/usr/bin/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/forester-heap/sll-rb-cnstr_1-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 22:59:16,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 22:59:16,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 22:59:16,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 22:59:16,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 22:59:16,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 22:59:16,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 22:59:16,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 22:59:16,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 22:59:16,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 22:59:16,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 22:59:16,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 22:59:16,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 22:59:16,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 22:59:16,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 22:59:16,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 22:59:16,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 22:59:16,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 22:59:16,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 22:59:16,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 22:59:16,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 22:59:16,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 22:59:16,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 22:59:16,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 22:59:16,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 22:59:16,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 22:59:16,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 22:59:16,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 22:59:16,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 22:59:16,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 22:59:16,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 22:59:16,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 22:59:16,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 22:59:16,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 22:59:16,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 22:59:16,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 22:59:16,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 22:59:16,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 22:59:16,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 22:59:16,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 22:59:16,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 22:59:16,900 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 [2019-11-06 22:59:16,916 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 22:59:16,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 22:59:16,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 22:59:16,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 22:59:16,918 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 22:59:16,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 22:59:16,918 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 22:59:16,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 22:59:16,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 22:59:16,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 22:59:16,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 22:59:16,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 22:59:16,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 22:59:16,919 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 22:59:16,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 22:59:16,920 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 22:59:16,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 22:59:16,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 22:59:16,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 22:59:16,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 22:59:16,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 22:59:16,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 22:59:16,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 22:59:16,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 22:59:16,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 22:59:16,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 22:59:16,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 22:59:16,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 22:59:16,922 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 [2019-11-06 22:59:17,220 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 22:59:17,239 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 22:59:17,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 22:59:17,244 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 22:59:17,245 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 22:59:17,245 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-rb-cnstr_1-1.i [2019-11-06 22:59:17,306 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6228960d5/c7df05ded3b741c1a00a28d606374dfa/FLAGe338a19ac [2019-11-06 22:59:17,860 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 22:59:17,860 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-rb-cnstr_1-1.i [2019-11-06 22:59:17,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6228960d5/c7df05ded3b741c1a00a28d606374dfa/FLAGe338a19ac [2019-11-06 22:59:18,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6228960d5/c7df05ded3b741c1a00a28d606374dfa [2019-11-06 22:59:18,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 22:59:18,160 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 22:59:18,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 22:59:18,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 22:59:18,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 22:59:18,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:59:18" (1/1) ... [2019-11-06 22:59:18,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c56e361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:18, skipping insertion in model container [2019-11-06 22:59:18,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:59:18" (1/1) ... [2019-11-06 22:59:18,176 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 22:59:18,218 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 22:59:18,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 22:59:18,640 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 22:59:18,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 22:59:18,759 INFO L192 MainTranslator]: Completed translation [2019-11-06 22:59:18,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:18 WrapperNode [2019-11-06 22:59:18,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 22:59:18,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 22:59:18,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 22:59:18,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 22:59:18,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:18" (1/1) ... [2019-11-06 22:59:18,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:18" (1/1) ... [2019-11-06 22:59:18,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:18" (1/1) ... [2019-11-06 22:59:18,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:18" (1/1) ... [2019-11-06 22:59:18,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:18" (1/1) ... [2019-11-06 22:59:18,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:18" (1/1) ... [2019-11-06 22:59:18,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:18" (1/1) ... [2019-11-06 22:59:18,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 22:59:18,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 22:59:18,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 22:59:18,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 22:59:18,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:18" (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 [2019-11-06 22:59:18,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 22:59:18,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 22:59:18,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 22:59:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-06 22:59:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-06 22:59:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-06 22:59:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-06 22:59:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-06 22:59:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-06 22:59:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-06 22:59:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-06 22:59:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-06 22:59:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-06 22:59:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-06 22:59:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-06 22:59:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-06 22:59:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-06 22:59:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-06 22:59:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-06 22:59:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-06 22:59:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-06 22:59:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-06 22:59:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-06 22:59:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-06 22:59:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-06 22:59:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-06 22:59:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-06 22:59:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-06 22:59:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-06 22:59:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-06 22:59:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-06 22:59:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-06 22:59:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-06 22:59:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-06 22:59:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-06 22:59:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-06 22:59:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-06 22:59:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-06 22:59:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-06 22:59:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-06 22:59:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-06 22:59:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-06 22:59:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-06 22:59:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-06 22:59:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-06 22:59:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-06 22:59:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-06 22:59:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-06 22:59:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-06 22:59:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-06 22:59:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-06 22:59:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-06 22:59:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-06 22:59:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 22:59:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-06 22:59:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-06 22:59:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 22:59:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-06 22:59:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-06 22:59:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-06 22:59:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-06 22:59:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-06 22:59:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-06 22:59:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-06 22:59:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-06 22:59:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-06 22:59:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 22:59:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-06 22:59:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-06 22:59:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-06 22:59:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-06 22:59:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-06 22:59:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-06 22:59:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-06 22:59:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-06 22:59:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-06 22:59:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-06 22:59:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-06 22:59:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-06 22:59:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-06 22:59:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-06 22:59:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-06 22:59:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-06 22:59:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-06 22:59:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-06 22:59:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-06 22:59:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-06 22:59:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-06 22:59:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-06 22:59:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-06 22:59:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-06 22:59:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-06 22:59:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-06 22:59:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-06 22:59:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-06 22:59:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-06 22:59:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-06 22:59:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-06 22:59:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-06 22:59:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-06 22:59:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-06 22:59:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-06 22:59:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-06 22:59:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-06 22:59:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-06 22:59:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-06 22:59:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 22:59:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 22:59:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 22:59:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 22:59:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 22:59:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 22:59:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 22:59:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 22:59:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 22:59:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 22:59:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 22:59:19,461 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 22:59:19,462 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-06 22:59:19,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:19 BoogieIcfgContainer [2019-11-06 22:59:19,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 22:59:19,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 22:59:19,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 22:59:19,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 22:59:19,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:59:18" (1/3) ... [2019-11-06 22:59:19,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25976442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:59:19, skipping insertion in model container [2019-11-06 22:59:19,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:18" (2/3) ... [2019-11-06 22:59:19,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25976442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:59:19, skipping insertion in model container [2019-11-06 22:59:19,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:19" (3/3) ... [2019-11-06 22:59:19,471 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-rb-cnstr_1-1.i [2019-11-06 22:59:19,481 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 22:59:19,488 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-06 22:59:19,500 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-06 22:59:19,524 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 22:59:19,525 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 22:59:19,525 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 22:59:19,525 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 22:59:19,525 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 22:59:19,526 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 22:59:19,526 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 22:59:19,526 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 22:59:19,544 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2019-11-06 22:59:19,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-06 22:59:19,550 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:59:19,552 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 22:59:19,554 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:59:19,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:59:19,560 INFO L82 PathProgramCache]: Analyzing trace with hash -742552803, now seen corresponding path program 1 times [2019-11-06 22:59:19,570 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 22:59:19,570 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437351125] [2019-11-06 22:59:19,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:59:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:59:19,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:59:19,763 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437351125] [2019-11-06 22:59:19,764 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:59:19,764 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-06 22:59:19,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516925940] [2019-11-06 22:59:19,771 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-06 22:59:19,773 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 22:59:19,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-06 22:59:19,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-06 22:59:19,794 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2019-11-06 22:59:19,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:59:19,821 INFO L93 Difference]: Finished difference Result 67 states and 104 transitions. [2019-11-06 22:59:19,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-06 22:59:19,822 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-06 22:59:19,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:59:19,833 INFO L225 Difference]: With dead ends: 67 [2019-11-06 22:59:19,833 INFO L226 Difference]: Without dead ends: 31 [2019-11-06 22:59:19,837 INFO L630 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 [2019-11-06 22:59:19,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-06 22:59:19,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-11-06 22:59:19,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-06 22:59:19,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2019-11-06 22:59:19,877 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 10 [2019-11-06 22:59:19,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:59:19,878 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2019-11-06 22:59:19,878 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-06 22:59:19,878 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2019-11-06 22:59:19,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-06 22:59:19,879 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:59:19,879 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 22:59:19,879 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:59:19,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:59:19,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1556669446, now seen corresponding path program 1 times [2019-11-06 22:59:19,880 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 22:59:19,880 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670741420] [2019-11-06 22:59:19,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:59:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:59:19,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:59:19,975 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670741420] [2019-11-06 22:59:19,977 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:59:19,977 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 22:59:19,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003838744] [2019-11-06 22:59:19,979 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-06 22:59:19,980 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 22:59:19,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 22:59:19,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-06 22:59:19,981 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand 4 states. [2019-11-06 22:59:20,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:59:20,069 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2019-11-06 22:59:20,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-06 22:59:20,070 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-06 22:59:20,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:59:20,071 INFO L225 Difference]: With dead ends: 34 [2019-11-06 22:59:20,071 INFO L226 Difference]: Without dead ends: 32 [2019-11-06 22:59:20,072 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-06 22:59:20,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-11-06 22:59:20,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2019-11-06 22:59:20,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-06 22:59:20,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2019-11-06 22:59:20,078 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 11 [2019-11-06 22:59:20,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:59:20,078 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2019-11-06 22:59:20,079 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-06 22:59:20,079 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2019-11-06 22:59:20,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-06 22:59:20,079 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:59:20,080 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 22:59:20,080 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:59:20,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:59:20,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1973625457, now seen corresponding path program 1 times [2019-11-06 22:59:20,081 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 22:59:20,081 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585233386] [2019-11-06 22:59:20,081 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:59:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:59:20,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:59:20,202 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585233386] [2019-11-06 22:59:20,203 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:59:20,203 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 22:59:20,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057278023] [2019-11-06 22:59:20,204 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 22:59:20,204 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 22:59:20,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 22:59:20,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 22:59:20,207 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 5 states. [2019-11-06 22:59:20,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:59:20,338 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2019-11-06 22:59:20,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-06 22:59:20,339 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-11-06 22:59:20,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:59:20,340 INFO L225 Difference]: With dead ends: 54 [2019-11-06 22:59:20,340 INFO L226 Difference]: Without dead ends: 52 [2019-11-06 22:59:20,341 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-06 22:59:20,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-11-06 22:59:20,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 36. [2019-11-06 22:59:20,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-06 22:59:20,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2019-11-06 22:59:20,356 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 14 [2019-11-06 22:59:20,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:59:20,357 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2019-11-06 22:59:20,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 22:59:20,357 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2019-11-06 22:59:20,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-06 22:59:20,358 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:59:20,358 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 22:59:20,359 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:59:20,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:59:20,359 INFO L82 PathProgramCache]: Analyzing trace with hash -954667545, now seen corresponding path program 1 times [2019-11-06 22:59:20,360 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 22:59:20,360 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050251491] [2019-11-06 22:59:20,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:59:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:59:20,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:59:20,631 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050251491] [2019-11-06 22:59:20,631 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072803031] [2019-11-06 22:59:20,632 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 [2019-11-06 22:59:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:59:20,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 33 conjunts are in the unsatisfiable core [2019-11-06 22:59:20,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 22:59:20,858 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-06 22:59:20,858 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-06 22:59:20,877 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-06 22:59:20,884 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-11-06 22:59:20,884 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-06 22:59:20,900 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-06 22:59:20,900 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-06 22:59:20,901 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:24 [2019-11-06 22:59:20,962 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-06 22:59:20,963 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-11-06 22:59:20,964 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-06 22:59:21,013 INFO L567 ElimStorePlain]: treesize reduction 14, result has 80.3 percent of original size [2019-11-06 22:59:21,023 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-06 22:59:21,026 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2019-11-06 22:59:21,027 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-06 22:59:21,043 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-06 22:59:21,049 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2019-11-06 22:59:21,050 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-06 22:59:21,061 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-06 22:59:21,061 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-06 22:59:21,062 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:59, output treesize:27 [2019-11-06 22:59:21,125 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-06 22:59:21,126 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2019-11-06 22:59:21,127 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-06 22:59:21,165 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-06 22:59:21,168 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_26|, |v_#memory_int_27|], 4=[|v_#memory_int_29|]} [2019-11-06 22:59:21,176 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-06 22:59:21,202 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-06 22:59:21,206 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-06 22:59:21,231 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-06 22:59:21,240 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-06 22:59:21,268 INFO L341 Elim1Store]: treesize reduction 42, result has 28.8 percent of original size [2019-11-06 22:59:21,269 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 45 [2019-11-06 22:59:21,271 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-06 22:59:21,295 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-06 22:59:21,298 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-11-06 22:59:21,299 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:80, output treesize:43 [2019-11-06 22:59:21,464 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 13 [2019-11-06 22:59:21,465 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-06 22:59:21,479 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-06 22:59:21,480 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-06 22:59:21,481 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:45, output treesize:3 [2019-11-06 22:59:21,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:59:21,487 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-06 22:59:21,519 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_27|], 3=[|v_#memory_int_26|]} [2019-11-06 22:59:21,524 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-06 22:59:21,542 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-06 22:59:21,547 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-06 22:59:21,557 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-06 22:59:21,558 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-11-06 22:59:21,559 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:63, output treesize:55 [2019-11-06 22:59:21,608 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_25|], 6=[|v_#memory_int_31|]} [2019-11-06 22:59:21,613 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-06 22:59:21,637 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-06 22:59:21,642 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-06 22:59:21,661 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-06 22:59:21,663 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: 8 dim-0 vars, and 1 xjuncts. [2019-11-06 22:59:21,663 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:96, output treesize:102 [2019-11-06 22:59:21,765 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-06 22:59:21,766 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26 [2019-11-06 22:59:21,766 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-06 22:59:21,769 INFO L567 ElimStorePlain]: treesize reduction 105, result has 0.9 percent of original size [2019-11-06 22:59:21,771 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_int_24| vanished before elimination [2019-11-06 22:59:21,771 INFO L496 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-06 22:59:21,772 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 11 variables, input treesize:118, output treesize:1 [2019-11-06 22:59:21,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:59:21,780 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1200795684] [2019-11-06 22:59:21,790 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 18 [2019-11-06 22:59:21,835 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-06 22:59:21,836 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-06 22:59:21,912 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-06 22:59:21,914 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 19 root evaluator evaluations with a maximum evaluation depth of 0. Performed 19 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 35 variables. [2019-11-06 22:59:21,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:59:21,918 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-06 22:59:21,973 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes. [2019-11-06 22:59:21,973 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-06 22:59:21,975 INFO L553 sIntCurrentIteration]: We unified 16 AI predicates to 16 [2019-11-06 22:59:21,975 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-06 22:59:21,975 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-06 22:59:21,976 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 7] total 14 [2019-11-06 22:59:21,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560772611] [2019-11-06 22:59:21,977 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-06 22:59:21,977 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 22:59:21,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 22:59:21,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2019-11-06 22:59:21,978 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand 2 states. [2019-11-06 22:59:21,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:59:21,980 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2019-11-06 22:59:21,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-06 22:59:21,981 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2019-11-06 22:59:21,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:59:21,981 INFO L225 Difference]: With dead ends: 36 [2019-11-06 22:59:21,981 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 22:59:21,982 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2019-11-06 22:59:21,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 22:59:21,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 22:59:21,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 22:59:21,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 22:59:21,983 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2019-11-06 22:59:21,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:59:21,983 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 22:59:21,983 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-06 22:59:21,983 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 22:59:21,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 22:59:22,187 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 22:59:22,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 22:59:22,217 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 22:59:22,217 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-06 22:59:22,217 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 22:59:22,217 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 22:59:22,217 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-06 22:59:22,217 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 22:59:22,218 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 22:59:22,218 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 992 1061) no Hoare annotation was computed. [2019-11-06 22:59:22,218 INFO L443 ceAbstractionStarter]: For program point L1043-1(lines 1043 1058) no Hoare annotation was computed. [2019-11-06 22:59:22,218 INFO L443 ceAbstractionStarter]: For program point L1035-1(line 1035) no Hoare annotation was computed. [2019-11-06 22:59:22,218 INFO L443 ceAbstractionStarter]: For program point L1002-1(lines 1002 1021) no Hoare annotation was computed. [2019-11-06 22:59:22,218 INFO L443 ceAbstractionStarter]: For program point L1035-3(line 1035) no Hoare annotation was computed. [2019-11-06 22:59:22,218 INFO L443 ceAbstractionStarter]: For program point L1002-3(lines 1002 1021) no Hoare annotation was computed. [2019-11-06 22:59:22,218 INFO L439 ceAbstractionStarter]: At program point L1035-4(line 1035) the Hoare annotation is: false [2019-11-06 22:59:22,218 INFO L443 ceAbstractionStarter]: For program point L1027-1(line 1027) no Hoare annotation was computed. [2019-11-06 22:59:22,219 INFO L443 ceAbstractionStarter]: For program point L1027-3(line 1027) no Hoare annotation was computed. [2019-11-06 22:59:22,219 INFO L439 ceAbstractionStarter]: At program point L1027-4(line 1027) the Hoare annotation is: false [2019-11-06 22:59:22,219 INFO L443 ceAbstractionStarter]: For program point L1036(line 1036) no Hoare annotation was computed. [2019-11-06 22:59:22,219 INFO L443 ceAbstractionStarter]: For program point L1036-1(line 1036) no Hoare annotation was computed. [2019-11-06 22:59:22,219 INFO L443 ceAbstractionStarter]: For program point L1036-3(line 1036) no Hoare annotation was computed. [2019-11-06 22:59:22,219 INFO L443 ceAbstractionStarter]: For program point L1036-4(lines 1033 1037) no Hoare annotation was computed. [2019-11-06 22:59:22,219 INFO L443 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1028) no Hoare annotation was computed. [2019-11-06 22:59:22,220 INFO L443 ceAbstractionStarter]: For program point L1028(line 1028) no Hoare annotation was computed. [2019-11-06 22:59:22,220 INFO L443 ceAbstractionStarter]: For program point L1028-1(line 1028) no Hoare annotation was computed. [2019-11-06 22:59:22,220 INFO L443 ceAbstractionStarter]: For program point L1028-3(line 1028) no Hoare annotation was computed. [2019-11-06 22:59:22,220 INFO L443 ceAbstractionStarter]: For program point L1028-4(lines 993 1061) no Hoare annotation was computed. [2019-11-06 22:59:22,220 INFO L443 ceAbstractionStarter]: For program point L1045(lines 1045 1057) no Hoare annotation was computed. [2019-11-06 22:59:22,220 INFO L443 ceAbstractionStarter]: For program point L1045-2(lines 993 1061) no Hoare annotation was computed. [2019-11-06 22:59:22,220 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 992 1061) no Hoare annotation was computed. [2019-11-06 22:59:22,221 INFO L443 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 1035) no Hoare annotation was computed. [2019-11-06 22:59:22,221 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 992 1061) the Hoare annotation is: true [2019-11-06 22:59:22,221 INFO L443 ceAbstractionStarter]: For program point L1030-1(lines 993 1061) no Hoare annotation was computed. [2019-11-06 22:59:22,221 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1027) no Hoare annotation was computed. [2019-11-06 22:59:22,221 INFO L443 ceAbstractionStarter]: For program point L1032(lines 1032 1037) no Hoare annotation was computed. [2019-11-06 22:59:22,221 INFO L443 ceAbstractionStarter]: For program point L1032-1(lines 1032 1037) no Hoare annotation was computed. [2019-11-06 22:59:22,221 INFO L443 ceAbstractionStarter]: For program point L1009(lines 1009 1020) no Hoare annotation was computed. [2019-11-06 22:59:22,222 INFO L439 ceAbstractionStarter]: At program point L1009-2(lines 1002 1021) the Hoare annotation is: false [2019-11-06 22:59:22,222 INFO L443 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 1036) no Hoare annotation was computed. [2019-11-06 22:59:22,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:59:22 BoogieIcfgContainer [2019-11-06 22:59:22,230 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 22:59:22,232 INFO L168 Benchmark]: Toolchain (without parser) took 4072.18 ms. Allocated memory was 146.3 MB in the beginning and 245.9 MB in the end (delta: 99.6 MB). Free memory was 102.6 MB in the beginning and 161.5 MB in the end (delta: -58.9 MB). Peak memory consumption was 40.7 MB. Max. memory is 7.1 GB. [2019-11-06 22:59:22,233 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-06 22:59:22,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.97 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 102.4 MB in the beginning and 170.2 MB in the end (delta: -67.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-11-06 22:59:22,235 INFO L168 Benchmark]: Boogie Preprocessor took 66.24 ms. Allocated memory is still 203.4 MB. Free memory was 170.2 MB in the beginning and 167.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-11-06 22:59:22,236 INFO L168 Benchmark]: RCFGBuilder took 636.46 ms. Allocated memory is still 203.4 MB. Free memory was 166.5 MB in the beginning and 122.0 MB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 7.1 GB. [2019-11-06 22:59:22,237 INFO L168 Benchmark]: TraceAbstraction took 2766.50 ms. Allocated memory was 203.4 MB in the beginning and 245.9 MB in the end (delta: 42.5 MB). Free memory was 122.0 MB in the beginning and 161.5 MB in the end (delta: -39.6 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-11-06 22:59:22,240 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 598.97 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 102.4 MB in the beginning and 170.2 MB in the end (delta: -67.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.24 ms. Allocated memory is still 203.4 MB. Free memory was 170.2 MB in the beginning and 167.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 636.46 ms. Allocated memory is still 203.4 MB. Free memory was 166.5 MB in the beginning and 122.0 MB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2766.50 ms. Allocated memory was 203.4 MB in the beginning and 245.9 MB in the end (delta: 42.5 MB). Free memory was 122.0 MB in the beginning and 161.5 MB in the end (delta: -39.6 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1035]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1027]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1028]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1036]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1027]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1035]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 38 locations, 4 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 94 SDtfs, 62 SDslu, 80 SDs, 0 SdLazy, 51 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 4 MinimizatonAttempts, 19 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 7 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 80 ConstructedInterpolants, 9 QuantifiedInterpolants, 14476 SizeOfPredicates, 12 NumberOfNonLiveVariables, 107 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 0/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 129, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 0.90625, AVG_VARS_REMOVED_DURING_WEAKENING: 1.1875, AVG_WEAKENED_CONJUNCTS: 0.375, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...