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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/sll2n_prepend_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 16:44:05,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 16:44:05,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 16:44:05,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 16:44:05,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 16:44:05,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 16:44:05,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 16:44:05,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 16:44:05,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 16:44:05,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 16:44:05,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 16:44:05,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 16:44:05,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 16:44:05,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 16:44:05,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 16:44:05,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 16:44:05,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 16:44:05,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 16:44:05,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 16:44:05,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 16:44:05,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 16:44:05,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 16:44:05,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 16:44:05,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 16:44:05,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 16:44:05,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 16:44:05,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 16:44:05,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 16:44:05,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 16:44:05,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 16:44:05,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 16:44:05,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 16:44:05,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 16:44:05,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 16:44:05,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 16:44:05,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 16:44:05,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 16:44:05,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 16:44:05,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 16:44:05,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 16:44:05,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 16:44:05,796 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 [2019-09-17 16:44:05,811 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 16:44:05,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 16:44:05,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 16:44:05,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 16:44:05,813 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 16:44:05,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 16:44:05,814 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 16:44:05,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 16:44:05,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 16:44:05,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 16:44:05,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 16:44:05,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 16:44:05,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 16:44:05,816 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 16:44:05,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 16:44:05,816 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 16:44:05,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 16:44:05,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 16:44:05,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 16:44:05,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 16:44:05,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 16:44:05,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 16:44:05,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 16:44:05,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 16:44:05,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 16:44:05,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 16:44:05,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 16:44:05,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 16:44:05,820 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 16:44:05,865 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 16:44:05,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 16:44:05,886 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 16:44:05,888 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 16:44:05,888 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 16:44:05,889 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_prepend_equal.i [2019-09-17 16:44:05,962 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0ea5d6e5/528eaee8de18423d97667c185dede8ba/FLAG16fc95d28 [2019-09-17 16:44:06,517 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 16:44:06,518 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_prepend_equal.i [2019-09-17 16:44:06,536 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0ea5d6e5/528eaee8de18423d97667c185dede8ba/FLAG16fc95d28 [2019-09-17 16:44:06,867 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0ea5d6e5/528eaee8de18423d97667c185dede8ba [2019-09-17 16:44:06,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 16:44:06,877 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 16:44:06,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 16:44:06,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 16:44:06,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 16:44:06,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:44:06" (1/1) ... [2019-09-17 16:44:06,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11837186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:44:06, skipping insertion in model container [2019-09-17 16:44:06,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:44:06" (1/1) ... [2019-09-17 16:44:06,891 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 16:44:06,934 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 16:44:07,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:44:07,363 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 16:44:07,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:44:07,511 INFO L192 MainTranslator]: Completed translation [2019-09-17 16:44:07,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:44:07 WrapperNode [2019-09-17 16:44:07,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 16:44:07,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 16:44:07,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 16:44:07,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 16:44:07,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:44:07" (1/1) ... [2019-09-17 16:44:07,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:44:07" (1/1) ... [2019-09-17 16:44:07,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:44:07" (1/1) ... [2019-09-17 16:44:07,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:44:07" (1/1) ... [2019-09-17 16:44:07,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:44:07" (1/1) ... [2019-09-17 16:44:07,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:44:07" (1/1) ... [2019-09-17 16:44:07,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:44:07" (1/1) ... [2019-09-17 16:44:07,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 16:44:07,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 16:44:07,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 16:44:07,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 16:44:07,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:44:07" (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 [2019-09-17 16:44:07,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 16:44:07,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 16:44:07,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-17 16:44:07,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-17 16:44:07,636 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-17 16:44:07,636 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-17 16:44:07,636 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-09-17 16:44:07,636 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-09-17 16:44:07,637 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_prepend [2019-09-17 16:44:07,637 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 16:44:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 16:44:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-17 16:44:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-17 16:44:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-17 16:44:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-17 16:44:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-17 16:44:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-17 16:44:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-17 16:44:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-17 16:44:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-17 16:44:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-17 16:44:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-17 16:44:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-17 16:44:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-17 16:44:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-17 16:44:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-17 16:44:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-17 16:44:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-17 16:44:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-17 16:44:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-17 16:44:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-17 16:44:07,641 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-17 16:44:07,641 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-17 16:44:07,641 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-17 16:44:07,641 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-17 16:44:07,641 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-17 16:44:07,641 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-17 16:44:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-17 16:44:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-17 16:44:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-17 16:44:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-17 16:44:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-17 16:44:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-17 16:44:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-17 16:44:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-17 16:44:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-17 16:44:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-17 16:44:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-17 16:44:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-17 16:44:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-17 16:44:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-17 16:44:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-17 16:44:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-17 16:44:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-17 16:44:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-17 16:44:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-17 16:44:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-17 16:44:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-17 16:44:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-17 16:44:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-17 16:44:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-17 16:44:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-17 16:44:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-17 16:44:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 16:44:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-17 16:44:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-17 16:44:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 16:44:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-17 16:44:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-17 16:44:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-17 16:44:07,647 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-17 16:44:07,647 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-17 16:44:07,647 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-17 16:44:07,647 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-17 16:44:07,647 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-17 16:44:07,647 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-17 16:44:07,648 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-17 16:44:07,648 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-17 16:44:07,648 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-17 16:44:07,648 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-17 16:44:07,648 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-17 16:44:07,648 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-17 16:44:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-17 16:44:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-17 16:44:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-17 16:44:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-17 16:44:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-17 16:44:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-17 16:44:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-17 16:44:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-17 16:44:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-17 16:44:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-17 16:44:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-17 16:44:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-17 16:44:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-17 16:44:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-17 16:44:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-17 16:44:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-17 16:44:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-17 16:44:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-17 16:44:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-17 16:44:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-17 16:44:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-17 16:44:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-17 16:44:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-17 16:44:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-17 16:44:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-17 16:44:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-17 16:44:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-17 16:44:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-17 16:44:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-17 16:44:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-17 16:44:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-17 16:44:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-17 16:44:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-17 16:44:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-17 16:44:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-17 16:44:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-17 16:44:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 16:44:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 16:44:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 16:44:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-09-17 16:44:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-09-17 16:44:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 16:44:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 16:44:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure sll_prepend [2019-09-17 16:44:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 16:44:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 16:44:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-17 16:44:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 16:44:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 16:44:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 16:44:08,045 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-17 16:44:08,301 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 16:44:08,301 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-17 16:44:08,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:44:08 BoogieIcfgContainer [2019-09-17 16:44:08,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 16:44:08,303 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 16:44:08,303 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 16:44:08,304 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 16:44:08,305 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:44:08" (1/1) ... [2019-09-17 16:44:08,305 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 [2019-09-17 16:44:08,335 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 16:44:08,335 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 16:44:08,354 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 16:44:08,367 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 16:44:08,368 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 16:44:08,591 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-17 16:44:08,885 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-17 16:44:10,314 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2019-09-17 16:44:10,444 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-17 16:44:10,572 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-17 16:44:10,689 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-17 16:44:10,825 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-17 16:44:11,076 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-17 16:44:11,253 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-17 16:44:11,419 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-17 16:44:11,560 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-17 16:44:11,690 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-17 16:44:11,823 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-17 16:44:11,928 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-17 16:44:12,045 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-17 16:44:12,308 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-17 16:44:12,563 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-09-17 16:44:12,676 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-17 16:44:12,928 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-17 16:44:13,427 WARN L191 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2019-09-17 16:44:13,666 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-17 16:44:13,892 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-17 16:44:14,097 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-17 16:44:14,303 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-17 16:44:14,498 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-17 16:44:14,684 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-17 16:44:14,876 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-17 16:44:15,049 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-17 16:44:15,207 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-17 16:44:15,857 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-17 16:44:16,380 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-17 16:44:16,747 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-17 16:44:17,055 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 16:44:17,303 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 16:44:17,520 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-17 16:44:17,744 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-17 16:44:17,957 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-17 16:44:18,104 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-17 16:44:18,243 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-17 16:44:18,786 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2019-09-17 16:44:18,927 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-17 16:44:19,076 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-17 16:44:19,193 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-17 16:44:19,343 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-17 16:44:19,751 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2019-09-17 16:44:19,774 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:44:20,216 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-17 16:44:20,534 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:44:20,544 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:44:20,561 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:44:20,864 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-17 16:44:21,010 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2019-09-17 16:44:21,168 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-09-17 16:44:21,427 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-09-17 16:44:21,596 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-17 16:44:21,778 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-17 16:44:22,119 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-17 16:44:22,450 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2019-09-17 16:44:22,614 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-17 16:44:22,983 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2019-09-17 16:44:23,470 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2019-09-17 16:44:23,694 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-17 16:44:24,187 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2019-09-17 16:44:24,772 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-17 16:44:25,065 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-17 16:44:25,633 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2019-09-17 16:44:26,308 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 118 [2019-09-17 16:44:26,623 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-17 16:44:27,305 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2019-09-17 16:44:28,590 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 137 DAG size of output: 134 [2019-09-17 16:44:29,182 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 16:44:30,427 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 135 DAG size of output: 131 [2019-09-17 16:44:31,771 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 148 DAG size of output: 138 [2019-09-17 16:44:32,420 WARN L191 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 16:44:33,973 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 140 DAG size of output: 139 [2019-09-17 16:44:35,620 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 156 DAG size of output: 153 [2019-09-17 16:44:36,405 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-17 16:44:38,008 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2019-09-17 16:44:39,946 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 174 DAG size of output: 163 [2019-09-17 16:44:40,893 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-09-17 16:44:42,791 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2019-09-17 16:44:46,731 WARN L191 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 189 DAG size of output: 186 [2019-09-17 16:44:48,718 WARN L191 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 186 [2019-09-17 16:44:52,684 WARN L191 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2019-09-17 16:44:55,924 WARN L191 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 210 DAG size of output: 190 [2019-09-17 16:44:57,489 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 190 [2019-09-17 16:45:00,706 WARN L191 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2019-09-17 16:45:05,725 WARN L191 SmtUtils]: Spent 5.00 s on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2019-09-17 16:45:08,134 WARN L191 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 211 [2019-09-17 16:45:13,061 WARN L191 SmtUtils]: Spent 4.85 s on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2019-09-17 16:45:17,656 WARN L191 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 249 DAG size of output: 221 [2019-09-17 16:45:19,906 WARN L191 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 221 [2019-09-17 16:45:24,482 WARN L191 SmtUtils]: Spent 4.53 s on a formula simplification. DAG size of input: 223 DAG size of output: 221 [2019-09-17 16:45:32,137 WARN L191 SmtUtils]: Spent 7.62 s on a formula simplification. DAG size of input: 243 DAG size of output: 240 [2019-09-17 16:45:35,966 WARN L191 SmtUtils]: Spent 3.83 s on a formula simplification that was a NOOP. DAG size: 240 [2019-09-17 16:45:43,643 WARN L191 SmtUtils]: Spent 7.58 s on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2019-09-17 16:45:51,562 WARN L191 SmtUtils]: Spent 7.91 s on a formula simplification. DAG size of input: 288 DAG size of output: 247 [2019-09-17 16:45:55,477 WARN L191 SmtUtils]: Spent 3.91 s on a formula simplification that was a NOOP. DAG size: 247 [2019-09-17 16:46:03,307 WARN L191 SmtUtils]: Spent 7.73 s on a formula simplification. DAG size of input: 249 DAG size of output: 238 [2019-09-17 16:46:20,529 WARN L191 SmtUtils]: Spent 17.18 s on a formula simplification. DAG size of input: 278 DAG size of output: 275 [2019-09-17 16:46:28,877 WARN L191 SmtUtils]: Spent 8.35 s on a formula simplification that was a NOOP. DAG size: 275 [2019-09-17 16:46:45,853 WARN L191 SmtUtils]: Spent 16.77 s on a formula simplification. DAG size of input: 276 DAG size of output: 273 [2019-09-17 16:46:46,309 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-17 16:46:46,538 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-17 16:46:47,519 WARN L191 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 92 [2019-09-17 16:46:47,823 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-17 16:46:48,007 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-17 16:46:48,248 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-17 16:46:48,248 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 16:46:48,248 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 16:46:48,250 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 725#(and (<= |#NULL.base| 0) (<= 0 main_~count~0) (<= main_~data~0 1) (or (and (not (= main_~count~0 (+ main_~len~0 1))) (= main_~ptr~0.offset 0) (= 0 main_~ptr~0.base) (<= |main_~#s~0.offset| 0)) (and (or (not (= main_~ptr~0.offset 0)) (not (= 0 main_~ptr~0.base))) (= main_~temp~2.base (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~temp~2.offset) (<= |main_~#s~0.offset| 0) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))))) (<= 0 |#NULL.base|) (<= 0 |main_~#s~0.offset|) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 2 main_~len~0) (<= 1 main_~data~0)) [2019-09-17 16:46:48,263 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 16:46:48,263 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 16:46:48,265 INFO L168 Benchmark]: Toolchain (without parser) took 161387.29 ms. Allocated memory was 133.2 MB in the beginning and 181.9 MB in the end (delta: 48.8 MB). Free memory was 86.2 MB in the beginning and 139.9 MB in the end (delta: -53.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 16:46:48,266 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 16:46:48,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.48 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 85.8 MB in the beginning and 163.1 MB in the end (delta: -77.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-17 16:46:48,270 INFO L168 Benchmark]: Boogie Preprocessor took 68.73 ms. Allocated memory is still 200.3 MB. Free memory was 163.1 MB in the beginning and 160.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-17 16:46:48,271 INFO L168 Benchmark]: RCFGBuilder took 720.85 ms. Allocated memory is still 200.3 MB. Free memory was 160.1 MB in the beginning and 108.7 MB in the end (delta: 51.3 MB). Peak memory consumption was 51.3 MB. Max. memory is 7.1 GB. [2019-09-17 16:46:48,272 INFO L168 Benchmark]: Sifa took 159959.99 ms. Allocated memory was 200.3 MB in the beginning and 181.9 MB in the end (delta: -18.4 MB). Free memory was 108.7 MB in the beginning and 139.9 MB in the end (delta: -31.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 16:46:48,274 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 634.48 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 85.8 MB in the beginning and 163.1 MB in the end (delta: -77.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.73 ms. Allocated memory is still 200.3 MB. Free memory was 163.1 MB in the beginning and 160.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 720.85 ms. Allocated memory is still 200.3 MB. Free memory was 160.1 MB in the beginning and 108.7 MB in the end (delta: 51.3 MB). Peak memory consumption was 51.3 MB. Max. memory is 7.1 GB. * Sifa took 159959.99 ms. Allocated memory was 200.3 MB in the beginning and 181.9 MB in the end (delta: -18.4 MB). Free memory was 108.7 MB in the beginning and 139.9 MB in the end (delta: -31.2 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]: 159916, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 57, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 45, TOOLS_POST_TIME[ms]: 6100, TOOLS_POST_CALL_APPLICATIONS: 10, TOOLS_POST_CALL_TIME[ms]: 276, TOOLS_POST_RETURN_APPLICATIONS: 9, TOOLS_POST_RETURN_TIME[ms]: 3622, TOOLS_QUANTIFIERELIM_APPLICATIONS: 64, TOOLS_QUANTIFIERELIM_TIME[ms]: 9954, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 2897, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 71, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 21, DOMAIN_JOIN_TIME[ms]: 96062, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 684, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME[ms]: 53000, DOMAIN_ISSUBSETEQ_APPLICATIONS: 14, DOMAIN_ISSUBSETEQ_TIME[ms]: 52, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 157343, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 157343, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 14, CALL_SUMMARIZER_APPLICATIONS: 9, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11818, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11816, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 22, DAG_COMPRESSION_PROCESSED_NODES: 88, DAG_COMPRESSION_RETAINED_NODES: 49 - UnprovableResult [Line: 613]: 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 725#(and (<= |#NULL.base| 0) (<= 0 main_~count~0) (<= main_~data~0 1) (or (and (not (= main_~count~0 (+ main_~len~0 1))) (= main_~ptr~0.offset 0) (= 0 main_~ptr~0.base) (<= |main_~#s~0.offset| 0)) (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))) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~temp~2.offset) (<= |main_~#s~0.offset| 0) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))))) (<= 0 |#NULL.base|) (<= 0 |main_~#s~0.offset|) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 2 main_~len~0) (<= 1 main_~data~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...