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/forester-heap/sll-queue-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 09:00:55,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 09:00:55,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 09:00:55,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 09:00:55,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 09:00:55,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 09:00:55,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 09:00:55,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 09:00:55,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 09:00:55,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 09:00:55,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 09:00:55,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 09:00:55,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 09:00:55,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 09:00:55,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 09:00:55,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 09:00:55,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 09:00:55,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 09:00:55,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 09:00:55,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 09:00:55,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 09:00:55,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 09:00:55,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 09:00:55,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 09:00:55,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 09:00:55,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 09:00:55,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 09:00:55,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 09:00:55,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 09:00:55,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 09:00:55,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 09:00:55,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 09:00:55,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 09:00:55,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 09:00:55,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 09:00:55,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 09:00:55,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 09:00:55,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 09:00:55,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 09:00:55,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 09:00:55,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 09:00:55,825 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 09:00:55,839 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 09:00:55,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 09:00:55,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 09:00:55,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 09:00:55,841 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 09:00:55,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 09:00:55,842 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 09:00:55,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 09:00:55,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 09:00:55,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 09:00:55,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 09:00:55,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 09:00:55,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 09:00:55,843 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 09:00:55,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 09:00:55,843 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 09:00:55,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 09:00:55,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 09:00:55,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 09:00:55,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 09:00:55,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 09:00:55,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 09:00:55,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 09:00:55,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 09:00:55,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 09:00:55,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 09:00:55,846 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 09:00:55,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 09:00:55,846 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 09:00:55,875 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 09:00:55,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 09:00:55,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 09:00:55,893 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 09:00:55,893 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 09:00:55,894 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-queue-2.i [2019-09-06 09:00:55,954 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e17a4db3/6201f4815a624f6d8770ee1472750b61/FLAG903cf4de2 [2019-09-06 09:00:56,423 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 09:00:56,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-queue-2.i [2019-09-06 09:00:56,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e17a4db3/6201f4815a624f6d8770ee1472750b61/FLAG903cf4de2 [2019-09-06 09:00:56,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e17a4db3/6201f4815a624f6d8770ee1472750b61 [2019-09-06 09:00:56,778 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 09:00:56,779 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 09:00:56,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 09:00:56,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 09:00:56,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 09:00:56,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:00:56" (1/1) ... [2019-09-06 09:00:56,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485875dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:00:56, skipping insertion in model container [2019-09-06 09:00:56,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:00:56" (1/1) ... [2019-09-06 09:00:56,795 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 09:00:56,858 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 09:00:57,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:00:57,347 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 09:00:57,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:00:57,446 INFO L192 MainTranslator]: Completed translation [2019-09-06 09:00:57,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:00:57 WrapperNode [2019-09-06 09:00:57,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 09:00:57,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 09:00:57,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 09:00:57,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 09:00:57,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:00:57" (1/1) ... [2019-09-06 09:00:57,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:00:57" (1/1) ... [2019-09-06 09:00:57,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:00:57" (1/1) ... [2019-09-06 09:00:57,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:00:57" (1/1) ... [2019-09-06 09:00:57,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:00:57" (1/1) ... [2019-09-06 09:00:57,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:00:57" (1/1) ... [2019-09-06 09:00:57,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:00:57" (1/1) ... [2019-09-06 09:00:57,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 09:00:57,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 09:00:57,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 09:00:57,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 09:00:57,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:00:57" (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 09:00:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 09:00:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 09:00:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 09:00:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-06 09:00:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-06 09:00:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-06 09:00:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-06 09:00:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-06 09:00:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-06 09:00:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-06 09:00:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-06 09:00:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-06 09:00:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-06 09:00:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-06 09:00:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-06 09:00:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-06 09:00:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-06 09:00:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-06 09:00:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-06 09:00:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-06 09:00:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-06 09:00:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-06 09:00:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-06 09:00:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-06 09:00:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-06 09:00:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-06 09:00:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-06 09:00:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-06 09:00:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-06 09:00:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-06 09:00:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-06 09:00:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-06 09:00:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-06 09:00:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-06 09:00:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-06 09:00:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-06 09:00:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-06 09:00:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-06 09:00:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-06 09:00:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-06 09:00:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-06 09:00:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-06 09:00:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-06 09:00:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-06 09:00:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-06 09:00:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-06 09:00:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-06 09:00:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-06 09:00:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-06 09:00:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-06 09:00:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-06 09:00:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-06 09:00:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-06 09:00:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-06 09:00:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-06 09:00:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-06 09:00:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-06 09:00:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-06 09:00:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-06 09:00:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-06 09:00:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-06 09:00:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-06 09:00:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-06 09:00:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-06 09:00:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-06 09:00:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-06 09:00:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-06 09:00:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-06 09:00:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-06 09:00:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-06 09:00:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-06 09:00:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-06 09:00:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-06 09:00:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-06 09:00:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-06 09:00:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-06 09:00:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-06 09:00:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-06 09:00:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-06 09:00:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-06 09:00:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-06 09:00:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-06 09:00:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-06 09:00:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-06 09:00:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-06 09:00:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-06 09:00:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-06 09:00:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-06 09:00:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-06 09:00:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-06 09:00:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-06 09:00:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-06 09:00:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-06 09:00:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-06 09:00:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-06 09:00:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-06 09:00:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-06 09:00:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-06 09:00:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-06 09:00:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-06 09:00:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-06 09:00:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-06 09:00:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-06 09:00:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-06 09:00:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-06 09:00:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-06 09:00:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 09:00:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 09:00:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 09:00:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-06 09:00:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 09:00:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 09:00:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 09:00:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 09:00:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 09:00:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 09:00:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 09:00:58,282 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 09:00:58,283 INFO L283 CfgBuilder]: Removed 31 assume(true) statements. [2019-09-06 09:00:58,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:00:58 BoogieIcfgContainer [2019-09-06 09:00:58,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 09:00:58,284 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 09:00:58,285 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 09:00:58,285 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 09:00:58,286 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:00:58" (1/1) ... [2019-09-06 09:00:58,287 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 09:00:58,311 INFO L162 IcfgInterpreter]: Started Sifa with 14 locations of interest [2019-09-06 09:00:58,311 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 09:00:58,320 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 09:00:58,331 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 09:00:58,333 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 09:00:58,399 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-06 09:01:01,690 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 09:01:01,690 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 09:01:01,693 INFO L193 IcfgInterpreter]: Reachable states at location mainErr5ASSERT_VIOLATIONERROR_FUNCTION satisfy 5041#(and (<= 0 main_~head~0.base) (<= 2 main_~status~0) (<= main_~status~0 2) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset)) [2019-09-06 09:01:01,693 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 3773#(and (<= 0 main_~item~0.base) (<= main_~item~0.base 0) (<= 0 main_~item~0.offset) (<= main_~item~0.offset 0)) [2019-09-06 09:01:01,694 INFO L193 IcfgInterpreter]: Reachable states at location mainErr7ASSERT_VIOLATIONERROR_FUNCTION satisfy 5955#(and (<= 2 main_~status~0) (<= main_~status~0 2)) [2019-09-06 09:01:01,694 INFO L193 IcfgInterpreter]: Reachable states at location mainErr10ASSERT_VIOLATIONERROR_FUNCTION satisfy 5907#(and (<= 3 main_~status~0) (<= main_~status~0 3)) [2019-09-06 09:01:01,695 INFO L193 IcfgInterpreter]: Reachable states at location mainErr6ASSERT_VIOLATIONERROR_FUNCTION satisfy 4979#(and (<= 2 main_~status~0) (<= main_~status~0 2)) [2019-09-06 09:01:01,695 INFO L193 IcfgInterpreter]: Reachable states at location mainErr8ASSERT_VIOLATIONERROR_FUNCTION satisfy 6009#(and (<= 0 main_~head~0.base) (<= 3 main_~status~0) (<= main_~status~0 3) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset)) [2019-09-06 09:01:01,695 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 3780#(and (<= 0 main_~head~0.base) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset)) [2019-09-06 09:01:01,695 INFO L193 IcfgInterpreter]: Reachable states at location mainErr11ASSERT_VIOLATIONERROR_FUNCTION satisfy 5735#(and (<= 3 main_~status~0) (<= main_~status~0 3)) [2019-09-06 09:01:01,696 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3776#(and (<= 0 main_~head~0.base) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset)) [2019-09-06 09:01:01,696 INFO L193 IcfgInterpreter]: Reachable states at location mainErr13ASSERT_VIOLATIONERROR_FUNCTION satisfy 5842#true [2019-09-06 09:01:01,696 INFO L193 IcfgInterpreter]: Reachable states at location mainErr12ASSERT_VIOLATIONERROR_FUNCTION satisfy 5626#(and (<= 3 main_~status~0) (<= main_~status~0 3)) [2019-09-06 09:01:01,698 INFO L193 IcfgInterpreter]: Reachable states at location mainErr4ASSERT_VIOLATIONERROR_FUNCTION satisfy 5029#(and (<= main_~status~0 1) (<= 1 main_~status~0)) [2019-09-06 09:01:01,699 INFO L193 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 5051#(and (<= 0 main_~head~0.base) (<= main_~status~0 1) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 1 main_~status~0) (<= 0 main_~head~0.offset)) [2019-09-06 09:01:01,699 INFO L193 IcfgInterpreter]: Reachable states at location mainErr9ASSERT_VIOLATIONERROR_FUNCTION satisfy 5987#(and (<= 3 main_~status~0) (<= main_~status~0 3)) [2019-09-06 09:01:01,732 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 09:01:01,732 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 09:01:01,735 INFO L168 Benchmark]: Toolchain (without parser) took 4955.02 ms. Allocated memory was 130.5 MB in the beginning and 372.2 MB in the end (delta: 241.7 MB). Free memory was 84.9 MB in the beginning and 218.5 MB in the end (delta: -133.6 MB). Peak memory consumption was 108.1 MB. Max. memory is 7.1 GB. [2019-09-06 09:01:01,735 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 09:01:01,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.29 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 84.7 MB in the beginning and 161.7 MB in the end (delta: -77.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-09-06 09:01:01,737 INFO L168 Benchmark]: Boogie Preprocessor took 81.04 ms. Allocated memory is still 198.2 MB. Free memory was 161.7 MB in the beginning and 158.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-09-06 09:01:01,737 INFO L168 Benchmark]: RCFGBuilder took 755.62 ms. Allocated memory is still 198.2 MB. Free memory was 158.4 MB in the beginning and 105.4 MB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 7.1 GB. [2019-09-06 09:01:01,738 INFO L168 Benchmark]: Sifa took 3448.04 ms. Allocated memory was 198.2 MB in the beginning and 372.2 MB in the end (delta: 174.1 MB). Free memory was 105.4 MB in the beginning and 218.5 MB in the end (delta: -113.1 MB). Peak memory consumption was 61.0 MB. Max. memory is 7.1 GB. [2019-09-06 09:01:01,745 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 666.29 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 84.7 MB in the beginning and 161.7 MB in the end (delta: -77.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.04 ms. Allocated memory is still 198.2 MB. Free memory was 161.7 MB in the beginning and 158.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 755.62 ms. Allocated memory is still 198.2 MB. Free memory was 158.4 MB in the beginning and 105.4 MB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 7.1 GB. * Sifa took 3448.04 ms. Allocated memory was 198.2 MB in the beginning and 372.2 MB in the end (delta: 174.1 MB). Free memory was 105.4 MB in the beginning and 218.5 MB in the end (delta: -113.1 MB). Peak memory consumption was 61.0 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]: 3388, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 5985, DAG_INTERPRETER_EARLY_EXITS: 842, TOOLS_POST_APPLICATIONS: 4646, TOOLS_POST_TIME[ms]: 917, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 14, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_TIME[ms]: 709, FLUID_QUERY_TIME[ms]: 43, FLUID_QUERIES: 6710, FLUID_YES_ANSWERS: 4, DOMAIN_JOIN_APPLICATIONS: 1353, DOMAIN_JOIN_TIME[ms]: 265, DOMAIN_ALPHA_APPLICATIONS: 4, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 725, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 1833, DOMAIN_ISBOTTOM_TIME[ms]: 1147, LOOP_SUMMARIZER_APPLICATIONS: 816, LOOP_SUMMARIZER_CACHE_MISSES: 724, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1262, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1252, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 725, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 19, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 17, DAG_COMPRESSION_TIME[ms]: 604, DAG_COMPRESSION_PROCESSED_NODES: 40278, DAG_COMPRESSION_RETAINED_NODES: 15596 - UnprovableResult [Line: 1025]: 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 5041#(and (<= 0 main_~head~0.base) (<= 2 main_~status~0) (<= main_~status~0 2) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset)). Possible FailurePath: - UnprovableResult [Line: 1014]: 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 3773#(and (<= 0 main_~item~0.base) (<= main_~item~0.base 0) (<= 0 main_~item~0.offset) (<= main_~item~0.offset 0)). Possible FailurePath: - UnprovableResult [Line: 1027]: 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 5955#(and (<= 2 main_~status~0) (<= main_~status~0 2)). Possible FailurePath: - UnprovableResult [Line: 1033]: 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 5907#(and (<= 3 main_~status~0) (<= main_~status~0 3)). Possible FailurePath: - UnprovableResult [Line: 1026]: 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 4979#(and (<= 2 main_~status~0) (<= main_~status~0 2)). Possible FailurePath: - UnprovableResult [Line: 1031]: 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 6009#(and (<= 0 main_~head~0.base) (<= 3 main_~status~0) (<= main_~status~0 3) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset)). Possible FailurePath: - UnprovableResult [Line: 1017]: 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 3780#(and (<= 0 main_~head~0.base) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset)). Possible FailurePath: - UnprovableResult [Line: 1034]: 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 5735#(and (<= 3 main_~status~0) (<= main_~status~0 3)). Possible FailurePath: - UnprovableResult [Line: 1013]: 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 3776#(and (<= 0 main_~head~0.base) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset)). Possible FailurePath: - UnprovableResult [Line: 1042]: 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 5842#true. Possible FailurePath: - UnprovableResult [Line: 1035]: 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 5626#(and (<= 3 main_~status~0) (<= main_~status~0 3)). Possible FailurePath: - UnprovableResult [Line: 1021]: 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 5029#(and (<= main_~status~0 1) (<= 1 main_~status~0)). Possible FailurePath: - UnprovableResult [Line: 1020]: 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 5051#(and (<= 0 main_~head~0.base) (<= main_~status~0 1) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 1 main_~status~0) (<= 0 main_~head~0.offset)). Possible FailurePath: - UnprovableResult [Line: 1032]: 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 5987#(and (<= 3 main_~status~0) (<= main_~status~0 3)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...