java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 13:10:33,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 13:10:33,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 13:10:34,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 13:10:34,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 13:10:34,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 13:10:34,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 13:10:34,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 13:10:34,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 13:10:34,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 13:10:34,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 13:10:34,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 13:10:34,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 13:10:34,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 13:10:34,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 13:10:34,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 13:10:34,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 13:10:34,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 13:10:34,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 13:10:34,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 13:10:34,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 13:10:34,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 13:10:34,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 13:10:34,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 13:10:34,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 13:10:34,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 13:10:34,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 13:10:34,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 13:10:34,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 13:10:34,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 13:10:34,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 13:10:34,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 13:10:34,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 13:10:34,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 13:10:34,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 13:10:34,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 13:10:34,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 13:10:34,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 13:10:34,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 13:10:34,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 13:10:34,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 13:10:34,073 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 [2019-10-07 13:10:34,103 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 13:10:34,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 13:10:34,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 13:10:34,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 13:10:34,105 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 13:10:34,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 13:10:34,105 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 13:10:34,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 13:10:34,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 13:10:34,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 13:10:34,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 13:10:34,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 13:10:34,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 13:10:34,107 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 13:10:34,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 13:10:34,107 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 13:10:34,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 13:10:34,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 13:10:34,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 13:10:34,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 13:10:34,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 13:10:34,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 13:10:34,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 13:10:34,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 13:10:34,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 13:10:34,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 13:10:34,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 13:10:34,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 13:10:34,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 13:10:34,394 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 13:10:34,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 13:10:34,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 13:10:34,413 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 13:10:34,413 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 13:10:34,414 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-10-07 13:10:34,479 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aca07eb88/31138e64b35c43f6865b93b7d8983ae4/FLAGc53b7caf3 [2019-10-07 13:10:35,089 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 13:10:35,090 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-10-07 13:10:35,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aca07eb88/31138e64b35c43f6865b93b7d8983ae4/FLAGc53b7caf3 [2019-10-07 13:10:35,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aca07eb88/31138e64b35c43f6865b93b7d8983ae4 [2019-10-07 13:10:35,355 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 13:10:35,357 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 13:10:35,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 13:10:35,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 13:10:35,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 13:10:35,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:10:35" (1/1) ... [2019-10-07 13:10:35,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a171c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:10:35, skipping insertion in model container [2019-10-07 13:10:35,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:10:35" (1/1) ... [2019-10-07 13:10:35,372 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 13:10:35,418 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 13:10:35,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:10:35,893 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 13:10:35,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:10:36,009 INFO L192 MainTranslator]: Completed translation [2019-10-07 13:10:36,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:10:36 WrapperNode [2019-10-07 13:10:36,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 13:10:36,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 13:10:36,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 13:10:36,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 13:10:36,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:10:36" (1/1) ... [2019-10-07 13:10:36,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:10:36" (1/1) ... [2019-10-07 13:10:36,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:10:36" (1/1) ... [2019-10-07 13:10:36,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:10:36" (1/1) ... [2019-10-07 13:10:36,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:10:36" (1/1) ... [2019-10-07 13:10:36,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:10:36" (1/1) ... [2019-10-07 13:10:36,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:10:36" (1/1) ... [2019-10-07 13:10:36,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 13:10:36,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 13:10:36,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 13:10:36,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 13:10:36,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:10:36" (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 [2019-10-07 13:10:36,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 13:10:36,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 13:10:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-07 13:10:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-07 13:10:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-07 13:10:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die [2019-10-07 13:10:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sl_with_head_and_tail [2019-10-07 13:10:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_random_insert [2019-10-07 13:10:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_sl [2019-10-07 13:10:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 13:10:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 13:10:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 13:10:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-07 13:10:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-07 13:10:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-07 13:10:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-07 13:10:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-07 13:10:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-07 13:10:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-07 13:10:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-07 13:10:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-07 13:10:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-07 13:10:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-07 13:10:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-07 13:10:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-07 13:10:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-07 13:10:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-07 13:10:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-07 13:10:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-07 13:10:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-07 13:10:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-07 13:10:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-07 13:10:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-07 13:10:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-07 13:10:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-07 13:10:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-07 13:10:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-07 13:10:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-07 13:10:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-07 13:10:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-07 13:10:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-07 13:10:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-07 13:10:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-07 13:10:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-07 13:10:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-07 13:10:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-07 13:10:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-07 13:10:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-07 13:10:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-07 13:10:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-07 13:10:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-07 13:10:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-07 13:10:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-07 13:10:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-07 13:10:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-07 13:10:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-07 13:10:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-07 13:10:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-07 13:10:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-07 13:10:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-07 13:10:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-07 13:10:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-07 13:10:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-07 13:10:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-07 13:10:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 13:10:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 13:10:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-07 13:10:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 13:10:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-07 13:10:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-07 13:10:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-07 13:10:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-07 13:10:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-07 13:10:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-07 13:10:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-07 13:10:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-07 13:10:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-07 13:10:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 13:10:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-07 13:10:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-07 13:10:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-07 13:10:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-07 13:10:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-07 13:10:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-07 13:10:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-07 13:10:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-07 13:10:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-07 13:10:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-07 13:10:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-07 13:10:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-07 13:10:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-07 13:10:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-07 13:10:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-07 13:10:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-07 13:10:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-07 13:10:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-07 13:10:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-07 13:10:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-07 13:10:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-07 13:10:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-07 13:10:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-07 13:10:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-07 13:10:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-07 13:10:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-07 13:10:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-07 13:10:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-07 13:10:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-07 13:10:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-07 13:10:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-07 13:10:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-07 13:10:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-07 13:10:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-07 13:10:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-07 13:10:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-07 13:10:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-07 13:10:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-07 13:10:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-07 13:10:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-07 13:10:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die [2019-10-07 13:10:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 13:10:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure create_sl_with_head_and_tail [2019-10-07 13:10:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 13:10:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 13:10:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure sl_random_insert [2019-10-07 13:10:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_sl [2019-10-07 13:10:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 13:10:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 13:10:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 13:10:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 13:10:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 13:10:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 13:10:36,567 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-07 13:10:37,129 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 13:10:37,130 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-07 13:10:37,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:10:37 BoogieIcfgContainer [2019-10-07 13:10:37,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 13:10:37,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 13:10:37,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 13:10:37,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 13:10:37,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 01:10:35" (1/3) ... [2019-10-07 13:10:37,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3c1fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:10:37, skipping insertion in model container [2019-10-07 13:10:37,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:10:36" (2/3) ... [2019-10-07 13:10:37,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3c1fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:10:37, skipping insertion in model container [2019-10-07 13:10:37,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:10:37" (3/3) ... [2019-10-07 13:10:37,153 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_and_skiplist_2lvl-2.i [2019-10-07 13:10:37,166 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 13:10:37,178 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 13:10:37,190 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 13:10:37,241 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 13:10:37,241 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 13:10:37,242 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 13:10:37,242 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 13:10:37,242 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 13:10:37,242 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 13:10:37,243 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 13:10:37,243 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 13:10:37,263 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2019-10-07 13:10:37,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-07 13:10:37,269 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:10:37,270 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:10:37,272 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:10:37,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:10:37,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1485717068, now seen corresponding path program 1 times [2019-10-07 13:10:37,288 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:10:37,288 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:10:37,288 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:10:37,289 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:10:37,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:10:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:10:37,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:10:37,431 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:10:37,432 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:10:37,432 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 13:10:37,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 13:10:37,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 13:10:37,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 13:10:37,454 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states. [2019-10-07 13:10:37,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:10:37,485 INFO L93 Difference]: Finished difference Result 77 states and 101 transitions. [2019-10-07 13:10:37,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 13:10:37,487 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-10-07 13:10:37,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:10:37,495 INFO L225 Difference]: With dead ends: 77 [2019-10-07 13:10:37,496 INFO L226 Difference]: Without dead ends: 17 [2019-10-07 13:10:37,500 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 13:10:37,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-10-07 13:10:37,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-10-07 13:10:37,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-10-07 13:10:37,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2019-10-07 13:10:37,541 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 12 [2019-10-07 13:10:37,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:10:37,541 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2019-10-07 13:10:37,541 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 13:10:37,542 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-10-07 13:10:37,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-07 13:10:37,542 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:10:37,543 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:10:37,543 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:10:37,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:10:37,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1630048670, now seen corresponding path program 1 times [2019-10-07 13:10:37,546 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:10:37,547 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:10:37,547 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:10:37,547 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:10:37,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:10:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:10:37,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:10:37,707 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:10:37,708 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:10:37,708 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 13:10:37,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 13:10:37,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 13:10:37,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 13:10:37,713 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 5 states. [2019-10-07 13:10:37,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:10:37,839 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2019-10-07 13:10:37,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 13:10:37,841 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-10-07 13:10:37,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:10:37,842 INFO L225 Difference]: With dead ends: 32 [2019-10-07 13:10:37,842 INFO L226 Difference]: Without dead ends: 30 [2019-10-07 13:10:37,843 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 13:10:37,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-10-07 13:10:37,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 22. [2019-10-07 13:10:37,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-10-07 13:10:37,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2019-10-07 13:10:37,853 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 13 [2019-10-07 13:10:37,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:10:37,853 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2019-10-07 13:10:37,853 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 13:10:37,854 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2019-10-07 13:10:37,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-07 13:10:37,855 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:10:37,855 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:10:37,855 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:10:37,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:10:37,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1874817408, now seen corresponding path program 1 times [2019-10-07 13:10:37,856 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:10:37,856 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:10:37,856 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:10:37,856 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:10:37,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:10:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:10:38,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:10:38,028 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:10:38,028 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:10:38,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:10:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:10:38,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 19 conjunts are in the unsatisfiable core [2019-10-07 13:10:38,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:10:38,260 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-10-07 13:10:38,261 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 13:10:38,275 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 13:10:38,280 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-10-07 13:10:38,281 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-07 13:10:38,289 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 13:10:38,289 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-07 13:10:38,290 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:18 [2019-10-07 13:10:38,308 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-10-07 13:10:38,309 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 13:10:38,319 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 13:10:38,324 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-10-07 13:10:38,324 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-07 13:10:38,329 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 13:10:38,329 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-07 13:10:38,330 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:7 [2019-10-07 13:10:38,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:10:38,332 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:10:38,387 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 29 [2019-10-07 13:10:38,390 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-10-07 13:10:38,404 INFO L567 ElimStorePlain]: treesize reduction 19, result has 36.7 percent of original size [2019-10-07 13:10:38,404 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_57| vanished before elimination [2019-10-07 13:10:38,405 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-07 13:10:38,405 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:39, output treesize:11 [2019-10-07 13:10:38,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:10:38,428 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 13:10:38,455 INFO L162 IcfgInterpreter]: Started Sifa with 15 locations of interest [2019-10-07 13:10:38,455 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 13:10:38,462 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 13:10:38,470 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 13:10:38,471 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 13:10:38,611 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 13:10:39,103 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-07 13:10:39,110 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 13:10:39,110 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 13:10:39,111 INFO L193 IcfgInterpreter]: Reachable states at location L599-2 satisfy 89#(or (exists ((v_DerPreprocessor_4 Int) (v_DerPreprocessor_3 Int) (v_DerPreprocessor_2 Int) (v_DerPreprocessor_1 Int)) (or (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= main_~a~0.offset 0)) (<= 0 |#NULL.base|) (not (= 0 |main_#t~malloc30.base|)) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |main_#t~malloc30.offset|) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= main_~a~0.base main_~p~0.base) (= (store |old(#memory_$Pointer$.offset)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_2) (+ main_~a~0.offset 4) 0)) |#memory_$Pointer$.offset|) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (= |#NULL.offset| 0) (= main_~a~0.base |main_#t~malloc30.base|) (= main_~a~0.offset main_~p~0.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_3) (+ main_~a~0.offset 4) 0))) (= (store |old(#memory_int)| main_~a~0.base (store (store (select |old(#memory_int)| main_~a~0.base) main_~a~0.offset 1) (+ main_~a~0.offset 4) (select (select |#memory_int| main_~a~0.base) (+ main_~a~0.offset 4)))) |#memory_int|)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= 0 main_~a~0.base)) (<= 0 |#NULL.base|) (not (= 0 |main_#t~malloc30.base|)) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_1) (+ main_~a~0.offset 4) 0))) (= 0 |main_#t~malloc30.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_4) (+ main_~a~0.offset 4) 0))) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= main_~a~0.base main_~p~0.base) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (= |#NULL.offset| 0) (= main_~a~0.base |main_#t~malloc30.base|) (= main_~a~0.offset main_~p~0.offset) (= (store |old(#memory_int)| main_~a~0.base (store (store (select |old(#memory_int)| main_~a~0.base) main_~a~0.offset 1) (+ main_~a~0.offset 4) (select (select |#memory_int| main_~a~0.base) (+ main_~a~0.offset 4)))) |#memory_int|)))) (exists ((v_prenex_6 Int) (v_prenex_7 Int) (v_prenex_5 Int) (v_DerPreprocessor_4 Int) (v_DerPreprocessor_3 Int) (v_DerPreprocessor_2 Int) (v_DerPreprocessor_1 Int) (v_prenex_8 Int)) (or (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= 0 main_~a~0.base)) (<= 0 |#NULL.base|) (not (= 0 |main_#t~malloc30.base|)) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ main_~a~0.offset 4))) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_1) (+ main_~a~0.offset 4) 0))) (= 0 |main_#t~malloc30.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_4) (+ main_~a~0.offset 4) 0))) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ main_~a~0.offset 4)) main_~p~0.base) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (= |#NULL.offset| 0) (= main_~a~0.base |main_#t~malloc30.base|) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (= (store |old(#memory_int)| main_~a~0.base (store (store (select |old(#memory_int)| main_~a~0.base) main_~a~0.offset 1) (+ main_~a~0.offset 4) (select (select |#memory_int| main_~a~0.base) (+ main_~a~0.offset 4)))) |#memory_int|)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= 0 main_~a~0.base)) (not (= main_~a~0.offset 0)) (<= 0 |#NULL.base|) (not (= 0 |main_#t~malloc30.base|)) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ main_~a~0.offset 4))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~a~0.base) main_~a~0.offset v_prenex_7) (+ main_~a~0.offset 4) 0))) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |main_#t~malloc30.offset|) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= (store |old(#memory_$Pointer$.offset)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~a~0.base) main_~a~0.offset v_prenex_8) (+ main_~a~0.offset 4) 0)) |#memory_$Pointer$.offset|) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ main_~a~0.offset 4)) main_~p~0.base) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (= |#NULL.offset| 0) (= main_~a~0.base |main_#t~malloc30.base|) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (= (store |old(#memory_int)| main_~a~0.base (store (store (select |old(#memory_int)| main_~a~0.base) main_~a~0.offset 1) (+ main_~a~0.offset 4) (select (select |#memory_int| main_~a~0.base) (+ main_~a~0.offset 4)))) |#memory_int|)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= main_~a~0.offset 0)) (<= 0 |#NULL.base|) (not (= 0 |main_#t~malloc30.base|)) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ main_~a~0.offset 4))) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |main_#t~malloc30.offset|) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= (store |old(#memory_$Pointer$.offset)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_2) (+ main_~a~0.offset 4) 0)) |#memory_$Pointer$.offset|) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ main_~a~0.offset 4)) main_~p~0.base) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (= |#NULL.offset| 0) (= main_~a~0.base |main_#t~malloc30.base|) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_3) (+ main_~a~0.offset 4) 0))) (= (store |old(#memory_int)| main_~a~0.base (store (store (select |old(#memory_int)| main_~a~0.base) main_~a~0.offset 1) (+ main_~a~0.offset 4) (select (select |#memory_int| main_~a~0.base) (+ main_~a~0.offset 4)))) |#memory_int|)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= 0 main_~a~0.base)) (not (= main_~a~0.offset 0)) (<= 0 |#NULL.base|) (not (= 0 |main_#t~malloc30.base|)) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ main_~a~0.offset 4))) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |main_#t~malloc30.offset|) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~a~0.base) main_~a~0.offset v_prenex_5) (+ main_~a~0.offset 4) 0))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ main_~a~0.offset 4)) main_~p~0.base) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~a~0.base) main_~a~0.offset v_prenex_6) (+ main_~a~0.offset 4) 0))) (= main_~a~0.base |main_#t~malloc30.base|) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (= (store |old(#memory_int)| main_~a~0.base (store (store (select |old(#memory_int)| main_~a~0.base) main_~a~0.offset 1) (+ main_~a~0.offset 4) (select (select |#memory_int| main_~a~0.base) (+ main_~a~0.offset 4)))) |#memory_int|))))) [2019-10-07 13:10:39,111 INFO L193 IcfgInterpreter]: Reachable states at location L589-1 satisfy 53#(and (<= |main_#t~malloc30.offset| 0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc30.offset|) (<= 0 main_~p~0.offset) (<= main_~p~0.offset 0) (or (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= 0 main_~a~0.base)) (<= |main_#t~nondet31| 2147483647) (<= 0 |#NULL.base|) (not (= 0 |main_#t~malloc30.base|)) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 |main_#t~malloc30.offset|) (<= 0 (+ |main_#t~nondet31| 2147483648)) (= main_~a~0.base main_~p~0.base) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= main_~a~0.offset main_~p~0.offset) (= main_~a~0.base |main_#t~malloc30.base|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (<= |main_#t~nondet31| 2147483647) (<= 0 |#NULL.base|) (not (= main_~a~0.offset 0)) (not (= 0 |main_#t~malloc30.base|)) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 |main_#t~malloc30.offset|) (<= 0 (+ |main_#t~nondet31| 2147483648)) (= main_~a~0.base main_~p~0.base) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= main_~a~0.offset main_~p~0.offset) (= main_~a~0.base |main_#t~malloc30.base|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))) [2019-10-07 13:10:39,112 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 117#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 13:10:39,112 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:10:39,112 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:10:39,113 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 122#(and (= |#valid| (store |old(#valid)| 0 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:10:39,113 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 13:10:39,113 INFO L193 IcfgInterpreter]: Reachable states at location L586-3 satisfy 43#(and (<= |main_#t~malloc30.offset| 0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc30.offset|) (or (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= 0 main_~a~0.base)) (<= 0 |#NULL.base|) (not (= 0 |main_#t~malloc30.base|)) (= 0 (select |old(#valid)| 0)) (= 0 |main_#t~malloc30.offset|) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= main_~a~0.base |main_#t~malloc30.base|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (<= 0 |#NULL.base|) (not (= main_~a~0.offset 0)) (not (= 0 |main_#t~malloc30.base|)) (= 0 (select |old(#valid)| 0)) (= 0 |main_#t~malloc30.offset|) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= main_~a~0.base |main_#t~malloc30.base|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:10:39,114 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 108#(exists ((v_DerPreprocessor_4 Int) (v_DerPreprocessor_3 Int) (v_DerPreprocessor_2 Int) (v_DerPreprocessor_1 Int)) (or (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= 0 main_~a~0.base)) (<= 0 |#NULL.base|) (not (= 0 |main_#t~malloc30.base|)) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_1) (+ main_~a~0.offset 4) 0))) (not (= main_~p~0.offset 0)) (= 0 |main_#t~malloc30.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_4) (+ main_~a~0.offset 4) 0))) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= main_~a~0.base main_~p~0.base) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (= |#NULL.offset| 0) (= main_~a~0.base |main_#t~malloc30.base|) (= main_~a~0.offset main_~p~0.offset) (= (store |old(#memory_int)| main_~a~0.base (store (store (select |old(#memory_int)| main_~a~0.base) main_~a~0.offset 1) (+ main_~a~0.offset 4) (select (select |#memory_int| main_~a~0.base) (+ main_~a~0.offset 4)))) |#memory_int|)) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= main_~a~0.offset 0)) (<= 0 |#NULL.base|) (not (= 0 |main_#t~malloc30.base|)) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (not (= main_~p~0.offset 0)) (= 0 |main_#t~malloc30.offset|) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= main_~a~0.base main_~p~0.base) (= (store |old(#memory_$Pointer$.offset)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_2) (+ main_~a~0.offset 4) 0)) |#memory_$Pointer$.offset|) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (= |#NULL.offset| 0) (= main_~a~0.base |main_#t~malloc30.base|) (= main_~a~0.offset main_~p~0.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_3) (+ main_~a~0.offset 4) 0))) (= (store |old(#memory_int)| main_~a~0.base (store (store (select |old(#memory_int)| main_~a~0.base) main_~a~0.offset 1) (+ main_~a~0.offset 4) (select (select |#memory_int| main_~a~0.base) (+ main_~a~0.offset 4)))) |#memory_int|)) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= 0 main_~a~0.base)) (<= 0 |#NULL.base|) (not (= 0 |main_#t~malloc30.base|)) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_1) (+ main_~a~0.offset 4) 0))) (= 0 |main_#t~malloc30.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_4) (+ main_~a~0.offset 4) 0))) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= main_~a~0.base main_~p~0.base) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (not (= 0 main_~p~0.base)) (= |#NULL.offset| 0) (= main_~a~0.base |main_#t~malloc30.base|) (= main_~a~0.offset main_~p~0.offset) (= (store |old(#memory_int)| main_~a~0.base (store (store (select |old(#memory_int)| main_~a~0.base) main_~a~0.offset 1) (+ main_~a~0.offset 4) (select (select |#memory_int| main_~a~0.base) (+ main_~a~0.offset 4)))) |#memory_int|)) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= main_~a~0.offset 0)) (<= 0 |#NULL.base|) (not (= 0 |main_#t~malloc30.base|)) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |main_#t~malloc30.offset|) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= main_~a~0.base main_~p~0.base) (= (store |old(#memory_$Pointer$.offset)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_2) (+ main_~a~0.offset 4) 0)) |#memory_$Pointer$.offset|) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (not (= 0 main_~p~0.base)) (= |#NULL.offset| 0) (= main_~a~0.base |main_#t~malloc30.base|) (= main_~a~0.offset main_~p~0.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_3) (+ main_~a~0.offset 4) 0))) (= (store |old(#memory_int)| main_~a~0.base (store (store (select |old(#memory_int)| main_~a~0.base) main_~a~0.offset 1) (+ main_~a~0.offset 4) (select (select |#memory_int| main_~a~0.base) (+ main_~a~0.offset 4)))) |#memory_int|)))) [2019-10-07 13:10:39,114 INFO L193 IcfgInterpreter]: Reachable states at location L601 satisfy 113#(exists ((v_DerPreprocessor_4 Int) (v_DerPreprocessor_3 Int) (v_DerPreprocessor_2 Int) (v_DerPreprocessor_1 Int)) (or (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= 0 main_~a~0.base)) (<= 0 |#NULL.base|) (not (= 0 |main_#t~malloc30.base|)) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_1) (+ main_~a~0.offset 4) 0))) (not (= main_~p~0.offset 0)) (= 0 |main_#t~malloc30.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_4) (+ main_~a~0.offset 4) 0))) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= main_~a~0.base main_~p~0.base) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (= |#NULL.offset| 0) (= main_~a~0.base |main_#t~malloc30.base|) (= main_~a~0.offset main_~p~0.offset) (= (store |old(#memory_int)| main_~a~0.base (store (store (select |old(#memory_int)| main_~a~0.base) main_~a~0.offset 1) (+ main_~a~0.offset 4) (select (select |#memory_int| main_~a~0.base) (+ main_~a~0.offset 4)))) |#memory_int|)) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= main_~a~0.offset 0)) (<= 0 |#NULL.base|) (not (= 0 |main_#t~malloc30.base|)) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (not (= main_~p~0.offset 0)) (= 0 |main_#t~malloc30.offset|) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= main_~a~0.base main_~p~0.base) (= (store |old(#memory_$Pointer$.offset)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_2) (+ main_~a~0.offset 4) 0)) |#memory_$Pointer$.offset|) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (= |#NULL.offset| 0) (= main_~a~0.base |main_#t~malloc30.base|) (= main_~a~0.offset main_~p~0.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_3) (+ main_~a~0.offset 4) 0))) (= (store |old(#memory_int)| main_~a~0.base (store (store (select |old(#memory_int)| main_~a~0.base) main_~a~0.offset 1) (+ main_~a~0.offset 4) (select (select |#memory_int| main_~a~0.base) (+ main_~a~0.offset 4)))) |#memory_int|)) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= 0 main_~a~0.base)) (<= 0 |#NULL.base|) (not (= 0 |main_#t~malloc30.base|)) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_1) (+ main_~a~0.offset 4) 0))) (= 0 |main_#t~malloc30.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_4) (+ main_~a~0.offset 4) 0))) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= main_~a~0.base main_~p~0.base) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (not (= 0 main_~p~0.base)) (= |#NULL.offset| 0) (= main_~a~0.base |main_#t~malloc30.base|) (= main_~a~0.offset main_~p~0.offset) (= (store |old(#memory_int)| main_~a~0.base (store (store (select |old(#memory_int)| main_~a~0.base) main_~a~0.offset 1) (+ main_~a~0.offset 4) (select (select |#memory_int| main_~a~0.base) (+ main_~a~0.offset 4)))) |#memory_int|)) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= main_~a~0.offset 0)) (<= 0 |#NULL.base|) (not (= 0 |main_#t~malloc30.base|)) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |main_#t~malloc30.offset|) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= main_~a~0.base main_~p~0.base) (= (store |old(#memory_$Pointer$.offset)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_2) (+ main_~a~0.offset 4) 0)) |#memory_$Pointer$.offset|) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (not (= 0 main_~p~0.base)) (= |#NULL.offset| 0) (= main_~a~0.base |main_#t~malloc30.base|) (= main_~a~0.offset main_~p~0.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_3) (+ main_~a~0.offset 4) 0))) (= (store |old(#memory_int)| main_~a~0.base (store (store (select |old(#memory_int)| main_~a~0.base) main_~a~0.offset 1) (+ main_~a~0.offset 4) (select (select |#memory_int| main_~a~0.base) (+ main_~a~0.offset 4)))) |#memory_int|)))) [2019-10-07 13:10:39,115 INFO L193 IcfgInterpreter]: Reachable states at location L600 satisfy 98#true [2019-10-07 13:10:39,115 INFO L193 IcfgInterpreter]: Reachable states at location L589-4 satisfy 58#(and (<= 0 main_~p~0.offset) (<= |main_#t~malloc30.offset| 0) (<= main_~p~0.offset 0) (<= main_~a~0.offset 0) (or (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= 0 main_~a~0.base)) (not (= 0 |main_#t~malloc30.base|)) (= 0 (select |old(#valid)| 0)) (= 0 |main_#t~malloc30.offset|) (= main_~a~0.base main_~p~0.base) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= main_~a~0.offset main_~p~0.offset) (= main_~a~0.base |main_#t~malloc30.base|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= main_~a~0.offset 0)) (not (= 0 |main_#t~malloc30.base|)) (= 0 (select |old(#valid)| 0)) (= 0 |main_#t~malloc30.offset|) (= main_~a~0.base main_~p~0.base) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= main_~a~0.offset main_~p~0.offset) (= main_~a~0.base |main_#t~malloc30.base|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (<= 0 |main_#t~malloc30.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:10:39,115 INFO L193 IcfgInterpreter]: Reachable states at location L586 satisfy 38#(and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (<= |main_#t~malloc30.offset| 0) (<= main_~a~0.offset 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (not (= 0 |main_#t~malloc30.base|)) (<= 0 |main_#t~malloc30.offset|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 |main_#t~malloc30.offset|) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= main_~a~0.base |main_#t~malloc30.base|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:10:39,116 INFO L193 IcfgInterpreter]: Reachable states at location L589-3 satisfy 48#(and (<= 0 main_~p~0.offset) (<= |main_#t~malloc30.offset| 0) (<= main_~p~0.offset 0) (<= main_~a~0.offset 0) (or (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= 0 main_~a~0.base)) (not (= 0 |main_#t~malloc30.base|)) (= 0 (select |old(#valid)| 0)) (= 0 |main_#t~malloc30.offset|) (= main_~a~0.base main_~p~0.base) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= main_~a~0.offset main_~p~0.offset) (= main_~a~0.base |main_#t~malloc30.base|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= main_~a~0.offset 0)) (not (= 0 |main_#t~malloc30.base|)) (= 0 (select |old(#valid)| 0)) (= 0 |main_#t~malloc30.offset|) (= main_~a~0.base main_~p~0.base) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= main_~a~0.offset main_~p~0.offset) (= main_~a~0.base |main_#t~malloc30.base|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (<= 0 |main_#t~malloc30.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:10:39,116 INFO L193 IcfgInterpreter]: Reachable states at location L600-2 satisfy 84#(exists ((v_DerPreprocessor_4 Int) (v_DerPreprocessor_3 Int) (v_DerPreprocessor_2 Int) (v_DerPreprocessor_1 Int)) (or (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= 0 main_~a~0.base)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (<= 0 |#NULL.base|) (not (= 0 |main_#t~malloc30.base|)) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_1) (+ main_~a~0.offset 4) 0))) (= 0 |main_#t~malloc30.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_4) (+ main_~a~0.offset 4) 0))) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= main_~a~0.base main_~p~0.base) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (not (= 0 main_~p~0.base)) (= |#NULL.offset| 0) (= main_~a~0.base |main_#t~malloc30.base|) (= main_~a~0.offset main_~p~0.offset) (= (store |old(#memory_int)| main_~a~0.base (store (store (select |old(#memory_int)| main_~a~0.base) main_~a~0.offset 1) (+ main_~a~0.offset 4) (select (select |#memory_int| main_~a~0.base) (+ main_~a~0.offset 4)))) |#memory_int|)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= main_~a~0.offset 0)) (<= 0 |#NULL.base|) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (not (= 0 |main_#t~malloc30.base|)) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |main_#t~malloc30.offset|) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= main_~a~0.base main_~p~0.base) (= (store |old(#memory_$Pointer$.offset)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_2) (+ main_~a~0.offset 4) 0)) |#memory_$Pointer$.offset|) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (not (= 0 main_~p~0.base)) (= |#NULL.offset| 0) (= main_~a~0.base |main_#t~malloc30.base|) (= main_~a~0.offset main_~p~0.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_3) (+ main_~a~0.offset 4) 0))) (= (store |old(#memory_int)| main_~a~0.base (store (store (select |old(#memory_int)| main_~a~0.base) main_~a~0.offset 1) (+ main_~a~0.offset 4) (select (select |#memory_int| main_~a~0.base) (+ main_~a~0.offset 4)))) |#memory_int|)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= main_~a~0.offset 0)) (<= 0 |#NULL.base|) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (not (= 0 |main_#t~malloc30.base|)) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (not (= main_~p~0.offset 0)) (= 0 |main_#t~malloc30.offset|) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= main_~a~0.base main_~p~0.base) (= (store |old(#memory_$Pointer$.offset)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_2) (+ main_~a~0.offset 4) 0)) |#memory_$Pointer$.offset|) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (= |#NULL.offset| 0) (= main_~a~0.base |main_#t~malloc30.base|) (= main_~a~0.offset main_~p~0.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_3) (+ main_~a~0.offset 4) 0))) (= (store |old(#memory_int)| main_~a~0.base (store (store (select |old(#memory_int)| main_~a~0.base) main_~a~0.offset 1) (+ main_~a~0.offset 4) (select (select |#memory_int| main_~a~0.base) (+ main_~a~0.offset 4)))) |#memory_int|)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_#t~malloc30.base| 1)) (<= |#NULL.base| 0) (< |#StackHeapBarrier| |main_#t~malloc30.base|) (= main_~a~0.offset |main_#t~malloc30.offset|) (not (= 0 main_~a~0.base)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (<= 0 |#NULL.base|) (not (= 0 |main_#t~malloc30.base|)) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_1) (+ main_~a~0.offset 4) 0))) (not (= main_~p~0.offset 0)) (= 0 |main_#t~malloc30.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~a~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~a~0.base) main_~a~0.offset v_DerPreprocessor_4) (+ main_~a~0.offset 4) 0))) (= 0 (select |old(#valid)| |main_#t~malloc30.base|)) (= main_~a~0.base main_~p~0.base) (= (store |old(#length)| |main_#t~malloc30.base| 8) |#length|) (= |#NULL.offset| 0) (= main_~a~0.base |main_#t~malloc30.base|) (= main_~a~0.offset main_~p~0.offset) (= (store |old(#memory_int)| main_~a~0.base (store (store (select |old(#memory_int)| main_~a~0.base) main_~a~0.offset 1) (+ main_~a~0.offset 4) (select (select |#memory_int| main_~a~0.base) (+ main_~a~0.offset 4)))) |#memory_int|)))) [2019-10-07 13:10:39,650 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2019-10-07 13:10:39,916 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2019-10-07 13:10:44,183 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-07 13:10:44,183 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [6, 6, 5] total 17 [2019-10-07 13:10:44,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 13:10:44,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 13:10:44,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=211, Unknown=2, NotChecked=0, Total=272 [2019-10-07 13:10:44,186 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 11 states. [2019-10-07 13:10:50,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:10:50,160 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2019-10-07 13:10:50,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 13:10:50,161 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 16 [2019-10-07 13:10:50,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:10:50,161 INFO L225 Difference]: With dead ends: 24 [2019-10-07 13:10:50,162 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 13:10:50,163 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 33 SyntacticMatches, 6 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=65, Invalid=239, Unknown=2, NotChecked=0, Total=306 [2019-10-07 13:10:50,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 13:10:50,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 13:10:50,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 13:10:50,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 13:10:50,164 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2019-10-07 13:10:50,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:10:50,164 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 13:10:50,165 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 13:10:50,165 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 13:10:50,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 13:10:50,366 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:10:50,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 13:10:50,569 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2019-10-07 13:10:50,733 INFO L443 ceAbstractionStarter]: For program point L564-3(lines 564 565) no Hoare annotation was computed. [2019-10-07 13:10:50,733 INFO L446 ceAbstractionStarter]: At program point L564-5(lines 564 565) the Hoare annotation is: true [2019-10-07 13:10:50,734 INFO L443 ceAbstractionStarter]: For program point L564-6(lines 564 565) no Hoare annotation was computed. [2019-10-07 13:10:50,734 INFO L446 ceAbstractionStarter]: At program point sl_random_insertENTRY(lines 556 573) the Hoare annotation is: true [2019-10-07 13:10:50,734 INFO L443 ceAbstractionStarter]: For program point sl_random_insertEXIT(lines 556 573) no Hoare annotation was computed. [2019-10-07 13:10:50,734 INFO L443 ceAbstractionStarter]: For program point L561-3(lines 561 562) no Hoare annotation was computed. [2019-10-07 13:10:50,734 INFO L446 ceAbstractionStarter]: At program point L561-5(lines 561 562) the Hoare annotation is: true [2019-10-07 13:10:50,734 INFO L443 ceAbstractionStarter]: For program point L561-6(lines 561 562) no Hoare annotation was computed. [2019-10-07 13:10:50,734 INFO L443 ceAbstractionStarter]: For program point create_sl_with_head_and_tailEXIT(lines 547 555) no Hoare annotation was computed. [2019-10-07 13:10:50,734 INFO L446 ceAbstractionStarter]: At program point create_sl_with_head_and_tailENTRY(lines 547 555) the Hoare annotation is: true [2019-10-07 13:10:50,735 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 13:10:50,735 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 13:10:50,735 INFO L446 ceAbstractionStarter]: At program point myexitENTRY(lines 529 531) the Hoare annotation is: true [2019-10-07 13:10:50,735 INFO L443 ceAbstractionStarter]: For program point myexitEXIT(lines 529 531) no Hoare annotation was computed. [2019-10-07 13:10:50,735 INFO L446 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: true [2019-10-07 13:10:50,735 INFO L443 ceAbstractionStarter]: For program point __bswap_32ENTRY(lines 175 179) no Hoare annotation was computed. [2019-10-07 13:10:50,735 INFO L443 ceAbstractionStarter]: For program point __bswap_32EXIT(lines 175 179) no Hoare annotation was computed. [2019-10-07 13:10:50,736 INFO L443 ceAbstractionStarter]: For program point L577-1(lines 577 581) no Hoare annotation was computed. [2019-10-07 13:10:50,736 INFO L446 ceAbstractionStarter]: At program point L577-3(lines 577 581) the Hoare annotation is: true [2019-10-07 13:10:50,736 INFO L443 ceAbstractionStarter]: For program point L577-4(lines 577 581) no Hoare annotation was computed. [2019-10-07 13:10:50,736 INFO L446 ceAbstractionStarter]: At program point destroy_slENTRY(lines 574 583) the Hoare annotation is: true [2019-10-07 13:10:50,736 INFO L443 ceAbstractionStarter]: For program point destroy_slEXIT(lines 574 583) no Hoare annotation was computed. [2019-10-07 13:10:50,736 INFO L443 ceAbstractionStarter]: For program point __bswap_64ENTRY(lines 180 184) no Hoare annotation was computed. [2019-10-07 13:10:50,736 INFO L443 ceAbstractionStarter]: For program point __bswap_64EXIT(lines 180 184) no Hoare annotation was computed. [2019-10-07 13:10:50,737 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 13:10:50,737 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (<= |#NULL.offset| 0) (<= 0 |#NULL.offset|)) [2019-10-07 13:10:50,737 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 13:10:50,737 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 13:10:50,737 INFO L443 ceAbstractionStarter]: For program point L605(line 605) no Hoare annotation was computed. [2019-10-07 13:10:50,737 INFO L443 ceAbstractionStarter]: For program point L601(line 601) no Hoare annotation was computed. [2019-10-07 13:10:50,737 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 584 610) no Hoare annotation was computed. [2019-10-07 13:10:50,737 INFO L443 ceAbstractionStarter]: For program point L589-1(lines 589 595) no Hoare annotation was computed. [2019-10-07 13:10:50,738 INFO L439 ceAbstractionStarter]: At program point L589-3(lines 589 595) the Hoare annotation is: (or (not (<= |#NULL.offset| 0)) (= 0 (select |#valid| 0)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= 0 |#NULL.offset|)) (not (<= |#NULL.base| 0))) [2019-10-07 13:10:50,738 INFO L443 ceAbstractionStarter]: For program point L589-4(lines 589 595) no Hoare annotation was computed. [2019-10-07 13:10:50,738 INFO L443 ceAbstractionStarter]: For program point L606-1(lines 606 607) no Hoare annotation was computed. [2019-10-07 13:10:50,738 INFO L446 ceAbstractionStarter]: At program point L606-3(lines 606 607) the Hoare annotation is: true [2019-10-07 13:10:50,738 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-07 13:10:50,738 INFO L446 ceAbstractionStarter]: At program point L586-1(line 586) the Hoare annotation is: true [2019-10-07 13:10:50,738 INFO L443 ceAbstractionStarter]: For program point L586-3(line 586) no Hoare annotation was computed. [2019-10-07 13:10:50,738 INFO L446 ceAbstractionStarter]: At program point L607(line 607) the Hoare annotation is: true [2019-10-07 13:10:50,739 INFO L446 ceAbstractionStarter]: At program point L607-1(lines 606 607) the Hoare annotation is: true [2019-10-07 13:10:50,739 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 601) no Hoare annotation was computed. [2019-10-07 13:10:50,739 INFO L439 ceAbstractionStarter]: At program point L599-2(lines 599 604) the Hoare annotation is: (or (not (<= |#NULL.offset| 0)) (= 0 (select |#valid| 0)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= 0 |#NULL.offset|)) (not (<= |#NULL.base| 0))) [2019-10-07 13:10:50,739 INFO L446 ceAbstractionStarter]: At program point L599-3(lines 599 604) the Hoare annotation is: true [2019-10-07 13:10:50,739 INFO L443 ceAbstractionStarter]: For program point L608(line 608) no Hoare annotation was computed. [2019-10-07 13:10:50,740 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 584 610) the Hoare annotation is: (or (not (<= |#NULL.offset| 0)) (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= 0 |#NULL.offset|)) (not (<= |#NULL.base| 0))) [2019-10-07 13:10:50,740 INFO L443 ceAbstractionStarter]: For program point L600(lines 600 602) no Hoare annotation was computed. [2019-10-07 13:10:50,740 INFO L443 ceAbstractionStarter]: For program point L600-2(lines 600 602) no Hoare annotation was computed. [2019-10-07 13:10:50,740 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-07 13:10:50,740 INFO L446 ceAbstractionStarter]: At program point L592-1(line 592) the Hoare annotation is: true [2019-10-07 13:10:50,740 INFO L443 ceAbstractionStarter]: For program point L592-3(line 592) no Hoare annotation was computed. [2019-10-07 13:10:50,740 INFO L443 ceAbstractionStarter]: For program point alloc_or_dieEXIT(lines 542 546) no Hoare annotation was computed. [2019-10-07 13:10:50,741 INFO L443 ceAbstractionStarter]: For program point alloc_or_dieENTRY(lines 542 546) no Hoare annotation was computed. [2019-10-07 13:10:50,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,756 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 01:10:50 BoogieIcfgContainer [2019-10-07 13:10:50,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 13:10:50,765 INFO L168 Benchmark]: Toolchain (without parser) took 15408.48 ms. Allocated memory was 145.8 MB in the beginning and 246.9 MB in the end (delta: 101.2 MB). Free memory was 102.3 MB in the beginning and 108.0 MB in the end (delta: -5.6 MB). Peak memory consumption was 95.6 MB. Max. memory is 7.1 GB. [2019-10-07 13:10:50,766 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory is still 121.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 13:10:50,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.88 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 101.9 MB in the beginning and 169.7 MB in the end (delta: -67.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-10-07 13:10:50,768 INFO L168 Benchmark]: Boogie Preprocessor took 88.29 ms. Allocated memory is still 204.5 MB. Free memory was 169.7 MB in the beginning and 165.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-07 13:10:50,769 INFO L168 Benchmark]: RCFGBuilder took 1032.53 ms. Allocated memory is still 204.5 MB. Free memory was 165.6 MB in the beginning and 94.9 MB in the end (delta: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. [2019-10-07 13:10:50,770 INFO L168 Benchmark]: TraceAbstraction took 13629.59 ms. Allocated memory was 204.5 MB in the beginning and 246.9 MB in the end (delta: 42.5 MB). Free memory was 94.9 MB in the beginning and 108.0 MB in the end (delta: -13.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2019-10-07 13:10:50,774 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory is still 121.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 652.88 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 101.9 MB in the beginning and 169.7 MB in the end (delta: -67.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.29 ms. Allocated memory is still 204.5 MB. Free memory was 169.7 MB in the beginning and 165.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1032.53 ms. Allocated memory is still 204.5 MB. Free memory was 165.6 MB in the beginning and 94.9 MB in the end (delta: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13629.59 ms. Allocated memory was 204.5 MB in the beginning and 246.9 MB in the end (delta: 42.5 MB). Free memory was 94.9 MB in the beginning and 108.0 MB in the end (delta: -13.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 601]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 599]: Loop Invariant [2019-10-07 13:10:50,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: ((((!(#NULL <= 0) || 0 == \valid[0]) || !(0 <= #NULL)) || !(0 == \old(\valid)[0])) || !(0 <= #NULL)) || !(#NULL <= 0) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 589]: Loop Invariant [2019-10-07 13:10:50,787 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,789 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:10:50,789 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: ((((!(#NULL <= 0) || 0 == \valid[0]) || !(0 <= #NULL)) || !(0 == \old(\valid)[0])) || !(0 <= #NULL)) || !(#NULL <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 53 locations, 1 error locations. Result: SAFE, OverallTime: 13.5s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 74 SDtfs, 25 SDslu, 53 SDs, 0 SdLazy, 93 SolverSat, 17 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 37 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 28 PreInvPairs, 37 NumberOfFragments, 138 HoareAnnotationTreeSize, 28 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 1470 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 5422 SizeOfPredicates, 7 NumberOfNonLiveVariables, 74 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 3/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: OVERALL_TIME[ms]: 661, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 27, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 18, TOOLS_POST_TIME[ms]: 154, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 6, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 24, TOOLS_QUANTIFIERELIM_TIME[ms]: 150, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 83, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 28, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 23, DOMAIN_JOIN_TIME[ms]: 390, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 12, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 40, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 40, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 2, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 33, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 32, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 144, DAG_COMPRESSION_RETAINED_NODES: 49, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...