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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/fo_test.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:25:27,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:25:27,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:25:27,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:25:27,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:25:27,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:25:27,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:25:27,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:25:27,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:25:27,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:25:27,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:25:27,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:25:27,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:25:27,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:25:27,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:25:27,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:25:27,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:25:27,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:25:27,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:25:27,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:25:27,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:25:27,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:25:27,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:25:27,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:25:27,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:25:27,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:25:27,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:25:27,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:25:27,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:25:27,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:25:27,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:25:27,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:25:27,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:25:27,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:25:27,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:25:27,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:25:27,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:25:27,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:25:27,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:25:27,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:25:27,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:25:27,782 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 [2019-09-20 21:25:27,796 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:25:27,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:25:27,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:25:27,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:25:27,798 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:25:27,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:25:27,798 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:25:27,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:25:27,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:25:27,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:25:27,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:25:27,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:25:27,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:25:27,800 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:25:27,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:25:27,800 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:25:27,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:25:27,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:25:27,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:25:27,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:25:27,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:25:27,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:25:27,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:25:27,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:25:27,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:25:27,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:25:27,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:25:27,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:25:27,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> InterpretCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 21:25:27,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:25:27,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:25:27,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:25:27,864 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:25:27,864 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:25:27,865 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/fo_test.i [2019-09-20 21:25:27,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac43e2a2f/2386cc9a73f84b40a51404297e5ab873/FLAG1046384c0 [2019-09-20 21:25:28,485 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:25:28,486 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/fo_test.i [2019-09-20 21:25:28,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac43e2a2f/2386cc9a73f84b40a51404297e5ab873/FLAG1046384c0 [2019-09-20 21:25:28,740 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac43e2a2f/2386cc9a73f84b40a51404297e5ab873 [2019-09-20 21:25:28,751 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:25:28,752 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:25:28,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:25:28,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:25:28,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:25:28,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:25:28" (1/1) ... [2019-09-20 21:25:28,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e757327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:25:28, skipping insertion in model container [2019-09-20 21:25:28,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:25:28" (1/1) ... [2019-09-20 21:25:28,768 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:25:28,820 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:25:29,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:25:29,276 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:25:29,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:25:29,438 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:25:29,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:25:29 WrapperNode [2019-09-20 21:25:29,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:25:29,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:25:29,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:25:29,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:25:29,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:25:29" (1/1) ... [2019-09-20 21:25:29,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:25:29" (1/1) ... [2019-09-20 21:25:29,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:25:29" (1/1) ... [2019-09-20 21:25:29,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:25:29" (1/1) ... [2019-09-20 21:25:29,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:25:29" (1/1) ... [2019-09-20 21:25:29,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:25:29" (1/1) ... [2019-09-20 21:25:29,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:25:29" (1/1) ... [2019-09-20 21:25:29,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:25:29,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:25:29,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:25:29,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:25:29,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:25:29" (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 [2019-09-20 21:25:29,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:25:29,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:25:29,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-20 21:25:29,589 INFO L138 BoogieDeclarations]: Found implementation of procedure open [2019-09-20 21:25:29,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:25:29,589 INFO L138 BoogieDeclarations]: Found implementation of procedure l_read [2019-09-20 21:25:29,590 INFO L138 BoogieDeclarations]: Found implementation of procedure l_open [2019-09-20 21:25:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:25:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 21:25:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 21:25:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 21:25:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 21:25:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 21:25:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 21:25:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 21:25:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 21:25:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 21:25:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 21:25:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 21:25:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 21:25:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 21:25:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 21:25:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 21:25:29,595 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 21:25:29,595 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 21:25:29,595 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 21:25:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 21:25:29,597 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 21:25:29,597 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 21:25:29,598 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 21:25:29,598 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 21:25:29,598 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 21:25:29,598 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 21:25:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 21:25:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 21:25:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 21:25:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 21:25:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 21:25:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 21:25:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 21:25:29,600 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 21:25:29,600 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 21:25:29,600 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 21:25:29,600 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 21:25:29,600 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 21:25:29,600 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 21:25:29,600 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 21:25:29,601 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 21:25:29,601 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 21:25:29,601 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 21:25:29,601 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 21:25:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 21:25:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 21:25:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 21:25:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 21:25:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 21:25:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 21:25:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 21:25:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 21:25:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 21:25:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 21:25:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 21:25:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 21:25:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 21:25:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 21:25:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 21:25:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 21:25:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 21:25:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 21:25:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 21:25:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 21:25:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 21:25:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-09-20 21:25:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 21:25:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 21:25:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 21:25:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 21:25:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 21:25:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 21:25:29,609 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 21:25:29,609 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 21:25:29,609 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 21:25:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 21:25:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 21:25:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 21:25:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 21:25:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 21:25:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 21:25:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 21:25:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 21:25:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 21:25:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 21:25:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 21:25:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 21:25:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 21:25:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 21:25:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 21:25:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 21:25:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 21:25:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 21:25:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 21:25:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 21:25:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 21:25:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 21:25:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 21:25:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 21:25:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 21:25:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure posix_openpt [2019-09-20 21:25:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 21:25:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-20 21:25:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure stat [2019-09-20 21:25:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure fstat [2019-09-20 21:25:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure fstatat [2019-09-20 21:25:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure lstat [2019-09-20 21:25:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure chmod [2019-09-20 21:25:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure lchmod [2019-09-20 21:25:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure fchmod [2019-09-20 21:25:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure fchmodat [2019-09-20 21:25:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure umask [2019-09-20 21:25:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure mkdir [2019-09-20 21:25:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure mkdirat [2019-09-20 21:25:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure mknod [2019-09-20 21:25:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure mknodat [2019-09-20 21:25:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure mkfifo [2019-09-20 21:25:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure mkfifoat [2019-09-20 21:25:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure utimensat [2019-09-20 21:25:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure futimens [2019-09-20 21:25:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure __fxstat [2019-09-20 21:25:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure __xstat [2019-09-20 21:25:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure __lxstat [2019-09-20 21:25:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure __fxstatat [2019-09-20 21:25:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure __xmknod [2019-09-20 21:25:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure __xmknodat [2019-09-20 21:25:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2019-09-20 21:25:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure open [2019-09-20 21:25:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure openat [2019-09-20 21:25:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure openat64 [2019-09-20 21:25:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure creat [2019-09-20 21:25:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure lockf [2019-09-20 21:25:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure posix_fadvise [2019-09-20 21:25:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure posix_fallocate [2019-09-20 21:25:29,619 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-20 21:25:29,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:25:29,619 INFO L130 BoogieDeclarations]: Found specification of procedure l_read [2019-09-20 21:25:29,619 INFO L130 BoogieDeclarations]: Found specification of procedure l_open [2019-09-20 21:25:29,619 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:25:29,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 21:25:29,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 21:25:29,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:25:29,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:25:29,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 21:25:30,182 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:25:30,182 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 21:25:30,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:25:30 BoogieIcfgContainer [2019-09-20 21:25:30,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:25:30,187 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:25:30,187 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:25:30,187 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:25:30,189 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:25:30" (1/1) ... [2019-09-20 21:25:30,189 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:25:30,222 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:25:30,225 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:25:30,237 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:25:30,247 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:25:30,249 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:25:30,549 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 29 for LOIs [2019-09-20 21:25:31,048 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-20 21:25:31,344 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2019-09-20 21:25:31,346 INFO L199 IcfgInterpreter]: Interpreting procedure l_read with input of size 46 for LOIs [2019-09-20 21:25:31,364 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 33 for LOIs [2019-09-20 21:25:31,381 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 21:25:31,382 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 21:25:31,388 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 22#(exists ((v_prenex_1 Int)) (and (< |#t~string6.base| |#StackHeapBarrier|) (= 1 (select |#valid| v_prenex_1)) (not (= 1 ~globalState~0)) (= 0 |#NULL.base|) (= (select |#length| v_prenex_1) 100) (= 8 (select |#length| |#t~string6.base|)) (< |#StackHeapBarrier| v_prenex_1) (= 0 (select |#valid| 0)) (= 0 ~globalState~0) (= |#NULL.offset| 0) (= 0 |#t~string6.offset|) (= (select |#valid| |#t~string6.base|) 1))) [2019-09-20 21:25:31,407 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 21:25:31,408 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 21:25:31,411 INFO L168 Benchmark]: Toolchain (without parser) took 2656.99 ms. Allocated memory was 133.2 MB in the beginning and 226.0 MB in the end (delta: 92.8 MB). Free memory was 88.0 MB in the beginning and 99.9 MB in the end (delta: -11.9 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2019-09-20 21:25:31,412 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 21:25:31,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.94 ms. Allocated memory was 133.2 MB in the beginning and 201.3 MB in the end (delta: 68.2 MB). Free memory was 87.8 MB in the beginning and 162.4 MB in the end (delta: -74.6 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2019-09-20 21:25:31,420 INFO L168 Benchmark]: Boogie Preprocessor took 94.32 ms. Allocated memory is still 201.3 MB. Free memory was 162.4 MB in the beginning and 159.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-20 21:25:31,421 INFO L168 Benchmark]: RCFGBuilder took 651.83 ms. Allocated memory is still 201.3 MB. Free memory was 159.8 MB in the beginning and 110.2 MB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. [2019-09-20 21:25:31,422 INFO L168 Benchmark]: Sifa took 1221.29 ms. Allocated memory was 201.3 MB in the beginning and 226.0 MB in the end (delta: 24.6 MB). Free memory was 110.2 MB in the beginning and 99.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. [2019-09-20 21:25:31,433 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.94 ms. Allocated memory was 133.2 MB in the beginning and 201.3 MB in the end (delta: 68.2 MB). Free memory was 87.8 MB in the beginning and 162.4 MB in the end (delta: -74.6 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.32 ms. Allocated memory is still 201.3 MB. Free memory was 162.4 MB in the beginning and 159.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 651.83 ms. Allocated memory is still 201.3 MB. Free memory was 159.8 MB in the beginning and 110.2 MB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. * Sifa took 1221.29 ms. Allocated memory was 201.3 MB in the beginning and 226.0 MB in the end (delta: 24.6 MB). Free memory was 110.2 MB in the beginning and 99.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 35.0 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]: 1167, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 7, TOOLS_POST_TIME[ms]: 13, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 671, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 148, TOOLS_QUANTIFIERELIM_APPLICATIONS: 14, TOOLS_QUANTIFIERELIM_TIME[ms]: 804, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 614, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 13, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 235, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 236, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 18, DAG_COMPRESSION_PROCESSED_NODES: 50, DAG_COMPRESSION_RETAINED_NODES: 35 - UnprovableResult [Line: 960]: 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 22#(exists ((v_prenex_1 Int)) (and (< |#t~string6.base| |#StackHeapBarrier|) (= 1 (select |#valid| v_prenex_1)) (not (= 1 ~globalState~0)) (= 0 |#NULL.base|) (= (select |#length| v_prenex_1) 100) (= 8 (select |#length| |#t~string6.base|)) (< |#StackHeapBarrier| v_prenex_1) (= 0 (select |#valid| 0)) (= 0 ~globalState~0) (= |#NULL.offset| 0) (= 0 |#t~string6.offset|) (= (select |#valid| |#t~string6.base|) 1))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...