/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/forester-heap/dll-circular-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:49:06,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:49:06,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:49:06,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:49:06,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:49:06,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:49:06,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:49:06,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:49:06,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:49:06,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:49:06,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:49:06,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:49:06,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:49:06,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:49:06,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:49:06,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:49:06,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:49:06,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:49:06,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:49:06,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:49:06,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:49:06,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:49:06,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:49:06,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:49:06,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 07:49:06,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 07:49:06,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 07:49:06,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 07:49:06,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 07:49:06,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 07:49:06,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 07:49:06,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 07:49:06,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 07:49:06,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 07:49:06,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 07:49:06,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 07:49:06,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 07:49:06,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 07:49:06,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:49:06,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:49:06,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:49:06,663 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 07:49:06,677 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:49:06,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:49:06,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:49:06,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:49:06,679 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:49:06,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:49:06,679 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:49:06,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:49:06,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:49:06,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:49:06,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:49:06,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:49:06,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:49:06,681 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:49:06,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:49:06,681 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:49:06,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:49:06,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:49:06,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:49:06,682 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:49:06,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:49:06,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:49:06,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:49:06,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:49:06,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:49:06,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:49:06,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:49:06,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:49:06,683 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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 -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 07:49:07,025 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:49:07,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:49:07,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:49:07,052 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:49:07,053 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:49:07,053 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-circular-2.i [2019-11-07 07:49:07,142 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcff8f459/83eb86cd42c8457682a9e0056eeba703/FLAG1cfc347af [2019-11-07 07:49:07,591 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:49:07,591 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-circular-2.i [2019-11-07 07:49:07,604 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcff8f459/83eb86cd42c8457682a9e0056eeba703/FLAG1cfc347af [2019-11-07 07:49:07,896 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcff8f459/83eb86cd42c8457682a9e0056eeba703 [2019-11-07 07:49:07,906 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:49:07,908 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:49:07,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:49:07,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:49:07,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:49:07,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:49:07" (1/1) ... [2019-11-07 07:49:07,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28741a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:07, skipping insertion in model container [2019-11-07 07:49:07,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:49:07" (1/1) ... [2019-11-07 07:49:07,925 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:49:07,977 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:49:08,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:49:08,439 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:49:08,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:49:08,556 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:49:08,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:08 WrapperNode [2019-11-07 07:49:08,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:49:08,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:49:08,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:49:08,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:49:08,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:08" (1/1) ... [2019-11-07 07:49:08,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:08" (1/1) ... [2019-11-07 07:49:08,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:08" (1/1) ... [2019-11-07 07:49:08,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:08" (1/1) ... [2019-11-07 07:49:08,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:08" (1/1) ... [2019-11-07 07:49:08,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:08" (1/1) ... [2019-11-07 07:49:08,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:08" (1/1) ... [2019-11-07 07:49:08,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:49:08,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:49:08,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:49:08,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:49:08,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:49:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:49:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:49:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:49:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-07 07:49:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-07 07:49:08,735 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-07 07:49:08,735 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-07 07:49:08,735 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-07 07:49:08,736 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-07 07:49:08,736 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-07 07:49:08,736 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-07 07:49:08,736 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-07 07:49:08,737 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-07 07:49:08,737 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-07 07:49:08,737 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-07 07:49:08,738 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-07 07:49:08,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-07 07:49:08,740 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-07 07:49:08,740 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-07 07:49:08,740 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-07 07:49:08,740 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-07 07:49:08,741 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-07 07:49:08,741 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-07 07:49:08,741 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-07 07:49:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-07 07:49:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-07 07:49:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-07 07:49:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-07 07:49:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-07 07:49:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-07 07:49:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-07 07:49:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-07 07:49:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-07 07:49:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-07 07:49:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-07 07:49:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-07 07:49:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-07 07:49:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-07 07:49:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-07 07:49:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-07 07:49:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-07 07:49:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-07 07:49:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-07 07:49:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-07 07:49:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-07 07:49:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-07 07:49:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-07 07:49:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-07 07:49:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-07 07:49:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-07 07:49:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-07 07:49:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-07 07:49:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-07 07:49:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 07:49:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 07:49:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-07 07:49:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 07:49:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-07 07:49:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-07 07:49:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-07 07:49:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-07 07:49:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-07 07:49:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-07 07:49:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-07 07:49:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-07 07:49:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-07 07:49:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 07:49:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-07 07:49:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-07 07:49:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-07 07:49:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-07 07:49:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-07 07:49:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-07 07:49:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-07 07:49:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-07 07:49:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-07 07:49:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-07 07:49:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-07 07:49:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-07 07:49:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-07 07:49:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-07 07:49:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-07 07:49:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-07 07:49:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-07 07:49:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-07 07:49:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-07 07:49:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-07 07:49:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-07 07:49:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-07 07:49:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-07 07:49:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-07 07:49:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-07 07:49:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-07 07:49:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-07 07:49:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-07 07:49:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-07 07:49:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-07 07:49:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-07 07:49:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-07 07:49:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-07 07:49:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-07 07:49:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-07 07:49:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-07 07:49:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-07 07:49:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-07 07:49:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-07 07:49:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 07:49:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:49:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:49:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 07:49:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 07:49:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 07:49:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 07:49:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 07:49:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 07:49:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:49:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:49:09,350 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:49:09,351 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-07 07:49:09,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:49:09 BoogieIcfgContainer [2019-11-07 07:49:09,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:49:09,353 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 07:49:09,353 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 07:49:09,353 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 07:49:09,354 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:49:09" (1/1) ... [2019-11-07 07:49:09,355 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 07:49:09,378 INFO L159 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-11-07 07:49:09,378 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 07:49:09,385 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 07:49:09,392 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 07:49:09,394 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 07:49:09,527 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-11-07 07:49:24,320 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 07:49:24,340 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 07:49:24,341 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 07:49:24,344 INFO L168 Benchmark]: Toolchain (without parser) took 16434.81 ms. Allocated memory was 140.0 MB in the beginning and 244.8 MB in the end (delta: 104.9 MB). Free memory was 104.0 MB in the beginning and 178.2 MB in the end (delta: -74.2 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2019-11-07 07:49:24,345 INFO L168 Benchmark]: CDTParser took 1.25 ms. Allocated memory is still 140.0 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 07:49:24,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.61 ms. Allocated memory was 140.0 MB in the beginning and 201.3 MB in the end (delta: 61.3 MB). Free memory was 103.6 MB in the beginning and 168.1 MB in the end (delta: -64.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-11-07 07:49:24,348 INFO L168 Benchmark]: Boogie Preprocessor took 104.44 ms. Allocated memory is still 201.3 MB. Free memory was 168.1 MB in the beginning and 165.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-11-07 07:49:24,349 INFO L168 Benchmark]: RCFGBuilder took 690.12 ms. Allocated memory is still 201.3 MB. Free memory was 165.2 MB in the beginning and 117.4 MB in the end (delta: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 7.1 GB. [2019-11-07 07:49:24,350 INFO L168 Benchmark]: Sifa took 14988.22 ms. Allocated memory was 201.3 MB in the beginning and 244.8 MB in the end (delta: 43.5 MB). Free memory was 117.4 MB in the beginning and 178.2 MB in the end (delta: -60.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 07:49:24,357 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25 ms. Allocated memory is still 140.0 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.61 ms. Allocated memory was 140.0 MB in the beginning and 201.3 MB in the end (delta: 61.3 MB). Free memory was 103.6 MB in the beginning and 168.1 MB in the end (delta: -64.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.44 ms. Allocated memory is still 201.3 MB. Free memory was 168.1 MB in the beginning and 165.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 690.12 ms. Allocated memory is still 201.3 MB. Free memory was 165.2 MB in the beginning and 117.4 MB in the end (delta: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 7.1 GB. * Sifa took 14988.22 ms. Allocated memory was 201.3 MB in the beginning and 244.8 MB in the end (delta: 43.5 MB). Free memory was 117.4 MB in the beginning and 178.2 MB in the end (delta: -60.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 14943, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 28, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 104, TOOLS_POST_TIME[ms]: 10353, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 17, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 107, TOOLS_QUANTIFIERELIM_TIME[ms]: 10335, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 9673, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 143, FLUID_YES_ANSWERS: 4, DOMAIN_JOIN_APPLICATIONS: 27, DOMAIN_JOIN_TIME[ms]: 104, DOMAIN_ALPHA_APPLICATIONS: 4, DOMAIN_ALPHA_TIME[ms]: 4, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 2, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 4060, DOMAIN_ISBOTTOM_APPLICATIONS: 28, DOMAIN_ISBOTTOM_TIME[ms]: 288, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 14311, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 14310, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 85, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 84, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 45, DAG_COMPRESSION_PROCESSED_NODES: 772, DAG_COMPRESSION_RETAINED_NODES: 113 - UnprovableResult [Line: 1015]: 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 77#(and (= 0 main_~x~0.base) (= main_~x~0.offset 0) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) main_~state~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 122#(and (= 0 main_~x~0.base) (exists ((v_main_~x~0.offset_25 Int) (v_main_~x~0.base_27 Int)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| v_main_~x~0.base_27) (+ v_main_~x~0.offset_25 8)) main_~state~0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base))) (= main_~x~0.offset 0)). Possible FailurePath: - UnprovableResult [Line: 1024]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 245#(or (exists ((v_main_~x~0.offset_25 Int) (v_prenex_25 Int) (v_prenex_24 Int) (v_main_~x~0.base_27 Int)) (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) 0)) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (< (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (not (= 0 main_~x~0.base)) (= (select (select |#memory_int| v_main_~x~0.base_27) (+ v_main_~x~0.offset_25 8)) main_~state~0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (and (= (select (select |#memory_int| v_prenex_25) (+ v_prenex_24 8)) main_~state~0) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.offset 0)) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) 0)) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (< (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)))) (exists ((v_main_~x~0.offset_28 Int) (v_main_~x~0.base_30 Int)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| v_main_~x~0.base_30) v_main_~x~0.offset_28)) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) 0)) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (< (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| v_main_~x~0.base_30) v_main_~x~0.offset_28))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...