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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:29:02,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:29:02,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:29:02,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:29:02,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:29:02,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:29:02,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:29:02,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:29:02,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:29:02,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:29:02,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:29:02,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:29:02,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:29:02,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:29:02,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:29:02,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:29:02,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:29:02,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:29:02,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:29:02,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:29:02,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:29:02,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:29:02,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:29:02,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:29:02,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:29:02,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:29:02,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:29:02,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:29:02,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:29:02,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:29:02,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:29:02,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:29:02,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:29:02,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:29:02,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:29:02,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:29:02,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:29:02,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:29:02,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:29:02,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:29:02,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:29:02,936 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 18:29:02,958 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:29:02,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:29:02,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:29:02,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:29:02,960 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:29:02,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:29:02,961 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:29:02,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:29:02,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:29:02,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:29:02,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:29:02,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:29:02,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:29:02,964 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:29:02,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:29:02,964 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:29:02,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:29:02,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:29:02,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:29:02,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:29:02,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:29:02,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:29:02,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:29:02,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:29:02,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:29:02,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:29:02,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:29:02,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:29:02,967 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 -> SequenceOfStatements 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 18:29:03,032 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:29:03,046 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:29:03,050 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:29:03,051 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:29:03,052 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:29:03,052 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-09-20 18:29:03,114 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a053943a4/92a874b381c44ce8b71725f580d15876/FLAG714c97c2d [2019-09-20 18:29:03,644 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:29:03,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-09-20 18:29:03,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a053943a4/92a874b381c44ce8b71725f580d15876/FLAG714c97c2d [2019-09-20 18:29:03,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a053943a4/92a874b381c44ce8b71725f580d15876 [2019-09-20 18:29:03,961 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:29:03,963 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:29:03,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:29:03,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:29:03,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:29:03,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:29:03" (1/1) ... [2019-09-20 18:29:03,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b8a75a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:03, skipping insertion in model container [2019-09-20 18:29:03,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:29:03" (1/1) ... [2019-09-20 18:29:03,980 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:29:04,023 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:29:04,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:29:04,558 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:29:04,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:29:04,679 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:29:04,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:04 WrapperNode [2019-09-20 18:29:04,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:29:04,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:29:04,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:29:04,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:29:04,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:04" (1/1) ... [2019-09-20 18:29:04,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:04" (1/1) ... [2019-09-20 18:29:04,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:04" (1/1) ... [2019-09-20 18:29:04,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:04" (1/1) ... [2019-09-20 18:29:04,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:04" (1/1) ... [2019-09-20 18:29:04,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:04" (1/1) ... [2019-09-20 18:29:04,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:04" (1/1) ... [2019-09-20 18:29:04,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:29:04,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:29:04,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:29:04,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:29:04,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:04" (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 18:29:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:29:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:29:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 18:29:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 18:29:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 18:29:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die [2019-09-20 18:29:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sl_with_head_and_tail [2019-09-20 18:29:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_random_insert [2019-09-20 18:29:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_sl [2019-09-20 18:29:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:29:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:29:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 18:29:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 18:29:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 18:29:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 18:29:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 18:29:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 18:29:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 18:29:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 18:29:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 18:29:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 18:29:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 18:29:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 18:29:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 18:29:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 18:29:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 18:29:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 18:29:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 18:29:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 18:29:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 18:29:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 18:29:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 18:29:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 18:29:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 18:29:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 18:29:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 18:29:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 18:29:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 18:29:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 18:29:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 18:29:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 18:29:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 18:29:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 18:29:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 18:29:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 18:29:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 18:29:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 18:29:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 18:29:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 18:29:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 18:29:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 18:29:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 18:29:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 18:29:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 18:29:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 18:29:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 18:29:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 18:29:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 18:29:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 18:29:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 18:29:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 18:29:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 18:29:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 18:29:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 18:29:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 18:29:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 18:29:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 18:29:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 18:29:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 18:29:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 18:29:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 18:29:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 18:29:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 18:29:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 18:29:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 18:29:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 18:29:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 18:29:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 18:29:04,822 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 18:29:04,822 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 18:29:04,822 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 18:29:04,822 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 18:29:04,822 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 18:29:04,822 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 18:29:04,823 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 18:29:04,823 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 18:29:04,823 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 18:29:04,823 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 18:29:04,823 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 18:29:04,823 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 18:29:04,823 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 18:29:04,824 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 18:29:04,824 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 18:29:04,824 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 18:29:04,824 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 18:29:04,824 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 18:29:04,824 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 18:29:04,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 18:29:04,825 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 18:29:04,825 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 18:29:04,825 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 18:29:04,825 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 18:29:04,825 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 18:29:04,825 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 18:29:04,825 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 18:29:04,826 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 18:29:04,826 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 18:29:04,826 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 18:29:04,826 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 18:29:04,826 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 18:29:04,826 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 18:29:04,826 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 18:29:04,827 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 18:29:04,827 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 18:29:04,827 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 18:29:04,827 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 18:29:04,827 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 18:29:04,827 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 18:29:04,828 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die [2019-09-20 18:29:04,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 18:29:04,828 INFO L130 BoogieDeclarations]: Found specification of procedure create_sl_with_head_and_tail [2019-09-20 18:29:04,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 18:29:04,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 18:29:04,828 INFO L130 BoogieDeclarations]: Found specification of procedure sl_random_insert [2019-09-20 18:29:04,829 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_sl [2019-09-20 18:29:04,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 18:29:04,829 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:29:04,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 18:29:04,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 18:29:04,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:29:04,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:29:05,192 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 18:29:05,539 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:29:05,539 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 18:29:05,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:29:05 BoogieIcfgContainer [2019-09-20 18:29:05,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:29:05,541 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:29:05,542 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:29:05,542 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:29:05,543 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:29:05" (1/1) ... [2019-09-20 18:29:05,544 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 18:29:05,567 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:29:05,567 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:29:05,575 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:29:05,584 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:29:05,586 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:29:05,725 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 18:29:05,758 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 18:29:06,073 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2019-09-20 18:29:06,300 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 18:29:06,565 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-20 18:29:07,306 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 18:29:08,485 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 18:29:09,203 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-20 18:29:11,353 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 152 [2019-09-20 18:29:12,281 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:29:12,281 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:29:12,283 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 122#(exists ((v_main_~p~0.offset_19 Int) (v_main_~p~0.offset_18 Int) (v_main_~p~0.base_19 Int) (v_main_~p~0.base_18 Int)) (or (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4))) (not (= 0 main_~p~0.base))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (not (= 0 main_~p~0.base)) (= main_~a~0.offset main_~p~0.offset)) (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (= main_~a~0.offset main_~p~0.offset)))) [2019-09-20 18:29:12,299 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 18:29:12,299 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:29:12,301 INFO L168 Benchmark]: Toolchain (without parser) took 8337.95 ms. Allocated memory was 134.2 MB in the beginning and 257.9 MB in the end (delta: 123.7 MB). Free memory was 86.9 MB in the beginning and 199.0 MB in the end (delta: -112.1 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-20 18:29:12,302 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 18:29:12,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.28 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 86.7 MB in the beginning and 163.2 MB in the end (delta: -76.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2019-09-20 18:29:12,314 INFO L168 Benchmark]: Boogie Preprocessor took 73.36 ms. Allocated memory is still 201.3 MB. Free memory was 163.2 MB in the beginning and 159.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-20 18:29:12,315 INFO L168 Benchmark]: RCFGBuilder took 786.71 ms. Allocated memory is still 201.3 MB. Free memory was 159.6 MB in the beginning and 102.8 MB in the end (delta: 56.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 7.1 GB. [2019-09-20 18:29:12,315 INFO L168 Benchmark]: Sifa took 6757.99 ms. Allocated memory was 201.3 MB in the beginning and 257.9 MB in the end (delta: 56.6 MB). Free memory was 102.8 MB in the beginning and 199.0 MB in the end (delta: -96.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 18:29:12,323 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 716.28 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 86.7 MB in the beginning and 163.2 MB in the end (delta: -76.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.36 ms. Allocated memory is still 201.3 MB. Free memory was 163.2 MB in the beginning and 159.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 786.71 ms. Allocated memory is still 201.3 MB. Free memory was 159.6 MB in the beginning and 102.8 MB in the end (delta: 56.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 7.1 GB. * Sifa took 6757.99 ms. Allocated memory was 201.3 MB in the beginning and 257.9 MB in the end (delta: 56.6 MB). Free memory was 102.8 MB in the beginning and 199.0 MB in the end (delta: -96.2 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]: 6716, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 65, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 53, TOOLS_POST_TIME[ms]: 3495, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 43, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 63, TOOLS_QUANTIFIERELIM_TIME[ms]: 3502, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1832, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 71, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 21, DOMAIN_JOIN_TIME[ms]: 648, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME[ms]: 3, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 2358, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 24, DOMAIN_ISBOTTOM_APPLICATIONS: 12, DOMAIN_ISBOTTOM_TIME[ms]: 50, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6218, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6217, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 89, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 89, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 21, DAG_COMPRESSION_PROCESSED_NODES: 147, DAG_COMPRESSION_RETAINED_NODES: 87 - UnprovableResult [Line: 601]: 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#(exists ((v_main_~p~0.offset_19 Int) (v_main_~p~0.offset_18 Int) (v_main_~p~0.base_19 Int) (v_main_~p~0.base_18 Int)) (or (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4))) (not (= 0 main_~p~0.base))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (not (= 0 main_~p~0.base)) (= main_~a~0.offset main_~p~0.offset)) (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (= main_~a~0.offset main_~p~0.offset)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...