11,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 17:11:11,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 17:11:11,815 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 17:11:11,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 17:11:11,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 17:11:11,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 17:11:11,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 17:11:11,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 17:11:11,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 17:11:11,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 17:11:11,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 17:11:11,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 17:11:11,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 17:11:11,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 17:11:11,818 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 17:11:11,818 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 17:11:12,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 17:11:12,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 17:11:12,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 17:11:12,290 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 17:11:12,291 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 17:11:12,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2020-12-22 17:11:12,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c4ba26dc/e111ccad86b34f5e8e91a950836c4cbe/FLAG4c478ee47 [2020-12-22 17:11:13,775 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 17:11:13,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2020-12-22 17:11:13,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c4ba26dc/e111ccad86b34f5e8e91a950836c4cbe/FLAG4c478ee47 [2020-12-22 17:11:13,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c4ba26dc/e111ccad86b34f5e8e91a950836c4cbe [2020-12-22 17:11:13,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 17:11:13,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 17:11:13,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 17:11:13,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 17:11:13,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 17:11:13,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 05:11:13" (1/1) ... [2020-12-22 17:11:13,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52994047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:11:13, skipping insertion in model container [2020-12-22 17:11:13,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 05:11:13" (1/1) ... [2020-12-22 17:11:14,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 17:11:14,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 17:11:19,545 WARN L226 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2020-12-22 17:11:19,549 WARN L226 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2020-12-22 17:11:19,549 WARN L226 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2020-12-22 17:11:19,550 WARN L226 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2020-12-22 17:11:19,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 17:11:19,628 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 17:11:20,188 WARN L226 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2020-12-22 17:11:20,189 WARN L226 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2020-12-22 17:11:20,190 WARN L226 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2020-12-22 17:11:20,190 WARN L226 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2020-12-22 17:11:20,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 17:11:21,633 INFO L208 MainTranslator]: Completed translation [2020-12-22 17:11:21,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:11:21 WrapperNode [2020-12-22 17:11:21,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 17:11:21,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 17:11:21,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 17:11:21,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 17:11:21,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:11:21" (1/1) ... [2020-12-22 17:11:21,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:11:21" (1/1) ... [2020-12-22 17:11:24,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 17:11:24,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 17:11:24,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 17:11:24,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 17:11:25,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:11:21" (1/1) ... [2020-12-22 17:11:25,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:11:21" (1/1) ... [2020-12-22 17:11:25,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:11:21" (1/1) ... [2020-12-22 17:11:25,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:11:21" (1/1) ... [2020-12-22 17:11:27,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:11:21" (1/1) ... [2020-12-22 17:11:28,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:11:21" (1/1) ... [2020-12-22 17:11:28,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:11:21" (1/1) ... [2020-12-22 17:11:29,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 17:11:29,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 17:11:29,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 17:11:29,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 17:11:29,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:11:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 17:11:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2020-12-22 17:11:29,556 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2020-12-22 17:11:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2020-12-22 17:11:29,557 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2020-12-22 17:11:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2020-12-22 17:11:29,559 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2020-12-22 17:11:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2020-12-22 17:11:29,559 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2020-12-22 17:11:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-12-22 17:11:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 17:11:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 17:11:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 17:11:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 17:11:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2020-12-22 17:11:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2020-12-22 17:11:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 17:11:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 17:11:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-12-22 17:11:29,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-12-22 17:11:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2020-12-22 17:11:29,561 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2020-12-22 17:11:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 17:11:29,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 17:11:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2020-12-22 17:11:29,562 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2020-12-22 17:11:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 17:11:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 17:11:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2020-12-22 17:11:29,562 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2020-12-22 17:11:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2020-12-22 17:11:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2020-12-22 17:11:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2020-12-22 17:11:29,564 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2020-12-22 17:11:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2020-12-22 17:11:29,564 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2020-12-22 17:11:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 17:11:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2020-12-22 17:11:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2020-12-22 17:11:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2020-12-22 17:11:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2020-12-22 17:11:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 17:11:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2020-12-22 17:11:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2020-12-22 17:11:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2020-12-22 17:11:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2020-12-22 17:11:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 17:11:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2020-12-22 17:11:29,566 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2020-12-22 17:11:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2020-12-22 17:11:29,568 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2020-12-22 17:11:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2020-12-22 17:11:29,568 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2020-12-22 17:11:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 17:11:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2020-12-22 17:11:29,569 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2020-12-22 17:11:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2020-12-22 17:11:29,569 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2020-12-22 17:11:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2020-12-22 17:11:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2020-12-22 17:11:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 17:11:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-12-22 17:12:45,570 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2020-12-22 17:12:45,571 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2020-12-22 17:12:45,571 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2020-12-22 17:12:45,572 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0; [2020-12-22 17:12:45,572 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#4: ldv_switch_0_#res := 0; [2020-12-22 17:12:45,573 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#5: ldv_switch_0_#res := 0; [2020-12-22 17:12:45,573 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#6: ldv_switch_0_#res := 0; [2020-12-22 17:12:45,573 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2020-12-22 17:12:45,573 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#7: ldv_switch_0_#res := 0; [2020-12-22 17:12:45,573 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#8: ldv_switch_0_#res := 0; [2020-12-22 17:12:45,575 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2020-12-22 17:12:45,576 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2020-12-22 17:12:46,285 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 17:12:46,285 INFO L299 CfgBuilder]: Removed 21838 assume(true) statements. [2020-12-22 17:12:46,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 05:12:46 BoogieIcfgContainer [2020-12-22 17:12:46,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 17:12:46,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 17:12:46,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 17:12:46,309 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 17:12:46,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 05:11:13" (1/3) ... [2020-12-22 17:12:46,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f370997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 05:12:46, skipping insertion in model container [2020-12-22 17:12:46,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:11:21" (2/3) ... [2020-12-22 17:12:46,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f370997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 05:12:46, skipping insertion in model container [2020-12-22 17:12:46,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 05:12:46" (3/3) ... [2020-12-22 17:12:46,313 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2020-12-22 17:12:46,319 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 17:12:46,329 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 91 error locations. [2020-12-22 17:12:46,349 INFO L253 AbstractCegarLoop]: Starting to check reachability of 91 error locations. [2020-12-22 17:12:46,427 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 17:12:46,427 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 17:12:46,427 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 17:12:46,428 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 17:12:46,428 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 17:12:46,428 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 17:12:46,428 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 17:12:46,428 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 17:12:46,652 INFO L276 IsEmpty]: Start isEmpty. Operand 17891 states. [2020-12-22 17:12:46,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-22 17:12:46,669 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:12:46,671 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:12:46,672 INFO L429 AbstractCegarLoop]: === Iteration 1 === [dc2114x_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr6ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr5ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr7ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr4ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr3ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr4ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr5ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr6ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr7ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr5ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr4ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr3ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION, dc21140m_autoconfErr3ASSERT_VIOLATIONERROR_FUNCTION, dc21140m_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc21140m_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc21140m_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:12:46,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:12:46,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1649355456, now seen corresponding path program 1 times [2020-12-22 17:12:46,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:12:46,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676049976] [2020-12-22 17:12:46,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:12:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:12:47,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 17:12:47,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676049976] [2020-12-22 17:12:47,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:12:47,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:12:47,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710510032] [2020-12-22 17:12:47,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 17:12:47,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:12:47,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 17:12:47,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 17:12:47,686 INFO L87 Difference]: Start difference. First operand 17891 states. Second operand 3 states. [2020-12-22 17:12:51,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 17:12:51,792 INFO L93 Difference]: Finished difference Result 52311 states and 67734 transitions. [2020-12-22 17:12:51,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 17:12:51,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-12-22 17:12:51,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 17:12:52,069 INFO L225 Difference]: With dead ends: 52311 [2020-12-22 17:12:52,070 INFO L226 Difference]: Without dead ends: 34261 [2020-12-22 17:12:52,371 INFO L677 BasicCegarLoop]: 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 [2020-12-22 17:12:52,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34261 states. [2020-12-22 17:12:53,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34261 to 34131. [2020-12-22 17:12:53,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34131 states. [2020-12-22 17:12:53,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34131 states to 34131 states and 43394 transitions. [2020-12-22 17:12:53,832 INFO L78 Accepts]: Start accepts. Automaton has 34131 states and 43394 transitions. Word has length 60 [2020-12-22 17:12:53,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 17:12:53,835 INFO L481 AbstractCegarLoop]: Abstraction has 34131 states and 43394 transitions. [2020-12-22 17:12:53,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 17:12:53,842 INFO L276 IsEmpty]: Start isEmpty. Operand 34131 states and 43394 transitions. [2020-12-22 17:12:53,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-22 17:12:53,850 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:12:53,850 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:12:53,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 17:12:53,852 INFO L429 AbstractCegarLoop]: === Iteration 2 === [dc2114x_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr6ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr5ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr7ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr4ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr3ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr4ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr5ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr6ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr7ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr5ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr4ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr3ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION, dc21140m_autoconfErr3ASSERT_VIOLATIONERROR_FUNCTION, dc21140m_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc21140m_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc21140m_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:12:53,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:12:53,853 INFO L82 PathProgramCache]: Analyzing trace with hash 831250567, now seen corresponding path program 1 times [2020-12-22 17:12:53,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:12:53,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045867921] [2020-12-22 17:12:53,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:12:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:12:54,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 17:12:54,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045867921] [2020-12-22 17:12:54,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:12:54,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:12:54,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843786117] [2020-12-22 17:12:54,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 17:12:54,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:12:54,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 17:12:54,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 17:12:54,280 INFO L87 Difference]: Start difference. First operand 34131 states and 43394 transitions. Second operand 3 states. [2020-12-22 17:12:59,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 17:12:59,536 INFO L93 Difference]: Finished difference Result 100801 states and 128463 transitions. [2020-12-22 17:12:59,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 17:12:59,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-12-22 17:12:59,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 17:13:01,482 INFO L225 Difference]: With dead ends: 100801 [2020-12-22 17:13:01,482 INFO L226 Difference]: Without dead ends: 66794 [2020-12-22 17:13:01,748 INFO L677 BasicCegarLoop]: 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 [2020-12-22 17:13:01,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66794 states. [2020-12-22 17:13:04,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66794 to 66360. [2020-12-22 17:13:04,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66360 states. [2020-12-22 17:13:04,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66360 states to 66360 states and 84800 transitions. [2020-12-22 17:13:04,375 INFO L78 Accepts]: Start accepts. Automaton has 66360 states and 84800 transitions. Word has length 61 [2020-12-22 17:13:04,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 17:13:04,375 INFO L481 AbstractCegarLoop]: Abstraction has 66360 states and 84800 transitions. [2020-12-22 17:13:04,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 17:13:04,376 INFO L276 IsEmpty]: Start isEmpty. Operand 66360 states and 84800 transitions. [2020-12-22 17:13:04,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-22 17:13:04,382 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:13:04,383 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:13:04,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 17:13:04,385 INFO L429 AbstractCegarLoop]: === Iteration 3 === [dc2114x_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr6ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr5ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr7ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr4ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr3ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr4ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr5ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr6ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr7ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr5ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr4ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr3ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION, dc21140m_autoconfErr3ASSERT_VIOLATIONERROR_FUNCTION, dc21140m_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc21140m_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc21140m_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:13:04,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:13:04,388 INFO L82 PathProgramCache]: Analyzing trace with hash -2012454023, now seen corresponding path program 1 times [2020-12-22 17:13:04,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:13:04,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875051012] [2020-12-22 17:13:04,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:13:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:13:05,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 17:13:05,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875051012] [2020-12-22 17:13:05,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:13:05,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:13:05,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134286655] [2020-12-22 17:13:05,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 17:13:05,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:13:05,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 17:13:05,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 17:13:05,021 INFO L87 Difference]: Start difference. First operand 66360 states and 84800 transitions. Second operand 3 states. [2020-12-22 17:13:10,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 17:13:10,885 INFO L93 Difference]: Finished difference Result 196776 states and 251418 transitions. [2020-12-22 17:13:10,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 17:13:10,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-12-22 17:13:10,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 17:13:11,690 INFO L225 Difference]: With dead ends: 196776 [2020-12-22 17:13:11,690 INFO L226 Difference]: Without dead ends: 130540 [2020-12-22 17:13:12,438 INFO L677 BasicCegarLoop]: 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 [2020-12-22 17:13:12,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130540 states. [2020-12-22 17:13:16,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130540 to 130304. [2020-12-22 17:13:16,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130304 states. [2020-12-22 17:13:17,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130304 states to 130304 states and 166560 transitions. [2020-12-22 17:13:17,440 INFO L78 Accepts]: Start accepts. Automaton has 130304 states and 166560 transitions. Word has length 72 [2020-12-22 17:13:17,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 17:13:17,441 INFO L481 AbstractCegarLoop]: Abstraction has 130304 states and 166560 transitions. [2020-12-22 17:13:17,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 17:13:17,441 INFO L276 IsEmpty]: Start isEmpty. Operand 130304 states and 166560 transitions. [2020-12-22 17:13:17,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-22 17:13:17,448 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:13:17,448 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:13:17,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 17:13:17,449 INFO L429 AbstractCegarLoop]: === Iteration 4 === [dc2114x_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr6ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr5ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr7ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr4ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr3ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr4ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr5ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr6ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr7ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr5ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr4ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr3ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION, dc21140m_autoconfErr3ASSERT_VIOLATIONERROR_FUNCTION, dc21140m_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc21140m_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc21140m_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:13:17,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:13:17,450 INFO L82 PathProgramCache]: Analyzing trace with hash 284913516, now seen corresponding path program 1 times [2020-12-22 17:13:17,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:13:17,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879024861] [2020-12-22 17:13:17,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:13:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:13:18,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 17:13:18,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879024861] [2020-12-22 17:13:18,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:13:18,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:13:18,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969947563] [2020-12-22 17:13:18,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 17:13:18,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:13:18,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 17:13:18,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 17:13:18,098 INFO L87 Difference]: Start difference. First operand 130304 states and 166560 transitions. Second operand 3 states. [2020-12-22 17:13:26,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 17:13:26,969 INFO L93 Difference]: Finished difference Result 386560 states and 493978 transitions. [2020-12-22 17:13:26,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 17:13:26,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-12-22 17:13:26,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 17:13:28,695 INFO L225 Difference]: With dead ends: 386560 [2020-12-22 17:13:28,695 INFO L226 Difference]: Without dead ends: 256380 [2020-12-22 17:13:29,641 INFO L677 BasicCegarLoop]: 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 [2020-12-22 17:13:29,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256380 states. [2020-12-22 17:13:37,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256380 to 256136. [2020-12-22 17:13:37,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256136 states. [2020-12-22 17:13:38,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256136 states to 256136 states and 327332 transitions. [2020-12-22 17:13:38,624 INFO L78 Accepts]: Start accepts. Automaton has 256136 states and 327332 transitions. Word has length 73 [2020-12-22 17:13:38,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 17:13:38,625 INFO L481 AbstractCegarLoop]: Abstraction has 256136 states and 327332 transitions. [2020-12-22 17:13:38,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 17:13:38,625 INFO L276 IsEmpty]: Start isEmpty. Operand 256136 states and 327332 transitions. [2020-12-22 17:13:38,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-22 17:13:38,628 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:13:38,628 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:13:38,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 17:13:38,630 INFO L429 AbstractCegarLoop]: === Iteration 5 === [dc2114x_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr6ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr5ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr7ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr4ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc2114x_autoconfErr3ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr4ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr5ASSERT_VIOLATIONERROR_FUNCTION, dc21040_autoconfErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr6ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr7ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr5ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr4ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr3ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION, dc21140m_autoconfErr3ASSERT_VIOLATIONERROR_FUNCTION, dc21140m_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc21140m_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc21140m_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:13:38,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:13:38,632 INFO L82 PathProgramCache]: Analyzing trace with hash -863678882, now seen corresponding path program 1 times [2020-12-22 17:13:38,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:13:38,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810423559] [2020-12-22 17:13:38,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:13:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:13:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 17:13:39,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810423559] [2020-12-22 17:13:39,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:13:39,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:13:39,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590356618] [2020-12-22 17:13:39,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 17:13:39,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:13:39,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 17:13:39,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 17:13:39,342 INFO L87 Difference]: Start difference. First operand 256136 states and 327332 transitions. Second operand 3 states.