/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/list-simple/sll2c_prepend_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:07:24,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:07:24,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:07:24,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:07:24,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:07:24,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:07:24,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:07:24,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:07:24,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:07:24,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:07:24,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:07:24,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:07:24,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:07:24,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:07:24,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:07:24,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:07:24,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:07:24,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:07:24,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:07:24,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:07:24,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:07:24,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:07:24,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:07:24,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:07:24,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:07:24,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:07:24,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:07:24,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:07:24,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:07:24,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:07:24,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:07:24,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:07:24,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:07:24,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:07:24,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:07:24,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:07:24,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:07:24,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:07:24,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:07:24,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:07:24,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:07:24,752 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 10:07:24,767 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:07:24,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:07:24,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:07:24,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:07:24,769 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:07:24,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:07:24,769 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:07:24,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:07:24,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:07:24,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:07:24,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:07:24,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:07:24,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:07:24,771 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:07:24,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:07:24,772 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:07:24,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:07:24,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:07:24,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:07:24,773 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:07:24,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:07:24,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:07:24,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:07:24,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:07:24,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:07:24,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:07:24,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:07:24,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:07:24,776 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 10:07:25,049 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:07:25,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:07:25,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:07:25,076 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:07:25,076 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:07:25,077 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_prepend_unequal.i [2019-11-07 10:07:25,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c1f5b92b/c96fb1fc826140309936748d5209c028/FLAG5623590c7 [2019-11-07 10:07:25,698 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:07:25,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_prepend_unequal.i [2019-11-07 10:07:25,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c1f5b92b/c96fb1fc826140309936748d5209c028/FLAG5623590c7 [2019-11-07 10:07:26,003 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c1f5b92b/c96fb1fc826140309936748d5209c028 [2019-11-07 10:07:26,012 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:07:26,014 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:07:26,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:07:26,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:07:26,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:07:26,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:07:26" (1/1) ... [2019-11-07 10:07:26,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3360392e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:26, skipping insertion in model container [2019-11-07 10:07:26,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:07:26" (1/1) ... [2019-11-07 10:07:26,030 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:07:26,073 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:07:26,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:07:26,543 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:07:26,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:07:26,663 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:07:26,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:26 WrapperNode [2019-11-07 10:07:26,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:07:26,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:07:26,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:07:26,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:07:26,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:26" (1/1) ... [2019-11-07 10:07:26,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:26" (1/1) ... [2019-11-07 10:07:26,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:26" (1/1) ... [2019-11-07 10:07:26,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:26" (1/1) ... [2019-11-07 10:07:26,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:26" (1/1) ... [2019-11-07 10:07:26,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:26" (1/1) ... [2019-11-07 10:07:26,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:26" (1/1) ... [2019-11-07 10:07:26,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:07:26,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:07:26,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:07:26,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:07:26,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:26" (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 10:07:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:07:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:07:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-07 10:07:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-07 10:07:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-07 10:07:26,794 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-11-07 10:07:26,794 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-11-07 10:07:26,794 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2019-11-07 10:07:26,794 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_prepend [2019-11-07 10:07:26,794 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:07:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:07:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-07 10:07:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-07 10:07:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-07 10:07:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-07 10:07:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-07 10:07:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-07 10:07:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-07 10:07:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-07 10:07:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-07 10:07:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-07 10:07:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-07 10:07:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-07 10:07:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-07 10:07:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-07 10:07:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-07 10:07:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-07 10:07:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-07 10:07:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-07 10:07:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-07 10:07:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-07 10:07:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-07 10:07:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-07 10:07:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-07 10:07:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-07 10:07:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-07 10:07:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-07 10:07:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-07 10:07:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-07 10:07:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-07 10:07:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-07 10:07:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-07 10:07:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-07 10:07:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-07 10:07:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-07 10:07:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-07 10:07:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-07 10:07:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-07 10:07:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-07 10:07:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-07 10:07:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-07 10:07:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-07 10:07:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-07 10:07:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-07 10:07:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-07 10:07:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-07 10:07:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-07 10:07:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-07 10:07:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-07 10:07:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-07 10:07:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-07 10:07:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-07 10:07:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-07 10:07:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:07:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 10:07:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-07 10:07:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:07:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-07 10:07:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-07 10:07:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-07 10:07:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-07 10:07:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-07 10:07:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-07 10:07:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-07 10:07:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-07 10:07:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-07 10:07:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 10:07:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-07 10:07:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-07 10:07:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-07 10:07:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-07 10:07:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-07 10:07:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-07 10:07:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-07 10:07:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-07 10:07:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-07 10:07:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-07 10:07:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-07 10:07:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-07 10:07:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-07 10:07:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-07 10:07:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-07 10:07:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-07 10:07:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-07 10:07:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-07 10:07:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-07 10:07:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-07 10:07:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-07 10:07:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-07 10:07:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-07 10:07:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-07 10:07:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-07 10:07:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-07 10:07:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-07 10:07:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-07 10:07:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-07 10:07:26,810 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-07 10:07:26,810 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-07 10:07:26,810 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-07 10:07:26,810 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-07 10:07:26,810 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-07 10:07:26,810 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-07 10:07:26,810 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-07 10:07:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-07 10:07:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-07 10:07:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-07 10:07:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-07 10:07:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-11-07 10:07:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:07:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:07:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:07:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-11-07 10:07:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2019-11-07 10:07:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:07:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:07:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_prepend [2019-11-07 10:07:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:07:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:07:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 10:07:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:07:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:07:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:07:27,173 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-07 10:07:27,511 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:07:27,512 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 10:07:27,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:07:27 BoogieIcfgContainer [2019-11-07 10:07:27,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:07:27,514 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:07:27,514 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:07:27,515 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:07:27,516 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:07:27" (1/1) ... [2019-11-07 10:07:27,517 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 10:07:27,547 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:07:27,548 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:07:27,556 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:07:27,564 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:07:27,565 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:07:27,700 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-11-07 10:07:27,983 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:07:29,729 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2019-11-07 10:07:29,812 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:07:30,236 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:07:30,252 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:07:30,252 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:07:30,254 INFO L168 Benchmark]: Toolchain (without parser) took 4241.24 ms. Allocated memory was 137.4 MB in the beginning and 249.6 MB in the end (delta: 112.2 MB). Free memory was 100.3 MB in the beginning and 95.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 117.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:07:30,255 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 10:07:30,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.19 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.1 MB in the beginning and 163.4 MB in the end (delta: -63.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-11-07 10:07:30,256 INFO L168 Benchmark]: Boogie Preprocessor took 66.40 ms. Allocated memory is still 201.3 MB. Free memory was 163.4 MB in the beginning and 160.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:07:30,256 INFO L168 Benchmark]: RCFGBuilder took 782.50 ms. Allocated memory is still 201.3 MB. Free memory was 160.7 MB in the beginning and 103.1 MB in the end (delta: 57.6 MB). Peak memory consumption was 57.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:07:30,259 INFO L168 Benchmark]: Sifa took 2739.00 ms. Allocated memory was 201.3 MB in the beginning and 249.6 MB in the end (delta: 48.2 MB). Free memory was 103.1 MB in the beginning and 95.6 MB in the end (delta: 7.5 MB). Peak memory consumption was 55.8 MB. Max. memory is 7.1 GB. [2019-11-07 10:07:30,267 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 649.19 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.1 MB in the beginning and 163.4 MB in the end (delta: -63.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.40 ms. Allocated memory is still 201.3 MB. Free memory was 163.4 MB in the beginning and 160.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 782.50 ms. Allocated memory is still 201.3 MB. Free memory was 160.7 MB in the beginning and 103.1 MB in the end (delta: 57.6 MB). Peak memory consumption was 57.6 MB. Max. memory is 7.1 GB. * Sifa took 2739.00 ms. Allocated memory was 201.3 MB in the beginning and 249.6 MB in the end (delta: 48.2 MB). Free memory was 103.1 MB in the beginning and 95.6 MB in the end (delta: 7.5 MB). Peak memory consumption was 55.8 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]: 2690, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 9, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 49, TOOLS_POST_TIME[ms]: 1227, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 230, TOOLS_POST_RETURN_APPLICATIONS: 10, TOOLS_POST_RETURN_TIME[ms]: 799, TOOLS_QUANTIFIERELIM_APPLICATIONS: 70, TOOLS_QUANTIFIERELIM_TIME[ms]: 2211, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 346, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 83, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 9, DOMAIN_JOIN_TIME[ms]: 192, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 107, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 9, DOMAIN_ISBOTTOM_TIME[ms]: 28, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 907, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 906, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 10, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1943, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1943, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 21, DAG_COMPRESSION_PROCESSED_NODES: 186, DAG_COMPRESSION_RETAINED_NODES: 74 - UnprovableResult [Line: 634]: 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 147#(and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= main_~uneq~0 5) (<= 0 |main_~#s~0.offset|) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= |main_~#s~0.offset| 0) (or (and (= |#NULL.base| 0) (= main_~data~0 1) (<= 1 main_~count~0) (= |main_~#s~0.offset| 0) (= |#NULL.offset| 0) (= main_~uneq~0 5) (= main_~len~0 2)) (and (< |main_~#s~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (<= 1 main_~len~0) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (not (= (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~uneq~0)) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.base) (= |main_~#s~0.offset| 0) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.offset) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= main_~uneq~0 5) (= main_~len~0 2))) (<= main_~data~0 1) (<= 5 main_~uneq~0) (<= 2 main_~len~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...