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/sll-queue-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:28:46,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:28:46,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:28:46,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:28:46,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:28:46,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:28:46,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:28:46,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:28:46,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:28:46,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:28:46,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:28:46,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:28:46,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:28:46,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:28:46,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:28:46,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:28:46,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:28:46,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:28:46,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:28:46,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:28:46,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:28:46,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:28:46,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:28:46,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:28:46,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:28:46,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:28:46,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:28:46,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:28:46,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:28:46,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:28:46,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:28:46,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:28:46,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:28:46,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:28:46,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:28:46,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:28:46,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:28:46,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:28:46,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:28:46,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:28:46,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:28:46,589 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 [2019-09-21 08:28:46,604 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:28:46,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:28:46,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:28:46,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:28:46,605 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:28:46,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:28:46,606 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:28:46,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:28:46,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:28:46,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:28:46,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:28:46,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:28:46,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:28:46,607 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:28:46,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:28:46,608 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:28:46,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:28:46,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:28:46,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:28:46,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:28:46,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:28:46,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:28:46,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:28:46,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:28:46,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:28:46,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:28:46,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:28:46,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:28:46,610 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 [2019-09-21 08:28:46,641 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:28:46,653 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:28:46,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:28:46,661 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:28:46,661 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:28:46,662 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-queue-2.i [2019-09-21 08:28:46,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14319f7fb/403fba7b051e4711be41123ce8397772/FLAGd87dc44b1 [2019-09-21 08:28:47,246 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:28:47,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-queue-2.i [2019-09-21 08:28:47,269 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14319f7fb/403fba7b051e4711be41123ce8397772/FLAGd87dc44b1 [2019-09-21 08:28:47,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14319f7fb/403fba7b051e4711be41123ce8397772 [2019-09-21 08:28:47,550 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:28:47,551 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:28:47,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:28:47,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:28:47,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:28:47,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:28:47" (1/1) ... [2019-09-21 08:28:47,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c9a95ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:47, skipping insertion in model container [2019-09-21 08:28:47,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:28:47" (1/1) ... [2019-09-21 08:28:47,567 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:28:47,618 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:28:48,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:28:48,105 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:28:48,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:28:48,245 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:28:48,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:48 WrapperNode [2019-09-21 08:28:48,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:28:48,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:28:48,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:28:48,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:28:48,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:48" (1/1) ... [2019-09-21 08:28:48,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:48" (1/1) ... [2019-09-21 08:28:48,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:48" (1/1) ... [2019-09-21 08:28:48,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:48" (1/1) ... [2019-09-21 08:28:48,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:48" (1/1) ... [2019-09-21 08:28:48,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:48" (1/1) ... [2019-09-21 08:28:48,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:48" (1/1) ... [2019-09-21 08:28:48,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:28:48,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:28:48,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:28:48,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:28:48,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:48" (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 [2019-09-21 08:28:48,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:28:48,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:28:48,409 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:28:48,409 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-21 08:28:48,410 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-21 08:28:48,410 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-21 08:28:48,411 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-21 08:28:48,411 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-21 08:28:48,412 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-21 08:28:48,412 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-21 08:28:48,412 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-21 08:28:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-21 08:28:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-21 08:28:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-21 08:28:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-21 08:28:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-21 08:28:48,416 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-21 08:28:48,417 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-21 08:28:48,417 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-21 08:28:48,417 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-21 08:28:48,417 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-21 08:28:48,418 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-21 08:28:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-21 08:28:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-21 08:28:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-21 08:28:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-21 08:28:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-21 08:28:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-21 08:28:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-21 08:28:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-21 08:28:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-21 08:28:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-21 08:28:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-21 08:28:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-21 08:28:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-21 08:28:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-21 08:28:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-21 08:28:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-21 08:28:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-21 08:28:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-21 08:28:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-21 08:28:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-21 08:28:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-21 08:28:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-21 08:28:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-21 08:28:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-21 08:28:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-21 08:28:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-21 08:28:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-21 08:28:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-21 08:28:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-21 08:28:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-21 08:28:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-21 08:28:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:28:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-21 08:28:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-21 08:28:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:28:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-21 08:28:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-21 08:28:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-21 08:28:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-21 08:28:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-21 08:28:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-21 08:28:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-21 08:28:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-21 08:28:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-21 08:28:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-21 08:28:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-21 08:28:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-21 08:28:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-21 08:28:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-21 08:28:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-21 08:28:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-21 08:28:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-21 08:28:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-21 08:28:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-21 08:28:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-21 08:28:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-21 08:28:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-21 08:28:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-21 08:28:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-21 08:28:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-21 08:28:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-21 08:28:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-21 08:28:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-21 08:28:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-21 08:28:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-21 08:28:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-21 08:28:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-21 08:28:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-21 08:28:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-21 08:28:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-21 08:28:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-21 08:28:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-21 08:28:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-21 08:28:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-21 08:28:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-21 08:28:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-21 08:28:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-21 08:28:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-21 08:28:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-21 08:28:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-21 08:28:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-21 08:28:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-21 08:28:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-21 08:28:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-21 08:28:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:28:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:28:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:28:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:28:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:28:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:28:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:28:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:28:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:28:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:28:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:28:49,213 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:28:49,213 INFO L283 CfgBuilder]: Removed 31 assume(true) statements. [2019-09-21 08:28:49,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:28:49 BoogieIcfgContainer [2019-09-21 08:28:49,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:28:49,215 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:28:49,215 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:28:49,216 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:28:49,217 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:28:49" (1/1) ... [2019-09-21 08:28:49,218 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 [2019-09-21 08:28:49,246 INFO L162 IcfgInterpreter]: Started Sifa with 14 locations of interest [2019-09-21 08:28:49,247 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:28:49,260 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:28:49,274 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:28:49,276 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:28:49,463 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-21 08:29:03,020 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:29:03,020 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:29:03,023 INFO L193 IcfgInterpreter]: Reachable states at location mainErr7ASSERT_VIOLATIONERROR_FUNCTION satisfy 8896#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (= main_~status~0 2) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) [2019-09-21 08:29:03,024 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 86#(and (= 0 main_~head~0.offset) (= 0 main_~head~0.base)) [2019-09-21 08:29:03,024 INFO L193 IcfgInterpreter]: Reachable states at location mainErr8ASSERT_VIOLATIONERROR_FUNCTION satisfy 8975#(and (= 0 main_~head~0.offset) (= 0 main_~head~0.base) (= main_~status~0 3)) [2019-09-21 08:29:03,025 INFO L193 IcfgInterpreter]: Reachable states at location mainErr5ASSERT_VIOLATIONERROR_FUNCTION satisfy 7554#(and (= 0 main_~head~0.offset) (= main_~status~0 2) (= 0 main_~head~0.base)) [2019-09-21 08:29:03,026 INFO L193 IcfgInterpreter]: Reachable states at location mainErr12ASSERT_VIOLATIONERROR_FUNCTION satisfy 8479#(and (or (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))) (or (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 4)) 3) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= main_~status~0 3) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) [2019-09-21 08:29:03,027 INFO L193 IcfgInterpreter]: Reachable states at location mainErr13ASSERT_VIOLATIONERROR_FUNCTION satisfy 8866#(and (not (= main_~status~0 0)) (<= (select (select |#memory_int| main_~item~0.base) (+ main_~item~0.offset 4)) 0)) [2019-09-21 08:29:03,028 INFO L193 IcfgInterpreter]: Reachable states at location mainErr6ASSERT_VIOLATIONERROR_FUNCTION satisfy 7471#(and (= main_~status~0 2) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) [2019-09-21 08:29:03,029 INFO L193 IcfgInterpreter]: Reachable states at location mainErr11ASSERT_VIOLATIONERROR_FUNCTION satisfy 8608#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0) (or (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= main_~status~0 3) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) [2019-09-21 08:29:03,029 INFO L193 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 7567#false [2019-09-21 08:29:03,031 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 3730#(and (= 0 main_~item~0.offset) (= main_~item~0.base 0) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base)))) [2019-09-21 08:29:03,033 INFO L193 IcfgInterpreter]: Reachable states at location mainErr10ASSERT_VIOLATIONERROR_FUNCTION satisfy 8729#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (= main_~status~0 3) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) [2019-09-21 08:29:03,038 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 4295#(and (= 0 main_~head~0.offset) (exists ((v_DerPreprocessor_1 Int)) (or (and (not (= 0 main_~item~0.offset)) (not (= 0 main_~head~0.base))) (and (not (= 0 main_~head~0.offset)) (not (= main_~item~0.base 0))) (and (= (store |old(#memory_$Pointer$.offset)| main_~head~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~head~0.base) main_~head~0.offset 0) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 4)))) |#memory_$Pointer$.offset|) (= 0 |#NULL.base|) (= 0 |main_#t~malloc0.offset|) (= main_~head~0.offset main_~item~0.offset) (= main_~status~0 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~head~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~head~0.base) main_~head~0.offset 0) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 4))))) (= main_~item~0.base main_~head~0.base) (= 0 (select |old(#valid)| 0)) (= (store |old(#memory_int)| main_~head~0.base (store (store (select |old(#memory_int)| main_~head~0.base) main_~head~0.offset v_DerPreprocessor_1) (+ main_~head~0.offset 4) 0)) |#memory_int|) (= |main_#t~malloc0.base| main_~head~0.base) (= main_~head~0.offset |main_#t~malloc0.offset|) (= |#length| (store |old(#length)| |main_#t~malloc0.base| 8)) (= (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|)) (and (not (= main_~item~0.base 0)) (not (= 0 main_~head~0.base))) (and (not (= 0 main_~item~0.offset)) (not (= 0 main_~head~0.offset))))) (= 0 main_~head~0.base)) [2019-09-21 08:29:03,038 INFO L193 IcfgInterpreter]: Reachable states at location mainErr4ASSERT_VIOLATIONERROR_FUNCTION satisfy 7538#(exists ((v_DerPreprocessor_1 Int)) (or (and (not (= 0 main_~item~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (not (= 0 main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (not (= main_~item~0.base 0)) (not (= 0 main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= 0 main_~item~0.offset)) (not (= 0 main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (store |old(#memory_$Pointer$.offset)| main_~head~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~head~0.base) main_~head~0.offset 0) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 4)))) |#memory_$Pointer$.offset|) (= 0 |#NULL.base|) (= 0 |main_#t~malloc0.offset|) (= main_~head~0.offset main_~item~0.offset) (= main_~status~0 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~head~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~head~0.base) main_~head~0.offset 0) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 4))))) (= main_~item~0.base main_~head~0.base) (= 0 (select |old(#valid)| 0)) (= (store |old(#memory_int)| main_~head~0.base (store (store (select |old(#memory_int)| main_~head~0.base) main_~head~0.offset v_DerPreprocessor_1) (+ main_~head~0.offset 4) 0)) |#memory_int|) (= |main_#t~malloc0.base| main_~head~0.base) (= main_~head~0.offset |main_#t~malloc0.offset|) (= |#length| (store |old(#length)| |main_#t~malloc0.base| 8)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (= (select |old(#valid)| |main_#t~malloc0.base|) 0) (not (= 0 main_~head~0.base)) (< |#StackHeapBarrier| |main_#t~malloc0.base|) (not (= |main_#t~malloc0.base| 0)) (= |#NULL.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (store |old(#valid)| |main_#t~malloc0.base| 1) |#valid|)) (and (not (= 0 main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (not (= main_~item~0.base 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (store |old(#memory_$Pointer$.offset)| main_~head~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~head~0.base) main_~head~0.offset 0) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 4)))) |#memory_$Pointer$.offset|) (= 0 |#NULL.base|) (= 0 |main_#t~malloc0.offset|) (= main_~head~0.offset main_~item~0.offset) (= main_~status~0 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~head~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~head~0.base) main_~head~0.offset 0) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 4))))) (= main_~item~0.base main_~head~0.base) (= 0 (select |old(#valid)| 0)) (not (= 0 main_~head~0.offset)) (= (store |old(#memory_int)| main_~head~0.base (store (store (select |old(#memory_int)| main_~head~0.base) main_~head~0.offset v_DerPreprocessor_1) (+ main_~head~0.offset 4) 0)) |#memory_int|) (= |main_#t~malloc0.base| main_~head~0.base) (= main_~head~0.offset |main_#t~malloc0.offset|) (= |#length| (store |old(#length)| |main_#t~malloc0.base| 8)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (= (select |old(#valid)| |main_#t~malloc0.base|) 0) (< |#StackHeapBarrier| |main_#t~malloc0.base|) (not (= |main_#t~malloc0.base| 0)) (= |#NULL.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (store |old(#valid)| |main_#t~malloc0.base| 1) |#valid|)))) [2019-09-21 08:29:03,038 INFO L193 IcfgInterpreter]: Reachable states at location mainErr9ASSERT_VIOLATIONERROR_FUNCTION satisfy 8942#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= main_~status~0 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) [2019-09-21 08:29:03,072 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:29:03,072 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:29:03,074 INFO L168 Benchmark]: Toolchain (without parser) took 15522.60 ms. Allocated memory was 134.2 MB in the beginning and 468.7 MB in the end (delta: 334.5 MB). Free memory was 88.6 MB in the beginning and 337.0 MB in the end (delta: -248.4 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:29:03,076 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 134.2 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:29:03,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.29 ms. Allocated memory was 134.2 MB in the beginning and 199.2 MB in the end (delta: 65.0 MB). Free memory was 88.4 MB in the beginning and 162.3 MB in the end (delta: -73.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:29:03,078 INFO L168 Benchmark]: Boogie Preprocessor took 95.68 ms. Allocated memory is still 199.2 MB. Free memory was 162.3 MB in the beginning and 159.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-21 08:29:03,080 INFO L168 Benchmark]: RCFGBuilder took 871.51 ms. Allocated memory is still 199.2 MB. Free memory was 159.3 MB in the beginning and 94.7 MB in the end (delta: 64.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 7.1 GB. [2019-09-21 08:29:03,083 INFO L168 Benchmark]: Sifa took 13857.17 ms. Allocated memory was 199.2 MB in the beginning and 468.7 MB in the end (delta: 269.5 MB). Free memory was 94.7 MB in the beginning and 337.0 MB in the end (delta: -242.3 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-21 08:29:03,089 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 134.2 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 694.29 ms. Allocated memory was 134.2 MB in the beginning and 199.2 MB in the end (delta: 65.0 MB). Free memory was 88.4 MB in the beginning and 162.3 MB in the end (delta: -73.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.68 ms. Allocated memory is still 199.2 MB. Free memory was 162.3 MB in the beginning and 159.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 871.51 ms. Allocated memory is still 199.2 MB. Free memory was 159.3 MB in the beginning and 94.7 MB in the end (delta: 64.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 7.1 GB. * Sifa took 13857.17 ms. Allocated memory was 199.2 MB in the beginning and 468.7 MB in the end (delta: 269.5 MB). Free memory was 94.7 MB in the beginning and 337.0 MB in the end (delta: -242.3 MB). Peak memory consumption was 27.2 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]: 13792, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 6645, DAG_INTERPRETER_EARLY_EXITS: 728, TOOLS_POST_APPLICATIONS: 5385, TOOLS_POST_TIME[ms]: 4867, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 23, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 5131, TOOLS_QUANTIFIERELIM_TIME[ms]: 4486, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 3089, FLUID_QUERY_TIME[ms]: 59, FLUID_QUERIES: 7432, FLUID_YES_ANSWERS: 143, DOMAIN_JOIN_APPLICATIONS: 1696, DOMAIN_JOIN_TIME[ms]: 1812, DOMAIN_ALPHA_APPLICATIONS: 143, DOMAIN_ALPHA_TIME[ms]: 44, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 8, DOMAIN_ISSUBSETEQ_APPLICATIONS: 787, DOMAIN_ISSUBSETEQ_TIME[ms]: 2375, DOMAIN_ISBOTTOM_APPLICATIONS: 1909, DOMAIN_ISBOTTOM_TIME[ms]: 3443, LOOP_SUMMARIZER_APPLICATIONS: 784, LOOP_SUMMARIZER_CACHE_MISSES: 784, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9936, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9925, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 787, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 125, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 125, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 12, REGEX_TO_DAG_TIME[ms]: 48, DAG_COMPRESSION_TIME[ms]: 660, DAG_COMPRESSION_PROCESSED_NODES: 44291, DAG_COMPRESSION_RETAINED_NODES: 15204 - UnprovableResult [Line: 1027]: 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 8896#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (= main_~status~0 2) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))). Possible FailurePath: - UnprovableResult [Line: 1013]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 86#(and (= 0 main_~head~0.offset) (= 0 main_~head~0.base)). Possible FailurePath: - UnprovableResult [Line: 1031]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 8975#(and (= 0 main_~head~0.offset) (= 0 main_~head~0.base) (= main_~status~0 3)). Possible FailurePath: - UnprovableResult [Line: 1025]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 7554#(and (= 0 main_~head~0.offset) (= main_~status~0 2) (= 0 main_~head~0.base)). Possible FailurePath: - UnprovableResult [Line: 1035]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 8479#(and (or (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))) (or (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 4)) 3) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= main_~status~0 3) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))). Possible FailurePath: - UnprovableResult [Line: 1042]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 8866#(and (not (= main_~status~0 0)) (<= (select (select |#memory_int| main_~item~0.base) (+ main_~item~0.offset 4)) 0)). Possible FailurePath: - UnprovableResult [Line: 1026]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 7471#(and (= main_~status~0 2) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))). Possible FailurePath: - UnprovableResult [Line: 1034]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 8608#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0) (or (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= main_~status~0 3) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))). Possible FailurePath: - PositiveResult [Line: 1020]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 1014]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 3730#(and (= 0 main_~item~0.offset) (= main_~item~0.base 0) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base)))). Possible FailurePath: - UnprovableResult [Line: 1033]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 8729#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (= main_~status~0 3) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))). Possible FailurePath: - PositiveResult [Line: 1017]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 1021]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 7538#(exists ((v_DerPreprocessor_1 Int)) (or (and (not (= 0 main_~item~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (not (= 0 main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (not (= main_~item~0.base 0)) (not (= 0 main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= 0 main_~item~0.offset)) (not (= 0 main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (store |old(#memory_$Pointer$.offset)| main_~head~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~head~0.base) main_~head~0.offset 0) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 4)))) |#memory_$Pointer$.offset|) (= 0 |#NULL.base|) (= 0 |main_#t~malloc0.offset|) (= main_~head~0.offset main_~item~0.offset) (= main_~status~0 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~head~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~head~0.base) main_~head~0.offset 0) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 4))))) (= main_~item~0.base main_~head~0.base) (= 0 (select |old(#valid)| 0)) (= (store |old(#memory_int)| main_~head~0.base (store (store (select |old(#memory_int)| main_~head~0.base) main_~head~0.offset v_DerPreprocessor_1) (+ main_~head~0.offset 4) 0)) |#memory_int|) (= |main_#t~malloc0.base| main_~head~0.base) (= main_~head~0.offset |main_#t~malloc0.offset|) (= |#length| (store |old(#length)| |main_#t~malloc0.base| 8)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (= (select |old(#valid)| |main_#t~malloc0.base|) 0) (not (= 0 main_~head~0.base)) (< |#StackHeapBarrier| |main_#t~malloc0.base|) (not (= |main_#t~malloc0.base| 0)) (= |#NULL.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (store |old(#valid)| |main_#t~malloc0.base| 1) |#valid|)) (and (not (= 0 main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (not (= main_~item~0.base 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (store |old(#memory_$Pointer$.offset)| main_~head~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~head~0.base) main_~head~0.offset 0) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 4)))) |#memory_$Pointer$.offset|) (= 0 |#NULL.base|) (= 0 |main_#t~malloc0.offset|) (= main_~head~0.offset main_~item~0.offset) (= main_~status~0 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~head~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~head~0.base) main_~head~0.offset 0) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 4))))) (= main_~item~0.base main_~head~0.base) (= 0 (select |old(#valid)| 0)) (not (= 0 main_~head~0.offset)) (= (store |old(#memory_int)| main_~head~0.base (store (store (select |old(#memory_int)| main_~head~0.base) main_~head~0.offset v_DerPreprocessor_1) (+ main_~head~0.offset 4) 0)) |#memory_int|) (= |main_#t~malloc0.base| main_~head~0.base) (= main_~head~0.offset |main_#t~malloc0.offset|) (= |#length| (store |old(#length)| |main_#t~malloc0.base| 8)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (= (select |old(#valid)| |main_#t~malloc0.base|) 0) (< |#StackHeapBarrier| |main_#t~malloc0.base|) (not (= |main_#t~malloc0.base| 0)) (= |#NULL.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (store |old(#valid)| |main_#t~malloc0.base| 1) |#valid|)))). Possible FailurePath: - UnprovableResult [Line: 1032]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 8942#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= main_~status~0 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...