java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/list-properties/simple_built_from_end.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:57:22,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:57:22,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:57:22,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:57:22,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:57:22,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:57:22,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:57:22,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:57:22,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:57:22,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:57:22,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:57:22,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:57:22,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:57:22,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:57:22,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:57:22,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:57:22,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:57:22,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:57:22,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:57:22,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:57:22,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:57:22,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:57:22,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:57:22,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:57:22,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 08:57:22,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 08:57:22,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 08:57:22,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 08:57:22,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 08:57:22,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 08:57:22,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:57:22,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:57:22,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:57:22,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:57:22,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:57:22,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:57:22,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:57:22,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:57:22,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:57:22,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:57:22,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:57:22,765 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 [2019-09-06 08:57:22,779 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:57:22,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:57:22,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:57:22,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:57:22,781 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:57:22,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:57:22,781 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:57:22,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:57:22,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:57:22,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:57:22,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:57:22,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:57:22,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:57:22,783 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:57:22,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:57:22,783 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:57:22,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:57:22,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:57:22,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:57:22,784 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:57:22,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:57:22,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:57:22,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:57:22,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:57:22,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:57:22,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:57:22,785 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:57:22,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:57:22,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 08:57:22,819 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:57:22,836 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:57:22,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:57:22,841 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:57:22,841 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:57:22,842 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/simple_built_from_end.i [2019-09-06 08:57:22,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46143be98/94e82c9b45d743c49a5ffa03f98dfa3f/FLAGb1fa3ed05 [2019-09-06 08:57:23,428 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:57:23,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-properties/simple_built_from_end.i [2019-09-06 08:57:23,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46143be98/94e82c9b45d743c49a5ffa03f98dfa3f/FLAGb1fa3ed05 [2019-09-06 08:57:23,786 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46143be98/94e82c9b45d743c49a5ffa03f98dfa3f [2019-09-06 08:57:23,796 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:57:23,798 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:57:23,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:57:23,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:57:23,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:57:23,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:57:23" (1/1) ... [2019-09-06 08:57:23,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@795d2059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:23, skipping insertion in model container [2019-09-06 08:57:23,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:57:23" (1/1) ... [2019-09-06 08:57:23,815 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:57:23,863 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:57:24,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:57:24,324 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:57:24,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:57:24,425 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:57:24,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:24 WrapperNode [2019-09-06 08:57:24,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:57:24,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:57:24,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:57:24,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:57:24,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:24" (1/1) ... [2019-09-06 08:57:24,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:24" (1/1) ... [2019-09-06 08:57:24,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:24" (1/1) ... [2019-09-06 08:57:24,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:24" (1/1) ... [2019-09-06 08:57:24,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:24" (1/1) ... [2019-09-06 08:57:24,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:24" (1/1) ... [2019-09-06 08:57:24,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:24" (1/1) ... [2019-09-06 08:57:24,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:57:24,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:57:24,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:57:24,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:57:24,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:24" (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 [2019-09-06 08:57:24,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:57:24,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:57:24,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-06 08:57:24,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-06 08:57:24,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-09-06 08:57:24,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-09-06 08:57:24,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-09-06 08:57:24,540 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-06 08:57:24,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:57:24,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:57:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 08:57:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-06 08:57:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-06 08:57:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-06 08:57:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-06 08:57:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-06 08:57:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-06 08:57:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-06 08:57:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-06 08:57:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-06 08:57:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-06 08:57:24,543 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-06 08:57:24,543 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-06 08:57:24,543 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-06 08:57:24,543 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-06 08:57:24,543 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-06 08:57:24,543 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-06 08:57:24,544 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-06 08:57:24,544 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-06 08:57:24,544 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-09-06 08:57:24,544 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-09-06 08:57:24,544 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-09-06 08:57:24,544 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-06 08:57:24,545 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-06 08:57:24,545 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-06 08:57:24,545 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-06 08:57:24,545 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-06 08:57:24,545 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-06 08:57:24,545 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-06 08:57:24,545 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-06 08:57:24,546 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-06 08:57:24,546 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-06 08:57:24,546 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-06 08:57:24,546 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-06 08:57:24,546 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-06 08:57:24,546 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-06 08:57:24,546 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-06 08:57:24,547 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-06 08:57:24,547 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-06 08:57:24,547 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-06 08:57:24,547 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-06 08:57:24,547 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-06 08:57:24,547 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-06 08:57:24,547 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-06 08:57:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-06 08:57:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-06 08:57:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-06 08:57:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-06 08:57:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-06 08:57:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-06 08:57:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-06 08:57:24,549 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-06 08:57:24,549 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-06 08:57:24,549 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-06 08:57:24,549 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-06 08:57:24,549 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-06 08:57:24,549 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-06 08:57:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-06 08:57:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-06 08:57:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-06 08:57:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-06 08:57:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-06 08:57:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-06 08:57:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-06 08:57:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-06 08:57:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-06 08:57:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-06 08:57:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-06 08:57:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-06 08:57:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-06 08:57:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-06 08:57:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-06 08:57:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-06 08:57:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-06 08:57:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-06 08:57:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-06 08:57:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-06 08:57:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-06 08:57:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-06 08:57:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-06 08:57:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-06 08:57:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-06 08:57:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-06 08:57:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-06 08:57:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-06 08:57:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-06 08:57:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-06 08:57:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-06 08:57:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-06 08:57:24,555 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-06 08:57:24,555 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-06 08:57:24,555 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-06 08:57:24,555 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-06 08:57:24,555 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-06 08:57:24,555 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-06 08:57:24,555 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-06 08:57:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-06 08:57:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-06 08:57:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-06 08:57:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-06 08:57:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-06 08:57:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-06 08:57:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-06 08:57:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-06 08:57:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-06 08:57:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-06 08:57:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-06 08:57:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-06 08:57:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-06 08:57:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:57:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-06 08:57:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 08:57:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 08:57:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 08:57:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 08:57:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:57:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:57:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 08:57:24,905 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-06 08:57:25,031 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:57:25,032 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-06 08:57:25,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:57:25 BoogieIcfgContainer [2019-09-06 08:57:25,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:57:25,035 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:57:25,035 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:57:25,036 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:57:25,038 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:57:25" (1/1) ... [2019-09-06 08:57:25,038 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 08:57:25,071 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:57:25,071 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:57:25,081 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:57:25,093 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:57:25,095 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:57:25,168 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-06 08:57:25,221 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-06 08:57:25,603 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:57:25,603 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:57:25,606 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 84#true [2019-09-06 08:57:25,616 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:57:25,616 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:57:25,618 INFO L168 Benchmark]: Toolchain (without parser) took 1820.10 ms. Allocated memory was 140.0 MB in the beginning and 201.3 MB in the end (delta: 61.3 MB). Free memory was 86.1 MB in the beginning and 85.3 MB in the end (delta: 795.3 kB). Peak memory consumption was 62.1 MB. Max. memory is 7.1 GB. [2019-09-06 08:57:25,619 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:57:25,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.95 ms. Allocated memory was 140.0 MB in the beginning and 201.3 MB in the end (delta: 61.3 MB). Free memory was 85.9 MB in the beginning and 167.0 MB in the end (delta: -81.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-09-06 08:57:25,620 INFO L168 Benchmark]: Boogie Preprocessor took 57.52 ms. Allocated memory is still 201.3 MB. Free memory was 167.0 MB in the beginning and 164.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-06 08:57:25,621 INFO L168 Benchmark]: RCFGBuilder took 550.48 ms. Allocated memory is still 201.3 MB. Free memory was 164.0 MB in the beginning and 125.3 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. [2019-09-06 08:57:25,622 INFO L168 Benchmark]: Sifa took 581.16 ms. Allocated memory is still 201.3 MB. Free memory was 124.7 MB in the beginning and 85.3 MB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 7.1 GB. [2019-09-06 08:57:25,625 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 626.95 ms. Allocated memory was 140.0 MB in the beginning and 201.3 MB in the end (delta: 61.3 MB). Free memory was 85.9 MB in the beginning and 167.0 MB in the end (delta: -81.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.52 ms. Allocated memory is still 201.3 MB. Free memory was 167.0 MB in the beginning and 164.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 550.48 ms. Allocated memory is still 201.3 MB. Free memory was 164.0 MB in the beginning and 125.3 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. * Sifa took 581.16 ms. Allocated memory is still 201.3 MB. Free memory was 124.7 MB in the beginning and 85.3 MB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 535, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 64, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 50, TOOLS_POST_TIME[ms]: 332, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 30, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_TIME[ms]: 341, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 73, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME[ms]: 29, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 5, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 20, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 311, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 310, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 23, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 28, DAG_COMPRESSION_PROCESSED_NODES: 239, DAG_COMPRESSION_RETAINED_NODES: 98 - UnprovableResult [Line: 532]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 84#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...