java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/forester-heap/sll-queue-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:54:25,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:54:25,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:54:25,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:54:25,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:54:25,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:54:25,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:54:25,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:54:25,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:54:25,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:54:25,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:54:25,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:54:25,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:54:25,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:54:25,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:54:25,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:54:25,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:54:25,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:54:25,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:54:25,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:54:25,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:54:25,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:54:25,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:54:25,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:54:25,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:54:25,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:54:25,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:54:25,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:54:25,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:54:25,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:54:25,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:54:25,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:54:25,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:54:25,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:54:25,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:54:25,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:54:25,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:54:25,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:54:25,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:54:25,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:54:25,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:54:25,614 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 09:54:25,633 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:54:25,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:54:25,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:54:25,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:54:25,636 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:54:25,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:54:25,636 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:54:25,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:54:25,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:54:25,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:54:25,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:54:25,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:54:25,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:54:25,637 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:54:25,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:54:25,638 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:54:25,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:54:25,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:54:25,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:54:25,639 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:54:25,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:54:25,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:54:25,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:54:25,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:54:25,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:54:25,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:54:25,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:54:25,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:54:25,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:54:25,679 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:54:25,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:54:25,693 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:54:25,695 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:54:25,700 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:54:25,701 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-queue-1.i [2019-09-21 09:54:25,787 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9043454bb/3173da6dbb9d4f468e5d947d9a998363/FLAG04b676132 [2019-09-21 09:54:26,338 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:54:26,339 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-queue-1.i [2019-09-21 09:54:26,353 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9043454bb/3173da6dbb9d4f468e5d947d9a998363/FLAG04b676132 [2019-09-21 09:54:26,675 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9043454bb/3173da6dbb9d4f468e5d947d9a998363 [2019-09-21 09:54:26,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:54:26,685 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:54:26,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:54:26,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:54:26,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:54:26,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:54:26" (1/1) ... [2019-09-21 09:54:26,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a817678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:26, skipping insertion in model container [2019-09-21 09:54:26,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:54:26" (1/1) ... [2019-09-21 09:54:26,701 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:54:26,755 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:54:27,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:54:27,222 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:54:27,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:54:27,340 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:54:27,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:27 WrapperNode [2019-09-21 09:54:27,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:54:27,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:54:27,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:54:27,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:54:27,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:27" (1/1) ... [2019-09-21 09:54:27,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:27" (1/1) ... [2019-09-21 09:54:27,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:27" (1/1) ... [2019-09-21 09:54:27,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:27" (1/1) ... [2019-09-21 09:54:27,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:27" (1/1) ... [2019-09-21 09:54:27,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:27" (1/1) ... [2019-09-21 09:54:27,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:27" (1/1) ... [2019-09-21 09:54:27,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:54:27,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:54:27,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:54:27,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:54:27,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:27" (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 09:54:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:54:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:54:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:54:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-21 09:54:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-21 09:54:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-21 09:54:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-21 09:54:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-21 09:54:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-21 09:54:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-21 09:54:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-21 09:54:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-21 09:54:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-21 09:54:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-21 09:54:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-21 09:54:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-21 09:54:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-21 09:54:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-21 09:54:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-21 09:54:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-21 09:54:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-21 09:54:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-21 09:54:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-21 09:54:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-21 09:54:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-21 09:54:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-21 09:54:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-21 09:54:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-21 09:54:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-21 09:54:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-21 09:54:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-21 09:54:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-21 09:54:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-21 09:54:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-21 09:54:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-21 09:54:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-21 09:54:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-21 09:54:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-21 09:54:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-21 09:54:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-21 09:54:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-21 09:54:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-21 09:54:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-21 09:54:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-21 09:54:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-21 09:54:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-21 09:54:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-21 09:54:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-21 09:54:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-21 09:54:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-21 09:54:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-21 09:54:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-21 09:54:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-21 09:54:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:54:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-21 09:54:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-21 09:54:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:54:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-21 09:54:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-21 09:54:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-21 09:54:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-21 09:54:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-21 09:54:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-21 09:54:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-21 09:54:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-21 09:54:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-21 09:54:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-21 09:54:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-21 09:54:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-21 09:54:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-21 09:54:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-21 09:54:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-21 09:54:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-21 09:54:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-21 09:54:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-21 09:54:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-21 09:54:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-21 09:54:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-21 09:54:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-21 09:54:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-21 09:54:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-21 09:54:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-21 09:54:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-21 09:54:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-21 09:54:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-21 09:54:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-21 09:54:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-21 09:54:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-21 09:54:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-21 09:54:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-21 09:54:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-21 09:54:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-21 09:54:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-21 09:54:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-21 09:54:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-21 09:54:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-21 09:54:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-21 09:54:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-21 09:54:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-21 09:54:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-21 09:54:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-21 09:54:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-21 09:54:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-21 09:54:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-21 09:54:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-21 09:54:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-21 09:54:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:54:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:54:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:54:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:54:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:54:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:54:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:54:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:54:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:54:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:54:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:54:28,217 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:54:28,218 INFO L283 CfgBuilder]: Removed 31 assume(true) statements. [2019-09-21 09:54:28,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:54:28 BoogieIcfgContainer [2019-09-21 09:54:28,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:54:28,220 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:54:28,220 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:54:28,220 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:54:28,222 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:54:28" (1/1) ... [2019-09-21 09:54:28,222 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:54:28,249 INFO L162 IcfgInterpreter]: Started Sifa with 14 locations of interest [2019-09-21 09:54:28,249 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:54:28,261 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:54:28,272 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:54:28,274 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:54:28,468 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-09-21 09:54:48,250 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:54:48,251 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:54:48,259 INFO L193 IcfgInterpreter]: Reachable states at location mainErr7ASSERT_VIOLATIONERROR_FUNCTION satisfy 12691#(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) (<= 2 main_~status~0) (= main_~status~0 2) (<= 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 09:54:48,260 INFO L193 IcfgInterpreter]: Reachable states at location mainErr4ASSERT_VIOLATIONERROR_FUNCTION satisfy 10678#(exists ((v_DerPreprocessor_1 Int)) (or (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) (<= main_~status~0 1) (<= 1 main_~status~0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (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) (<= main_~status~0 1) (not (= 0 main_~head~0.base)) (<= 1 main_~status~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|) (<= 0 |#NULL.base|) (= |#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))))) (<= 0 |#NULL.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) (= |#length| (store |old(#length)| |main_#t~malloc0.base| 8)) (= main_~status~0 1) (< |#StackHeapBarrier| |main_#t~malloc0.base|) (not (= 0 main_~head~0.base)) (not (= |main_#t~malloc0.base| 0)) (<= 1 main_~status~0) (= (store |old(#valid)| |main_#t~malloc0.base| 1) |#valid|) (<= |#NULL.base| 0) (= main_~head~0.offset main_~item~0.offset) (= main_~status~0 0) (= main_~item~0.base main_~head~0.base) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~head~0.offset |main_#t~malloc0.offset|) (= (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) (= |#NULL.offset| 0) (= 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)) (<= main_~status~0 1) (not (= 0 main_~head~0.base)) (<= 1 main_~status~0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (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)) (<= main_~status~0 1) (<= 1 main_~status~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|) (<= 0 |#NULL.base|) (= |#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))))) (<= 0 |#NULL.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) (= |#length| (store |old(#length)| |main_#t~malloc0.base| 8)) (= main_~status~0 1) (< |#StackHeapBarrier| |main_#t~malloc0.base|) (not (= |main_#t~malloc0.base| 0)) (<= 1 main_~status~0) (= (store |old(#valid)| |main_#t~malloc0.base| 1) |#valid|) (<= |#NULL.base| 0) (= main_~head~0.offset main_~item~0.offset) (= main_~status~0 0) (= main_~item~0.base main_~head~0.base) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (not (= 0 main_~head~0.offset)) (= main_~head~0.offset |main_#t~malloc0.offset|) (= (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) (= |#NULL.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) [2019-09-21 09:54:48,260 INFO L193 IcfgInterpreter]: Reachable states at location mainErr12ASSERT_VIOLATIONERROR_FUNCTION satisfy 12107#(and (<= 3 main_~status~0) (<= main_~status~0 3) (not (= (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))) [2019-09-21 09:54:48,261 INFO L193 IcfgInterpreter]: Reachable states at location mainErr8ASSERT_VIOLATIONERROR_FUNCTION satisfy 12802#(and (= 0 main_~head~0.offset) (<= 0 main_~head~0.base) (not (= main_~status~0 2)) (= 0 main_~head~0.base) (<= 3 main_~status~0) (<= main_~status~0 3) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset) (= main_~status~0 3)) [2019-09-21 09:54:48,261 INFO L193 IcfgInterpreter]: Reachable states at location mainErr9ASSERT_VIOLATIONERROR_FUNCTION satisfy 12756#(and (not (= 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))) (<= 3 main_~status~0) (<= main_~status~0 3) (= main_~status~0 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) [2019-09-21 09:54:48,262 INFO L193 IcfgInterpreter]: Reachable states at location mainErr5ASSERT_VIOLATIONERROR_FUNCTION satisfy 10702#(and (= 0 main_~head~0.offset) (<= 0 main_~head~0.base) (<= 2 main_~status~0) (= main_~status~0 2) (<= main_~status~0 2) (= 0 main_~head~0.base) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset)) [2019-09-21 09:54:48,262 INFO L193 IcfgInterpreter]: Reachable states at location mainErr6ASSERT_VIOLATIONERROR_FUNCTION satisfy 10577#(and (<= 2 main_~status~0) (= main_~status~0 2) (<= 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 09:54:48,263 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 5010#(and (<= 0 main_~item~0.base) (= 0 main_~item~0.offset) (<= main_~item~0.base 0) (= main_~item~0.base 0) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (<= 0 main_~item~0.offset) (<= main_~item~0.offset 0)) [2019-09-21 09:54:48,264 INFO L193 IcfgInterpreter]: Reachable states at location mainErr10ASSERT_VIOLATIONERROR_FUNCTION satisfy 12452#(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) (not (= main_~status~0 2)) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (<= 3 main_~status~0) (<= main_~status~0 3) (= (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 09:54:48,265 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 5809#(and (= 0 main_~head~0.offset) (<= 0 main_~head~0.base) (= 0 main_~head~0.base) (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|) (<= |#NULL.base| 0) (= 0 |main_#t~malloc0.offset|) (= main_~head~0.offset main_~item~0.offset) (= main_~status~0 0) (<= 0 |#NULL.base|) (= |#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 |#NULL.offset|) (<= |#NULL.offset| 0) (= 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))))) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset)) [2019-09-21 09:54:48,273 INFO L193 IcfgInterpreter]: Reachable states at location mainErr11ASSERT_VIOLATIONERROR_FUNCTION satisfy 12283#(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))) (<= 3 main_~status~0) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (<= main_~status~0 3) (or (not (= main_~status~0 2)) (and (<= 2 main_~status~0) (<= main_~status~0 2))) (= 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 09:54:48,273 INFO L193 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 10721#false [2019-09-21 09:54:48,274 INFO L193 IcfgInterpreter]: Reachable states at location mainErr13ASSERT_VIOLATIONERROR_FUNCTION satisfy 12601#(and (not (= main_~status~0 0)) (<= (select (select |#memory_int| main_~item~0.base) (+ main_~item~0.offset 4)) 0)) [2019-09-21 09:54:48,275 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 128#(and (= 0 main_~head~0.offset) (<= 0 main_~head~0.base) (= 0 main_~head~0.base) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset)) [2019-09-21 09:54:48,308 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:54:48,308 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:54:48,310 INFO L168 Benchmark]: Toolchain (without parser) took 21625.07 ms. Allocated memory was 132.1 MB in the beginning and 493.4 MB in the end (delta: 361.2 MB). Free memory was 86.4 MB in the beginning and 85.4 MB in the end (delta: 999.3 kB). Peak memory consumption was 362.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:54:48,311 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.1 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 09:54:48,312 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.71 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 86.4 MB in the beginning and 162.1 MB in the end (delta: -75.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:54:48,313 INFO L168 Benchmark]: Boogie Preprocessor took 67.96 ms. Allocated memory is still 198.7 MB. Free memory was 162.1 MB in the beginning and 159.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-09-21 09:54:48,315 INFO L168 Benchmark]: RCFGBuilder took 808.71 ms. Allocated memory is still 198.7 MB. Free memory was 158.4 MB in the beginning and 94.5 MB in the end (delta: 63.9 MB). Peak memory consumption was 63.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:54:48,316 INFO L168 Benchmark]: Sifa took 20088.60 ms. Allocated memory was 198.7 MB in the beginning and 493.4 MB in the end (delta: 294.6 MB). Free memory was 94.5 MB in the beginning and 85.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 303.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:54:48,323 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 132.1 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 655.71 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 86.4 MB in the beginning and 162.1 MB in the end (delta: -75.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.96 ms. Allocated memory is still 198.7 MB. Free memory was 162.1 MB in the beginning and 159.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 808.71 ms. Allocated memory is still 198.7 MB. Free memory was 158.4 MB in the beginning and 94.5 MB in the end (delta: 63.9 MB). Peak memory consumption was 63.9 MB. Max. memory is 7.1 GB. * Sifa took 20088.60 ms. Allocated memory was 198.7 MB in the beginning and 493.4 MB in the end (delta: 294.6 MB). Free memory was 94.5 MB in the beginning and 85.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 303.7 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]: 20027, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 6645, DAG_INTERPRETER_EARLY_EXITS: 728, TOOLS_POST_APPLICATIONS: 5385, TOOLS_POST_TIME[ms]: 7315, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 25, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 5131, TOOLS_QUANTIFIERELIM_TIME[ms]: 6950, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 5644, FLUID_QUERY_TIME[ms]: 58, FLUID_QUERIES: 7432, FLUID_YES_ANSWERS: 148, DOMAIN_JOIN_APPLICATIONS: 1696, DOMAIN_JOIN_TIME[ms]: 3630, DOMAIN_ALPHA_APPLICATIONS: 148, DOMAIN_ALPHA_TIME[ms]: 102, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 14, DOMAIN_ISSUBSETEQ_APPLICATIONS: 787, DOMAIN_ISSUBSETEQ_TIME[ms]: 4324, DOMAIN_ISBOTTOM_APPLICATIONS: 1909, DOMAIN_ISBOTTOM_TIME[ms]: 3393, LOOP_SUMMARIZER_APPLICATIONS: 784, LOOP_SUMMARIZER_CACHE_MISSES: 784, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 15079, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 15069, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 787, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 137, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 137, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 12, REGEX_TO_DAG_TIME[ms]: 20, DAG_COMPRESSION_TIME[ms]: 659, DAG_COMPRESSION_PROCESSED_NODES: 44289, 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 12691#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (<= 2 main_~status~0) (= main_~status~0 2) (<= main_~status~0 2) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= (select (select |#memory_$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$.offset| main_~head~0.base) main_~head~0.offset))))). Possible FailurePath: - UnprovableResult [Line: 1021]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 10678#(exists ((v_DerPreprocessor_1 Int)) (or (and (not (= 0 main_~item~0.offset)) (not (= 0 main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (<= main_~status~0 1) (<= 1 main_~status~0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= 0 main_~item~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (<= main_~status~0 1) (not (= 0 main_~head~0.base)) (<= 1 main_~status~0) (= 0 (select (select |#memory_$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$.offset|) (= 0 |#NULL.base|) (= 0 |main_#t~malloc0.offset|) (<= 0 |#NULL.base|) (= |#memory_$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$.base| main_~head~0.base) (+ main_~head~0.offset 4))))) (<= 0 |#NULL.offset|) (= (store |old(#memory_int)| main_~head~0.base (store (store (select |old(#memory_int)| main_~head~0.base) main_~head~0.offset v_DerPreprocessor_1) (+ main_~head~0.offset 4) 0)) |#memory_int|) (= |main_#t~malloc0.base| main_~head~0.base) (= |#length| (store |old(#length)| |main_#t~malloc0.base| 8)) (= main_~status~0 1) (< |#StackHeapBarrier| |main_#t~malloc0.base|) (not (= 0 main_~head~0.base)) (not (= |main_#t~malloc0.base| 0)) (<= 1 main_~status~0) (= (store |old(#valid)| |main_#t~malloc0.base| 1) |#valid|) (<= |#NULL.base| 0) (= main_~head~0.offset main_~item~0.offset) (= main_~status~0 0) (= main_~item~0.base main_~head~0.base) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~head~0.offset |main_#t~malloc0.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (<= main_~status~0 1) (= (select |old(#valid)| |main_#t~malloc0.base|) 0) (= |#NULL.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (not (= main_~item~0.base 0)) (<= main_~status~0 1) (not (= 0 main_~head~0.base)) (<= 1 main_~status~0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= 0 main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (not (= main_~item~0.base 0)) (<= main_~status~0 1) (<= 1 main_~status~0) (= 0 (select (select |#memory_$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$.offset|) (= 0 |#NULL.base|) (= 0 |main_#t~malloc0.offset|) (<= 0 |#NULL.base|) (= |#memory_$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$.base| main_~head~0.base) (+ main_~head~0.offset 4))))) (<= 0 |#NULL.offset|) (= (store |old(#memory_int)| main_~head~0.base (store (store (select |old(#memory_int)| main_~head~0.base) main_~head~0.offset v_DerPreprocessor_1) (+ main_~head~0.offset 4) 0)) |#memory_int|) (= |main_#t~malloc0.base| main_~head~0.base) (= |#length| (store |old(#length)| |main_#t~malloc0.base| 8)) (= main_~status~0 1) (< |#StackHeapBarrier| |main_#t~malloc0.base|) (not (= |main_#t~malloc0.base| 0)) (<= 1 main_~status~0) (= (store |old(#valid)| |main_#t~malloc0.base| 1) |#valid|) (<= |#NULL.base| 0) (= main_~head~0.offset main_~item~0.offset) (= main_~status~0 0) (= main_~item~0.base main_~head~0.base) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (not (= 0 main_~head~0.offset)) (= main_~head~0.offset |main_#t~malloc0.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (<= main_~status~0 1) (= (select |old(#valid)| |main_#t~malloc0.base|) 0) (= |#NULL.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))). Possible FailurePath: - UnprovableResult [Line: 1035]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 12107#(and (<= 3 main_~status~0) (<= main_~status~0 3) (not (= (select (select |#memory_int| (select (select |#memory_$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$.offset| main_~head~0.base) main_~head~0.offset))) 4)) 3))). Possible FailurePath: - UnprovableResult [Line: 1031]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 12802#(and (= 0 main_~head~0.offset) (<= 0 main_~head~0.base) (not (= main_~status~0 2)) (= 0 main_~head~0.base) (<= 3 main_~status~0) (<= main_~status~0 3) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset) (= main_~status~0 3)). Possible FailurePath: - UnprovableResult [Line: 1032]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 12756#(and (not (= main_~status~0 2)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (<= 3 main_~status~0) (<= main_~status~0 3) (= main_~status~0 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))). Possible FailurePath: - UnprovableResult [Line: 1025]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 10702#(and (= 0 main_~head~0.offset) (<= 0 main_~head~0.base) (<= 2 main_~status~0) (= main_~status~0 2) (<= main_~status~0 2) (= 0 main_~head~0.base) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset)). Possible FailurePath: - UnprovableResult [Line: 1026]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 10577#(and (<= 2 main_~status~0) (= main_~status~0 2) (<= main_~status~0 2) (= (select (select |#memory_$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$.offset| main_~head~0.base) main_~head~0.offset))). Possible FailurePath: - UnprovableResult [Line: 1014]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 5010#(and (<= 0 main_~item~0.base) (= 0 main_~item~0.offset) (<= main_~item~0.base 0) (= main_~item~0.base 0) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (<= 0 main_~item~0.offset) (<= main_~item~0.offset 0)). Possible FailurePath: - UnprovableResult [Line: 1033]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 12452#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (not (= main_~status~0 2)) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (<= 3 main_~status~0) (<= main_~status~0 3) (= (select (select |#memory_$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$.offset| main_~head~0.base) main_~head~0.offset))))). Possible FailurePath: - PositiveResult [Line: 1017]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 1034]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 12283#(and (= (select (select |#memory_$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$.offset| main_~head~0.base) main_~head~0.offset)) 0))) (<= 3 main_~status~0) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (<= main_~status~0 3) (or (not (= main_~status~0 2)) (and (<= 2 main_~status~0) (<= main_~status~0 2))) (= main_~status~0 3) (= 0 (select (select |#memory_$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: 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 12601#(and (not (= main_~status~0 0)) (<= (select (select |#memory_int| main_~item~0.base) (+ main_~item~0.offset 4)) 0)). 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 128#(and (= 0 main_~head~0.offset) (<= 0 main_~head~0.base) (= 0 main_~head~0.base) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...