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 LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/forester-heap/dll-circular-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 05:47:31,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 05:47:31,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 05:47:31,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 05:47:31,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 05:47:31,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 05:47:31,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 05:47:31,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 05:47:31,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 05:47:31,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 05:47:31,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 05:47:31,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 05:47:31,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 05:47:31,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 05:47:31,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 05:47:31,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 05:47:31,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 05:47:31,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 05:47:31,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 05:47:31,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 05:47:31,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 05:47:31,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 05:47:31,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 05:47:31,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 05:47:31,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 05:47:31,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 05:47:31,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 05:47:31,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 05:47:31,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 05:47:31,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 05:47:31,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 05:47:31,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 05:47:31,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 05:47:31,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 05:47:31,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 05:47:31,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 05:47:31,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 05:47:31,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 05:47:31,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 05:47:31,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 05:47:31,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 05:47:31,612 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 05:47:31,626 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 05:47:31,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 05:47:31,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 05:47:31,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 05:47:31,628 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 05:47:31,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 05:47:31,629 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 05:47:31,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 05:47:31,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 05:47:31,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 05:47:31,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 05:47:31,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 05:47:31,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 05:47:31,630 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 05:47:31,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 05:47:31,630 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 05:47:31,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 05:47:31,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 05:47:31,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 05:47:31,631 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 05:47:31,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 05:47:31,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 05:47:31,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 05:47:31,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 05:47:31,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 05:47:31,632 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 05:47:31,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 05:47:31,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 05:47:31,633 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 -> 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_QUICK [2019-09-17 05:47:31,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 05:47:31,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 05:47:31,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 05:47:31,689 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 05:47:31,690 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 05:47:31,691 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-circular-2.i [2019-09-17 05:47:31,756 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f59b40fb6/11bb79423e28437b94064bd1f92ec542/FLAGe4d836ee7 [2019-09-17 05:47:32,228 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 05:47:32,229 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-circular-2.i [2019-09-17 05:47:32,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f59b40fb6/11bb79423e28437b94064bd1f92ec542/FLAGe4d836ee7 [2019-09-17 05:47:32,574 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f59b40fb6/11bb79423e28437b94064bd1f92ec542 [2019-09-17 05:47:32,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 05:47:32,586 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 05:47:32,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 05:47:32,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 05:47:32,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 05:47:32,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 05:47:32" (1/1) ... [2019-09-17 05:47:32,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3775cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:47:32, skipping insertion in model container [2019-09-17 05:47:32,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 05:47:32" (1/1) ... [2019-09-17 05:47:32,604 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 05:47:32,660 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 05:47:33,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 05:47:33,193 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 05:47:33,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 05:47:33,298 INFO L192 MainTranslator]: Completed translation [2019-09-17 05:47:33,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:47:33 WrapperNode [2019-09-17 05:47:33,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 05:47:33,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 05:47:33,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 05:47:33,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 05:47:33,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:47:33" (1/1) ... [2019-09-17 05:47:33,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:47:33" (1/1) ... [2019-09-17 05:47:33,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:47:33" (1/1) ... [2019-09-17 05:47:33,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:47:33" (1/1) ... [2019-09-17 05:47:33,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:47:33" (1/1) ... [2019-09-17 05:47:33,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:47:33" (1/1) ... [2019-09-17 05:47:33,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:47:33" (1/1) ... [2019-09-17 05:47:33,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 05:47:33,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 05:47:33,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 05:47:33,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 05:47:33,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:47:33" (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 05:47:33,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 05:47:33,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 05:47:33,430 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 05:47:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-17 05:47:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-17 05:47:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-17 05:47:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-17 05:47:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-17 05:47:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-17 05:47:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-17 05:47:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-17 05:47:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-17 05:47:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-17 05:47:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-17 05:47:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-17 05:47:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-17 05:47:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-17 05:47:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-17 05:47:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-17 05:47:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-17 05:47:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-17 05:47:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-17 05:47:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-17 05:47:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-17 05:47:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-17 05:47:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-17 05:47:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-17 05:47:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-17 05:47:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-17 05:47:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-17 05:47:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-17 05:47:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-17 05:47:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-17 05:47:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-17 05:47:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-17 05:47:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-17 05:47:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-17 05:47:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-17 05:47:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-17 05:47:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-17 05:47:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-17 05:47:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-17 05:47:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-17 05:47:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-17 05:47:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-17 05:47:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-17 05:47:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-17 05:47:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-17 05:47:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-17 05:47:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-17 05:47:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-17 05:47:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-17 05:47:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-17 05:47:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 05:47:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-17 05:47:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-17 05:47:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 05:47:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-17 05:47:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-17 05:47:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-17 05:47:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-17 05:47:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-17 05:47:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-17 05:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-17 05:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-17 05:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-17 05:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-17 05:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-17 05:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-17 05:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-17 05:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-17 05:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-17 05:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-17 05:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-17 05:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-17 05:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-17 05:47:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-17 05:47:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-17 05:47:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-17 05:47:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-17 05:47:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-17 05:47:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-17 05:47:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-17 05:47:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-17 05:47:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-17 05:47:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-17 05:47:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-17 05:47:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-17 05:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-17 05:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-17 05:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-17 05:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-17 05:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-17 05:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-17 05:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-17 05:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-17 05:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-17 05:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-17 05:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-17 05:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-17 05:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-17 05:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-17 05:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-17 05:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-17 05:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-17 05:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-17 05:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 05:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 05:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 05:47:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 05:47:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 05:47:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 05:47:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 05:47:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 05:47:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 05:47:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 05:47:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 05:47:34,080 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 05:47:34,081 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-09-17 05:47:34,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 05:47:34 BoogieIcfgContainer [2019-09-17 05:47:34,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 05:47:34,083 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 05:47:34,083 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 05:47:34,083 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 05:47:34,085 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 05:47:34" (1/1) ... [2019-09-17 05:47:34,085 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-17 05:47:34,110 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-17 05:47:34,111 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 05:47:34,120 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 05:47:34,133 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 05:47:34,135 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 05:47:34,327 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-17 05:47:43,198 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 05:47:43,199 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 05:47:43,201 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 202#(and (= 0 main_~x~0.base) (= main_~x~0.offset 0) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) main_~state~0)) [2019-09-17 05:47:43,201 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 367#(and (= 0 main_~x~0.base) (= main_~x~0.offset 0) (or (exists ((v_prenex_55 Int) (v_main_~x~0.offset_32 Int) (v_prenex_54 Int) (v_main_~x~0.base_34 Int) (v_DerPreprocessor_2 Int) (v_DerPreprocessor_1 Int)) (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= 0 v_prenex_54)) (= (select (select |#memory_int| v_prenex_55) (+ v_prenex_54 8)) main_~state~0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (and (= 0 |#NULL.base|) (= 0 |main_#t~malloc0.offset|) (= |#length| (store |old(#length)| |main_#t~malloc0.base| 12)) (= 1 main_~state~0) (= (store |old(#memory_$Pointer$.offset)| main_~head~0.base (store (store (store (select |old(#memory_$Pointer$.offset)| main_~head~0.base) main_~head~0.offset main_~head~0.offset) (+ main_~head~0.offset 4) 0) (+ main_~head~0.offset 8) (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)))) |#memory_$Pointer$.offset|) (= 0 (select |old(#valid)| 0)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~head~0.base (store (store (store (select |old(#memory_$Pointer$.base)| main_~head~0.base) main_~head~0.offset main_~head~0.base) (+ main_~head~0.offset 4) 0) (+ main_~head~0.offset 8) (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc0.base| main_~head~0.base) (= main_~head~0.offset |main_#t~malloc0.offset|) (= |#memory_int| (store |old(#memory_int)| main_~head~0.base (store (store (store (select |old(#memory_int)| main_~head~0.base) main_~head~0.offset v_DerPreprocessor_1) (+ main_~head~0.offset 4) v_DerPreprocessor_2) (+ main_~head~0.offset 8) main_~state~0))) (= (select |old(#valid)| |main_#t~malloc0.base|) 0) (< |#StackHeapBarrier| |main_#t~malloc0.base|) (not (= |main_#t~malloc0.base| 0)) (= |#NULL.offset| 0) (= (store |old(#valid)| |main_#t~malloc0.base| 1) |#valid|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| v_main_~x~0.base_34) (+ v_main_~x~0.offset_32 8)) main_~state~0) (not (= 0 v_main_~x~0.base_34)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)))) (exists ((v_main_~x~0.offset_26 Int) (v_main_~x~0.base_28 Int)) (and (not (= 2 main_~state~0)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| v_main_~x~0.base_28) (+ v_main_~x~0.offset_26 8)) main_~state~0) (not (= 1 main_~state~0)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base))))) [2019-09-17 05:47:43,202 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 340#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) 0)) (< (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) [2019-09-17 05:47:43,229 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 05:47:43,230 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 05:47:43,234 INFO L168 Benchmark]: Toolchain (without parser) took 10646.03 ms. Allocated memory was 136.3 MB in the beginning and 276.3 MB in the end (delta: 140.0 MB). Free memory was 82.3 MB in the beginning and 153.6 MB in the end (delta: -71.2 MB). Peak memory consumption was 68.8 MB. Max. memory is 7.1 GB. [2019-09-17 05:47:43,238 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 136.3 MB. Free memory was 102.3 MB in the beginning and 102.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 05:47:43,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.71 ms. Allocated memory was 136.3 MB in the beginning and 198.7 MB in the end (delta: 62.4 MB). Free memory was 81.9 MB in the beginning and 163.6 MB in the end (delta: -81.7 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-09-17 05:47:43,239 INFO L168 Benchmark]: Boogie Preprocessor took 66.42 ms. Allocated memory is still 198.7 MB. Free memory was 163.6 MB in the beginning and 161.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-17 05:47:43,240 INFO L168 Benchmark]: RCFGBuilder took 716.59 ms. Allocated memory is still 198.7 MB. Free memory was 161.0 MB in the beginning and 113.8 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2019-09-17 05:47:43,246 INFO L168 Benchmark]: Sifa took 9147.17 ms. Allocated memory was 198.7 MB in the beginning and 276.3 MB in the end (delta: 77.6 MB). Free memory was 113.8 MB in the beginning and 153.6 MB in the end (delta: -39.7 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. [2019-09-17 05:47:43,254 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 136.3 MB. Free memory was 102.3 MB in the beginning and 102.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.71 ms. Allocated memory was 136.3 MB in the beginning and 198.7 MB in the end (delta: 62.4 MB). Free memory was 81.9 MB in the beginning and 163.6 MB in the end (delta: -81.7 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.42 ms. Allocated memory is still 198.7 MB. Free memory was 163.6 MB in the beginning and 161.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 716.59 ms. Allocated memory is still 198.7 MB. Free memory was 161.0 MB in the beginning and 113.8 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. * Sifa took 9147.17 ms. Allocated memory was 198.7 MB in the beginning and 276.3 MB in the end (delta: 77.6 MB). Free memory was 113.8 MB in the beginning and 153.6 MB in the end (delta: -39.7 MB). Peak memory consumption was 37.9 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]: 9093, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 228, DAG_INTERPRETER_EARLY_EXITS: 9, TOOLS_POST_APPLICATIONS: 186, TOOLS_POST_TIME[ms]: 6371, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 188, TOOLS_QUANTIFIERELIM_TIME[ms]: 6324, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 4785, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 246, FLUID_YES_ANSWERS: 4, DOMAIN_JOIN_APPLICATIONS: 82, DOMAIN_JOIN_TIME[ms]: 226, DOMAIN_ALPHA_APPLICATIONS: 4, DOMAIN_ALPHA_TIME[ms]: 2, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 2039, DOMAIN_ISBOTTOM_APPLICATIONS: 65, DOMAIN_ISBOTTOM_TIME[ms]: 257, LOOP_SUMMARIZER_APPLICATIONS: 18, LOOP_SUMMARIZER_CACHE_MISSES: 18, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7274, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7272, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 135, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 135, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 64, DAG_COMPRESSION_PROCESSED_NODES: 733, DAG_COMPRESSION_RETAINED_NODES: 266 - UnprovableResult [Line: 1015]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 202#(and (= 0 main_~x~0.base) (= main_~x~0.offset 0) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) main_~state~0)). Possible FailurePath: - UnprovableResult [Line: 1020]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 367#(and (= 0 main_~x~0.base) (= main_~x~0.offset 0) (or (exists ((v_prenex_55 Int) (v_main_~x~0.offset_32 Int) (v_prenex_54 Int) (v_main_~x~0.base_34 Int) (v_DerPreprocessor_2 Int) (v_DerPreprocessor_1 Int)) (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= 0 v_prenex_54)) (= (select (select |#memory_int| v_prenex_55) (+ v_prenex_54 8)) main_~state~0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (and (= 0 |#NULL.base|) (= 0 |main_#t~malloc0.offset|) (= |#length| (store |old(#length)| |main_#t~malloc0.base| 12)) (= 1 main_~state~0) (= (store |old(#memory_$Pointer$.offset)| main_~head~0.base (store (store (store (select |old(#memory_$Pointer$.offset)| main_~head~0.base) main_~head~0.offset main_~head~0.offset) (+ main_~head~0.offset 4) 0) (+ main_~head~0.offset 8) (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)))) |#memory_$Pointer$.offset|) (= 0 (select |old(#valid)| 0)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~head~0.base (store (store (store (select |old(#memory_$Pointer$.base)| main_~head~0.base) main_~head~0.offset main_~head~0.base) (+ main_~head~0.offset 4) 0) (+ main_~head~0.offset 8) (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc0.base| main_~head~0.base) (= main_~head~0.offset |main_#t~malloc0.offset|) (= |#memory_int| (store |old(#memory_int)| main_~head~0.base (store (store (store (select |old(#memory_int)| main_~head~0.base) main_~head~0.offset v_DerPreprocessor_1) (+ main_~head~0.offset 4) v_DerPreprocessor_2) (+ main_~head~0.offset 8) main_~state~0))) (= (select |old(#valid)| |main_#t~malloc0.base|) 0) (< |#StackHeapBarrier| |main_#t~malloc0.base|) (not (= |main_#t~malloc0.base| 0)) (= |#NULL.offset| 0) (= (store |old(#valid)| |main_#t~malloc0.base| 1) |#valid|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| v_main_~x~0.base_34) (+ v_main_~x~0.offset_32 8)) main_~state~0) (not (= 0 v_main_~x~0.base_34)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)))) (exists ((v_main_~x~0.offset_26 Int) (v_main_~x~0.base_28 Int)) (and (not (= 2 main_~state~0)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| v_main_~x~0.base_28) (+ v_main_~x~0.offset_26 8)) main_~state~0) (not (= 1 main_~state~0)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base))))). Possible FailurePath: - UnprovableResult [Line: 1024]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 340#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) 0)) (< (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...