java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/list-simple/dll2n_insert_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:03:43,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:03:43,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:03:43,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:03:43,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:03:43,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:03:43,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:03:43,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:03:43,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:03:43,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:03:43,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:03:43,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:03:43,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:03:43,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:03:43,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:03:43,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:03:43,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:03:43,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:03:43,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:03:43,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:03:43,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:03:43,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:03:43,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:03:43,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:03:43,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:03:43,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:03:43,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:03:43,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:03:43,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:03:43,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:03:43,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:03:43,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:03:43,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:03:43,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:03:43,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:03:43,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:03:43,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:03:43,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:03:43,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:03:43,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:03:43,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:03:43,756 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:03:43,769 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:03:43,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:03:43,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:03:43,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:03:43,771 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:03:43,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:03:43,772 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:03:43,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:03:43,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:03:43,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:03:43,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:03:43,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:03:43,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:03:43,773 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:03:43,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:03:43,774 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:03:43,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:03:43,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:03:43,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:03:43,775 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:03:43,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:03:43,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:03:43,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:03:43,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:03:43,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:03:43,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:03:43,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:03:43,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:03:43,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:03:44,058 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:03:44,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:03:44,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:03:44,081 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:03:44,081 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:03:44,082 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_insert_unequal.i [2019-10-15 01:03:44,151 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a78744cc/0bf61643dc1949989384ba4225662c1e/FLAG5b2c37441 [2019-10-15 01:03:44,682 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:03:44,683 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_insert_unequal.i [2019-10-15 01:03:44,698 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a78744cc/0bf61643dc1949989384ba4225662c1e/FLAG5b2c37441 [2019-10-15 01:03:44,974 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a78744cc/0bf61643dc1949989384ba4225662c1e [2019-10-15 01:03:44,982 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:03:44,984 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:03:44,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:03:44,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:03:44,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:03:44,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:03:44" (1/1) ... [2019-10-15 01:03:44,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aa58e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:44, skipping insertion in model container [2019-10-15 01:03:44,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:03:44" (1/1) ... [2019-10-15 01:03:44,998 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:03:45,052 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:03:45,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:03:45,508 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:03:45,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:03:45,642 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:03:45,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:45 WrapperNode [2019-10-15 01:03:45,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:03:45,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:03:45,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:03:45,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:03:45,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:45" (1/1) ... [2019-10-15 01:03:45,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:45" (1/1) ... [2019-10-15 01:03:45,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:45" (1/1) ... [2019-10-15 01:03:45,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:45" (1/1) ... [2019-10-15 01:03:45,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:45" (1/1) ... [2019-10-15 01:03:45,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:45" (1/1) ... [2019-10-15 01:03:45,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:45" (1/1) ... [2019-10-15 01:03:45,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:03:45,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:03:45,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:03:45,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:03:45,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:45" (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 [2019-10-15 01:03:45,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:03:45,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:03:45,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-15 01:03:45,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-15 01:03:45,775 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-15 01:03:45,775 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-10-15 01:03:45,775 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-10-15 01:03:45,775 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-10-15 01:03:45,776 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert [2019-10-15 01:03:45,776 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:03:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:03:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-15 01:03:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-15 01:03:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-15 01:03:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-15 01:03:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-15 01:03:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-15 01:03:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-15 01:03:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-15 01:03:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-15 01:03:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-15 01:03:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-15 01:03:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-15 01:03:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-15 01:03:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-15 01:03:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-15 01:03:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-15 01:03:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-15 01:03:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-15 01:03:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-15 01:03:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-15 01:03:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-15 01:03:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-15 01:03:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-15 01:03:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-15 01:03:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-15 01:03:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-15 01:03:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-15 01:03:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-15 01:03:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-15 01:03:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-15 01:03:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-15 01:03:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-15 01:03:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-15 01:03:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-15 01:03:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-15 01:03:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-15 01:03:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-15 01:03:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-15 01:03:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-15 01:03:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-15 01:03:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-15 01:03:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-15 01:03:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-15 01:03:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-15 01:03:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-15 01:03:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-15 01:03:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-15 01:03:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-15 01:03:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-15 01:03:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-15 01:03:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-15 01:03:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-15 01:03:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:03:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 01:03:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-15 01:03:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:03:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-15 01:03:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-15 01:03:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-15 01:03:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-15 01:03:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-15 01:03:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-15 01:03:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-15 01:03:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-15 01:03:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-15 01:03:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:03:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-15 01:03:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-15 01:03:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-15 01:03:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-15 01:03:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-15 01:03:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-15 01:03:45,788 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-15 01:03:45,788 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-15 01:03:45,788 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-15 01:03:45,788 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-15 01:03:45,788 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-15 01:03:45,788 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-15 01:03:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-15 01:03:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-15 01:03:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-15 01:03:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-15 01:03:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-15 01:03:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-15 01:03:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-15 01:03:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-15 01:03:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-15 01:03:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-15 01:03:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-15 01:03:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-15 01:03:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-15 01:03:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-15 01:03:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-15 01:03:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-15 01:03:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-15 01:03:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-15 01:03:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-15 01:03:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-15 01:03:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-15 01:03:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-15 01:03:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-15 01:03:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-15 01:03:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-15 01:03:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-15 01:03:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-15 01:03:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-15 01:03:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-10-15 01:03:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:03:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:03:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:03:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-10-15 01:03:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-10-15 01:03:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:03:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:03:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert [2019-10-15 01:03:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:03:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:03:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 01:03:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:03:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:03:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:03:46,261 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-15 01:03:46,453 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:03:46,453 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:03:46,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:03:46 BoogieIcfgContainer [2019-10-15 01:03:46,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:03:46,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:03:46,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:03:46,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:03:46,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:03:44" (1/3) ... [2019-10-15 01:03:46,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c478de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:03:46, skipping insertion in model container [2019-10-15 01:03:46,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:45" (2/3) ... [2019-10-15 01:03:46,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c478de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:03:46, skipping insertion in model container [2019-10-15 01:03:46,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:03:46" (3/3) ... [2019-10-15 01:03:46,463 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2n_insert_unequal.i [2019-10-15 01:03:46,473 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:03:46,480 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:03:46,492 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:03:46,512 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:03:46,512 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:03:46,512 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:03:46,513 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:03:46,513 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:03:46,513 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:03:46,513 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:03:46,513 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:03:46,532 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2019-10-15 01:03:46,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-15 01:03:46,539 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:46,540 INFO L380 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] [2019-10-15 01:03:46,542 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:46,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:46,547 INFO L82 PathProgramCache]: Analyzing trace with hash 405466376, now seen corresponding path program 1 times [2019-10-15 01:03:46,557 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:46,557 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994120490] [2019-10-15 01:03:46,558 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:46,558 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:46,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:46,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:03:46,783 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994120490] [2019-10-15 01:03:46,784 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:03:46,784 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:03:46,784 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490110407] [2019-10-15 01:03:46,791 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:03:46,796 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:46,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:03:46,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:03:46,817 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2019-10-15 01:03:46,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:46,862 INFO L93 Difference]: Finished difference Result 100 states and 136 transitions. [2019-10-15 01:03:46,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:03:46,863 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 31 [2019-10-15 01:03:46,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:46,878 INFO L225 Difference]: With dead ends: 100 [2019-10-15 01:03:46,879 INFO L226 Difference]: Without dead ends: 43 [2019-10-15 01:03:46,884 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:03:46,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-10-15 01:03:46,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-10-15 01:03:46,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-10-15 01:03:46,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2019-10-15 01:03:46,929 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 53 transitions. Word has length 31 [2019-10-15 01:03:46,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:46,930 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 53 transitions. [2019-10-15 01:03:46,930 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:03:46,930 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2019-10-15 01:03:46,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-15 01:03:46,931 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:46,932 INFO L380 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] [2019-10-15 01:03:46,932 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:46,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:46,932 INFO L82 PathProgramCache]: Analyzing trace with hash -954650364, now seen corresponding path program 1 times [2019-10-15 01:03:46,933 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:46,933 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284393881] [2019-10-15 01:03:46,933 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:46,933 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:46,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:47,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:03:47,075 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284393881] [2019-10-15 01:03:47,075 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:03:47,076 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:03:47,076 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097340468] [2019-10-15 01:03:47,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:03:47,079 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:47,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:03:47,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:03:47,080 INFO L87 Difference]: Start difference. First operand 43 states and 53 transitions. Second operand 3 states. [2019-10-15 01:03:47,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:47,104 INFO L93 Difference]: Finished difference Result 60 states and 77 transitions. [2019-10-15 01:03:47,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:03:47,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2019-10-15 01:03:47,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:47,108 INFO L225 Difference]: With dead ends: 60 [2019-10-15 01:03:47,108 INFO L226 Difference]: Without dead ends: 47 [2019-10-15 01:03:47,109 INFO L600 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 [2019-10-15 01:03:47,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-10-15 01:03:47,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2019-10-15 01:03:47,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-10-15 01:03:47,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2019-10-15 01:03:47,118 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 56 transitions. Word has length 31 [2019-10-15 01:03:47,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:47,118 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 56 transitions. [2019-10-15 01:03:47,118 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:03:47,118 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2019-10-15 01:03:47,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-15 01:03:47,119 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:47,120 INFO L380 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] [2019-10-15 01:03:47,120 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:47,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:47,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1456779385, now seen corresponding path program 1 times [2019-10-15 01:03:47,120 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:47,121 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610765201] [2019-10-15 01:03:47,121 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:47,121 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:47,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:47,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:03:47,298 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610765201] [2019-10-15 01:03:47,298 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:03:47,299 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:03:47,299 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508795801] [2019-10-15 01:03:47,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:03:47,300 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:47,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:03:47,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:03:47,301 INFO L87 Difference]: Start difference. First operand 45 states and 56 transitions. Second operand 9 states. [2019-10-15 01:03:47,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:47,422 INFO L93 Difference]: Finished difference Result 86 states and 109 transitions. [2019-10-15 01:03:47,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:03:47,422 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2019-10-15 01:03:47,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:47,424 INFO L225 Difference]: With dead ends: 86 [2019-10-15 01:03:47,424 INFO L226 Difference]: Without dead ends: 54 [2019-10-15 01:03:47,425 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-10-15 01:03:47,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-10-15 01:03:47,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 46. [2019-10-15 01:03:47,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-10-15 01:03:47,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2019-10-15 01:03:47,432 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 57 transitions. Word has length 32 [2019-10-15 01:03:47,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:47,432 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 57 transitions. [2019-10-15 01:03:47,432 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:03:47,433 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2019-10-15 01:03:47,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-15 01:03:47,434 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:47,434 INFO L380 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] [2019-10-15 01:03:47,434 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:47,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:47,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1565838603, now seen corresponding path program 1 times [2019-10-15 01:03:47,435 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:47,435 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311373540] [2019-10-15 01:03:47,435 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:47,435 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:47,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:47,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:03:47,508 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311373540] [2019-10-15 01:03:47,508 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:03:47,508 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:03:47,508 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413884642] [2019-10-15 01:03:47,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:03:47,509 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:47,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:03:47,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:03:47,510 INFO L87 Difference]: Start difference. First operand 46 states and 57 transitions. Second operand 3 states. [2019-10-15 01:03:47,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:47,543 INFO L93 Difference]: Finished difference Result 87 states and 110 transitions. [2019-10-15 01:03:47,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:03:47,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-10-15 01:03:47,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:47,544 INFO L225 Difference]: With dead ends: 87 [2019-10-15 01:03:47,544 INFO L226 Difference]: Without dead ends: 50 [2019-10-15 01:03:47,545 INFO L600 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 [2019-10-15 01:03:47,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-10-15 01:03:47,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2019-10-15 01:03:47,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-10-15 01:03:47,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2019-10-15 01:03:47,552 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 37 [2019-10-15 01:03:47,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:47,552 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2019-10-15 01:03:47,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:03:47,552 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2019-10-15 01:03:47,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-15 01:03:47,553 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:47,554 INFO L380 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] [2019-10-15 01:03:47,554 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:47,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:47,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1627878217, now seen corresponding path program 1 times [2019-10-15 01:03:47,554 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:47,555 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024699468] [2019-10-15 01:03:47,555 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:47,555 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:47,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:47,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:03:47,668 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024699468] [2019-10-15 01:03:47,669 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371389997] [2019-10-15 01:03:47,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:03:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:47,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-15 01:03:47,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:03:47,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:03:47,881 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:03:48,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:03:48,009 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [500637932] [2019-10-15 01:03:48,016 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 38 [2019-10-15 01:03:48,059 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:03:48,060 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:03:48,129 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:03:48,132 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 21 root evaluator evaluations with a maximum evaluation depth of 0. Performed 21 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 34 variables. [2019-10-15 01:03:48,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:48,136 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:03:48,177 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes. [2019-10-15 01:03:48,177 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:03:48,179 INFO L553 sIntCurrentIteration]: We unified 36 AI predicates to 36 [2019-10-15 01:03:48,179 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:03:48,179 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:03:48,180 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10, 6, 6] total 12 [2019-10-15 01:03:48,180 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469186803] [2019-10-15 01:03:48,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:03:48,181 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:48,181 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:03:48,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:03:48,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:03:48,182 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand 2 states. [2019-10-15 01:03:48,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:48,184 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2019-10-15 01:03:48,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:03:48,184 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 37 [2019-10-15 01:03:48,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:48,185 INFO L225 Difference]: With dead ends: 49 [2019-10-15 01:03:48,185 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:03:48,185 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:03:48,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:03:48,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:03:48,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:03:48,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:03:48,186 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2019-10-15 01:03:48,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:48,186 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:03:48,187 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:03:48,187 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:03:48,187 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:03:48,392 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:03:48,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:03:48,466 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:03:48,466 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:03:48,466 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:03:48,466 INFO L446 ceAbstractionStarter]: At program point myexitENTRY(lines 561 563) the Hoare annotation is: true [2019-10-15 01:03:48,466 INFO L443 ceAbstractionStarter]: For program point myexitEXIT(lines 561 563) no Hoare annotation was computed. [2019-10-15 01:03:48,466 INFO L446 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: true [2019-10-15 01:03:48,467 INFO L443 ceAbstractionStarter]: For program point L578-1(lines 578 580) no Hoare annotation was computed. [2019-10-15 01:03:48,467 INFO L446 ceAbstractionStarter]: At program point dll_createENTRY(lines 574 591) the Hoare annotation is: true [2019-10-15 01:03:48,467 INFO L446 ceAbstractionStarter]: At program point L576-2(lines 576 589) the Hoare annotation is: true [2019-10-15 01:03:48,467 INFO L443 ceAbstractionStarter]: For program point L576-3(lines 576 589) no Hoare annotation was computed. [2019-10-15 01:03:48,468 INFO L443 ceAbstractionStarter]: For program point dll_createFINAL(lines 574 591) no Hoare annotation was computed. [2019-10-15 01:03:48,468 INFO L446 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: true [2019-10-15 01:03:48,468 INFO L443 ceAbstractionStarter]: For program point dll_createEXIT(lines 574 591) no Hoare annotation was computed. [2019-10-15 01:03:48,468 INFO L443 ceAbstractionStarter]: For program point L584(lines 584 586) no Hoare annotation was computed. [2019-10-15 01:03:48,468 INFO L443 ceAbstractionStarter]: For program point L584-2(lines 584 586) no Hoare annotation was computed. [2019-10-15 01:03:48,468 INFO L443 ceAbstractionStarter]: For program point L578(lines 578 580) no Hoare annotation was computed. [2019-10-15 01:03:48,468 INFO L443 ceAbstractionStarter]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2019-10-15 01:03:48,469 INFO L443 ceAbstractionStarter]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2019-10-15 01:03:48,469 INFO L443 ceAbstractionStarter]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2019-10-15 01:03:48,469 INFO L443 ceAbstractionStarter]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2019-10-15 01:03:48,469 INFO L443 ceAbstractionStarter]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2019-10-15 01:03:48,471 INFO L443 ceAbstractionStarter]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2019-10-15 01:03:48,471 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:03:48,471 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-15 01:03:48,471 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:03:48,471 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:03:48,471 INFO L446 ceAbstractionStarter]: At program point dll_insertENTRY(lines 599 622) the Hoare annotation is: true [2019-10-15 01:03:48,471 INFO L446 ceAbstractionStarter]: At program point L603-2(lines 603 607) the Hoare annotation is: true [2019-10-15 01:03:48,472 INFO L443 ceAbstractionStarter]: For program point L603-3(lines 599 622) no Hoare annotation was computed. [2019-10-15 01:03:48,472 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 614) no Hoare annotation was computed. [2019-10-15 01:03:48,472 INFO L443 ceAbstractionStarter]: For program point L608(lines 599 622) no Hoare annotation was computed. [2019-10-15 01:03:48,472 INFO L443 ceAbstractionStarter]: For program point dll_insertEXIT(lines 599 622) no Hoare annotation was computed. [2019-10-15 01:03:48,472 INFO L446 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: true [2019-10-15 01:03:48,472 INFO L443 ceAbstractionStarter]: For program point L600-1(line 600) no Hoare annotation was computed. [2019-10-15 01:03:48,472 INFO L443 ceAbstractionStarter]: For program point L617(lines 617 619) no Hoare annotation was computed. [2019-10-15 01:03:48,472 INFO L443 ceAbstractionStarter]: For program point L617-2(lines 617 619) no Hoare annotation was computed. [2019-10-15 01:03:48,472 INFO L443 ceAbstractionStarter]: For program point L640(lines 640 642) no Hoare annotation was computed. [2019-10-15 01:03:48,473 INFO L443 ceAbstractionStarter]: For program point L634(lines 634 636) no Hoare annotation was computed. [2019-10-15 01:03:48,473 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 623 660) no Hoare annotation was computed. [2019-10-15 01:03:48,473 INFO L439 ceAbstractionStarter]: At program point L632-2(lines 632 639) the Hoare annotation is: false [2019-10-15 01:03:48,473 INFO L443 ceAbstractionStarter]: For program point L632-3(lines 632 639) no Hoare annotation was computed. [2019-10-15 01:03:48,473 INFO L439 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: false [2019-10-15 01:03:48,473 INFO L443 ceAbstractionStarter]: For program point L626-1(line 626) no Hoare annotation was computed. [2019-10-15 01:03:48,473 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 623 660) no Hoare annotation was computed. [2019-10-15 01:03:48,473 INFO L443 ceAbstractionStarter]: For program point L647(lines 647 649) no Hoare annotation was computed. [2019-10-15 01:03:48,474 INFO L439 ceAbstractionStarter]: At program point L645-2(lines 645 652) the Hoare annotation is: false [2019-10-15 01:03:48,474 INFO L443 ceAbstractionStarter]: For program point L645-3(lines 623 660) no Hoare annotation was computed. [2019-10-15 01:03:48,474 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 623 660) the Hoare annotation is: true [2019-10-15 01:03:48,474 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 658) no Hoare annotation was computed. [2019-10-15 01:03:48,474 INFO L439 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: false [2019-10-15 01:03:48,474 INFO L443 ceAbstractionStarter]: For program point L629-1(line 629) no Hoare annotation was computed. [2019-10-15 01:03:48,475 INFO L446 ceAbstractionStarter]: At program point L656(line 656) the Hoare annotation is: true [2019-10-15 01:03:48,475 INFO L443 ceAbstractionStarter]: For program point L656-1(line 656) no Hoare annotation was computed. [2019-10-15 01:03:48,475 INFO L439 ceAbstractionStarter]: At program point L654(lines 623 660) the Hoare annotation is: false [2019-10-15 01:03:48,475 INFO L443 ceAbstractionStarter]: For program point dll_destroyEXIT(lines 592 598) no Hoare annotation was computed. [2019-10-15 01:03:48,475 INFO L446 ceAbstractionStarter]: At program point dll_destroyENTRY(lines 592 598) the Hoare annotation is: true [2019-10-15 01:03:48,475 INFO L446 ceAbstractionStarter]: At program point L593-2(lines 593 597) the Hoare annotation is: true [2019-10-15 01:03:48,475 INFO L443 ceAbstractionStarter]: For program point L593-3(lines 592 598) no Hoare annotation was computed. [2019-10-15 01:03:48,476 INFO L446 ceAbstractionStarter]: At program point node_createENTRY(lines 564 573) the Hoare annotation is: true [2019-10-15 01:03:48,476 INFO L443 ceAbstractionStarter]: For program point node_createFINAL(lines 564 573) no Hoare annotation was computed. [2019-10-15 01:03:48,476 INFO L446 ceAbstractionStarter]: At program point L567(line 567) the Hoare annotation is: true [2019-10-15 01:03:48,476 INFO L443 ceAbstractionStarter]: For program point L566(lines 566 568) no Hoare annotation was computed. [2019-10-15 01:03:48,476 INFO L443 ceAbstractionStarter]: For program point node_createEXIT(lines 564 573) no Hoare annotation was computed. [2019-10-15 01:03:48,476 INFO L443 ceAbstractionStarter]: For program point L566-1(lines 566 568) no Hoare annotation was computed. [2019-10-15 01:03:48,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:03:48 BoogieIcfgContainer [2019-10-15 01:03:48,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:03:48,488 INFO L168 Benchmark]: Toolchain (without parser) took 3503.23 ms. Allocated memory was 140.0 MB in the beginning and 244.8 MB in the end (delta: 104.9 MB). Free memory was 101.7 MB in the beginning and 177.0 MB in the end (delta: -75.3 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:03:48,488 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory is still 121.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 01:03:48,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.99 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 167.3 MB in the end (delta: -65.6 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:03:48,490 INFO L168 Benchmark]: Boogie Preprocessor took 75.10 ms. Allocated memory is still 203.9 MB. Free memory was 167.3 MB in the beginning and 164.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:03:48,491 INFO L168 Benchmark]: RCFGBuilder took 730.89 ms. Allocated memory is still 203.9 MB. Free memory was 164.5 MB in the beginning and 110.3 MB in the end (delta: 54.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:03:48,492 INFO L168 Benchmark]: TraceAbstraction took 2028.92 ms. Allocated memory was 203.9 MB in the beginning and 244.8 MB in the end (delta: 40.9 MB). Free memory was 110.3 MB in the beginning and 177.0 MB in the end (delta: -66.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 01:03:48,495 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory is still 121.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.99 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 167.3 MB in the end (delta: -65.6 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.10 ms. Allocated memory is still 203.9 MB. Free memory was 167.3 MB in the beginning and 164.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 730.89 ms. Allocated memory is still 203.9 MB. Free memory was 164.5 MB in the beginning and 110.3 MB in the end (delta: 54.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2028.92 ms. Allocated memory was 203.9 MB in the beginning and 244.8 MB in the end (delta: 40.9 MB). Free memory was 110.3 MB in the beginning and 177.0 MB in the end (delta: -66.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 658]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 645]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 64 locations, 1 error locations. Result: SAFE, OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 223 SDtfs, 36 SDslu, 350 SDs, 0 SdLazy, 74 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 11 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 43 PreInvPairs, 44 NumberOfFragments, 22 HoareAnnotationTreeSize, 43 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 235 ConstructedInterpolants, 0 QuantifiedInterpolants, 13987 SizeOfPredicates, 2 NumberOfNonLiveVariables, 229 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 1/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 121, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 0.9722222222222222, AVG_VARS_REMOVED_DURING_WEAKENING: 1.8055555555555556, AVG_WEAKENED_CONJUNCTS: 0.16666666666666666, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...