java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/sll2n_prepend_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:29:00,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:29:00,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:29:00,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:29:00,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:29:00,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:29:00,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:29:00,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:29:00,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:29:00,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:29:00,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:29:00,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:29:00,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:29:00,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:29:00,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:29:00,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:29:00,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:29:00,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:29:00,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:29:00,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:29:00,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:29:00,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:29:00,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:29:00,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:29:00,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:29:00,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:29:00,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:29:00,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:29:00,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:29:00,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:29:00,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:29:00,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:29:00,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:29:00,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:29:00,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:29:00,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:29:00,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:29:00,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:29:00,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:29:00,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:29:00,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:29:00,100 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 19:29:00,133 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:29:00,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:29:00,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:29:00,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:29:00,138 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:29:00,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:29:00,139 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:29:00,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:29:00,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:29:00,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:29:00,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:29:00,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:29:00,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:29:00,140 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:29:00,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:29:00,140 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:29:00,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:29:00,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:29:00,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:29:00,142 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:29:00,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:29:00,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:29:00,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:29:00,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:29:00,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:29:00,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:29:00,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:29:00,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:29:00,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 19:29:00,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:29:00,194 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:29:00,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:29:00,199 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:29:00,199 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:29:00,200 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_prepend_unequal.i [2019-09-20 19:29:00,259 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91b9af0ba/4de70d56767643a385309961960dd0e6/FLAG115ae64c1 [2019-09-20 19:29:00,750 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:29:00,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_prepend_unequal.i [2019-09-20 19:29:00,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91b9af0ba/4de70d56767643a385309961960dd0e6/FLAG115ae64c1 [2019-09-20 19:29:01,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91b9af0ba/4de70d56767643a385309961960dd0e6 [2019-09-20 19:29:01,041 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:29:01,043 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:29:01,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:29:01,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:29:01,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:29:01,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:29:01" (1/1) ... [2019-09-20 19:29:01,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51bafefd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:01, skipping insertion in model container [2019-09-20 19:29:01,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:29:01" (1/1) ... [2019-09-20 19:29:01,058 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:29:01,117 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:29:01,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:29:01,611 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:29:01,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:29:01,740 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:29:01,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:01 WrapperNode [2019-09-20 19:29:01,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:29:01,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:29:01,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:29:01,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:29:01,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:01" (1/1) ... [2019-09-20 19:29:01,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:01" (1/1) ... [2019-09-20 19:29:01,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:01" (1/1) ... [2019-09-20 19:29:01,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:01" (1/1) ... [2019-09-20 19:29:01,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:01" (1/1) ... [2019-09-20 19:29:01,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:01" (1/1) ... [2019-09-20 19:29:01,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:01" (1/1) ... [2019-09-20 19:29:01,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:29:01,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:29:01,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:29:01,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:29:01,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:29:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:29:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:29:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 19:29:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 19:29:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 19:29:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 19:29:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-09-20 19:29:01,882 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-09-20 19:29:01,882 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_prepend [2019-09-20 19:29:01,882 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:29:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:29:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 19:29:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 19:29:01,883 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 19:29:01,883 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 19:29:01,883 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 19:29:01,883 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 19:29:01,883 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 19:29:01,884 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 19:29:01,884 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 19:29:01,884 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 19:29:01,884 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 19:29:01,884 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 19:29:01,884 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 19:29:01,885 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 19:29:01,885 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 19:29:01,885 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 19:29:01,885 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 19:29:01,885 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 19:29:01,885 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 19:29:01,886 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 19:29:01,886 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 19:29:01,886 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 19:29:01,886 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 19:29:01,886 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 19:29:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 19:29:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 19:29:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 19:29:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 19:29:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 19:29:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 19:29:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 19:29:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 19:29:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 19:29:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 19:29:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 19:29:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 19:29:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 19:29:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 19:29:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 19:29:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 19:29:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 19:29:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 19:29:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 19:29:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 19:29:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 19:29:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 19:29:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 19:29:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 19:29:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 19:29:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 19:29:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 19:29:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 19:29:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:29:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 19:29:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 19:29:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 19:29:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 19:29:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 19:29:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 19:29:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 19:29:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 19:29:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 19:29:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 19:29:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 19:29:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 19:29:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 19:29:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 19:29:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 19:29:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 19:29:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 19:29:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 19:29:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 19:29:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 19:29:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 19:29:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 19:29:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 19:29:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 19:29:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 19:29:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 19:29:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 19:29:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 19:29:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 19:29:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 19:29:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 19:29:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 19:29:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 19:29:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 19:29:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 19:29:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 19:29:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 19:29:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 19:29:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 19:29:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 19:29:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 19:29:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 19:29:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 19:29:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 19:29:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 19:29:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 19:29:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 19:29:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 19:29:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 19:29:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 19:29:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 19:29:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 19:29:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 19:29:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 19:29:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 19:29:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:29:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:29:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-09-20 19:29:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-09-20 19:29:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:29:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:29:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure sll_prepend [2019-09-20 19:29:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:29:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 19:29:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 19:29:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:29:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:29:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:29:02,341 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 19:29:02,576 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:29:02,577 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 19:29:02,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:29:02 BoogieIcfgContainer [2019-09-20 19:29:02,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:29:02,579 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:29:02,579 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:29:02,579 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:29:02,580 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:29:02" (1/1) ... [2019-09-20 19:29:02,581 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 19:29:02,603 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:29:02,603 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:29:02,612 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:29:02,620 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:29:02,622 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:29:02,778 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 19:29:03,093 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 19:29:03,852 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-20 19:29:04,535 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 19:29:05,171 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2019-09-20 19:29:05,352 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 19:29:05,502 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 19:29:05,665 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 19:29:05,813 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 19:29:05,957 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 19:29:06,106 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 19:29:06,245 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 19:29:06,384 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 19:29:06,499 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 19:29:06,618 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 19:29:06,948 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-20 19:29:07,737 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-20 19:29:07,998 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 19:29:08,368 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2019-09-20 19:29:08,610 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:29:08,618 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:29:08,756 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-20 19:29:08,978 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-20 19:29:09,233 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2019-09-20 19:29:09,346 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 19:29:09,767 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2019-09-20 19:29:09,982 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 19:29:10,275 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 19:29:10,530 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 19:29:11,200 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 115 [2019-09-20 19:29:11,370 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-20 19:29:11,889 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 19:29:12,114 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-20 19:29:12,400 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 19:29:12,401 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 19:29:12,403 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 212#(or (and (or (not (= main_~ptr~0.offset 0)) (not (= 0 main_~ptr~0.base))) (= main_~temp~2.base (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~temp~2.offset)) (and (not (= main_~count~0 (+ main_~len~0 1))) (or (and (< |main_~#s~0.base| |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (= main_~ptr~0.offset 0) (= 0 |#NULL.base|) (= (select |#length| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 8) (= main_~ptr~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 4)) main_~ptr~0.offset) (< |#StackHeapBarrier| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (= main_~count~0 1) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= 0 main_~ptr~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 0) main_~uneq~0) (= |main_~#s~0.offset| 0) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= main_~uneq~0 5) (= main_~len~0 2)) (and (= 0 main_~ptr~0.base) (= main_~ptr~0.offset 0) (= main_~temp~2.base main_~ptr~0.base) (= main_~ptr~0.offset main_~temp~2.offset))))) [2019-09-20 19:29:12,415 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 19:29:12,416 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 19:29:12,417 INFO L168 Benchmark]: Toolchain (without parser) took 11375.02 ms. Allocated memory was 137.9 MB in the beginning and 373.8 MB in the end (delta: 235.9 MB). Free memory was 87.1 MB in the beginning and 256.9 MB in the end (delta: -169.7 MB). Peak memory consumption was 66.2 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:12,417 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 106.6 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 19:29:12,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.39 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 86.9 MB in the beginning and 164.2 MB in the end (delta: -77.2 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:12,418 INFO L168 Benchmark]: Boogie Preprocessor took 73.07 ms. Allocated memory is still 200.3 MB. Free memory was 164.2 MB in the beginning and 161.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:12,419 INFO L168 Benchmark]: RCFGBuilder took 763.79 ms. Allocated memory is still 200.3 MB. Free memory was 161.1 MB in the beginning and 108.9 MB in the end (delta: 52.3 MB). Peak memory consumption was 52.3 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:12,419 INFO L168 Benchmark]: Sifa took 9837.08 ms. Allocated memory was 200.3 MB in the beginning and 373.8 MB in the end (delta: 173.5 MB). Free memory was 108.9 MB in the beginning and 256.9 MB in the end (delta: -148.0 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:12,421 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 106.6 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 697.39 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 86.9 MB in the beginning and 164.2 MB in the end (delta: -77.2 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.07 ms. Allocated memory is still 200.3 MB. Free memory was 164.2 MB in the beginning and 161.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 763.79 ms. Allocated memory is still 200.3 MB. Free memory was 161.1 MB in the beginning and 108.9 MB in the end (delta: 52.3 MB). Peak memory consumption was 52.3 MB. Max. memory is 7.1 GB. * Sifa took 9837.08 ms. Allocated memory was 200.3 MB in the beginning and 373.8 MB in the end (delta: 173.5 MB). Free memory was 108.9 MB in the beginning and 256.9 MB in the end (delta: -148.0 MB). Peak memory consumption was 25.5 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]: 9800, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 147, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 135, TOOLS_POST_TIME[ms]: 2267, TOOLS_POST_CALL_APPLICATIONS: 10, TOOLS_POST_CALL_TIME[ms]: 302, TOOLS_POST_RETURN_APPLICATIONS: 9, TOOLS_POST_RETURN_TIME[ms]: 2463, TOOLS_QUANTIFIERELIM_APPLICATIONS: 154, TOOLS_QUANTIFIERELIM_TIME[ms]: 4979, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1716, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 153, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 21, DOMAIN_JOIN_TIME[ms]: 2868, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 1755, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 16, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 19, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5801, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5800, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 9, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 5633, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5633, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 32, DAG_COMPRESSION_PROCESSED_NODES: 388, DAG_COMPRESSION_RETAINED_NODES: 141 - UnprovableResult [Line: 618]: 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 212#(or (and (or (not (= main_~ptr~0.offset 0)) (not (= 0 main_~ptr~0.base))) (= main_~temp~2.base (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~temp~2.offset)) (and (not (= main_~count~0 (+ main_~len~0 1))) (or (and (< |main_~#s~0.base| |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (= main_~ptr~0.offset 0) (= 0 |#NULL.base|) (= (select |#length| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 8) (= main_~ptr~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 4)) main_~ptr~0.offset) (< |#StackHeapBarrier| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (= main_~count~0 1) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= 0 main_~ptr~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 0) main_~uneq~0) (= |main_~#s~0.offset| 0) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= main_~uneq~0 5) (= main_~len~0 2)) (and (= 0 main_~ptr~0.base) (= main_~ptr~0.offset 0) (= main_~temp~2.base main_~ptr~0.base) (= main_~ptr~0.offset main_~temp~2.offset))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...