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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 01:45:24,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 01:45:24,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 01:45:24,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 01:45:24,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 01:45:24,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 01:45:24,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 01:45:24,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 01:45:24,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 01:45:24,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 01:45:24,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 01:45:24,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 01:45:24,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 01:45:24,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 01:45:24,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 01:45:24,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 01:45:24,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 01:45:24,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 01:45:24,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 01:45:24,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 01:45:24,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 01:45:24,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 01:45:24,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 01:45:24,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 01:45:24,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 01:45:24,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 01:45:24,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 01:45:24,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 01:45:24,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 01:45:24,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 01:45:24,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 01:45:24,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 01:45:24,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 01:45:24,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 01:45:24,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 01:45:24,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 01:45:24,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 01:45:24,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 01:45:24,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 01:45:24,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 01:45:24,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 01:45:24,228 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 01:45:24,250 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 01:45:24,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 01:45:24,251 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 01:45:24,251 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 01:45:24,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 01:45:24,252 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 01:45:24,252 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 01:45:24,253 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 01:45:24,253 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 01:45:24,253 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 01:45:24,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 01:45:24,255 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 01:45:24,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 01:45:24,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 01:45:24,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 01:45:24,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 01:45:24,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 01:45:24,257 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 01:45:24,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 01:45:24,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 01:45:24,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 01:45:24,258 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 01:45:24,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 01:45:24,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 01:45:24,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 01:45:24,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 01:45:24,259 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 01:45:24,259 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 01:45:24,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 01:45:24,259 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 01:45:24,309 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 01:45:24,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 01:45:24,332 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 01:45:24,333 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 01:45:24,334 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 01:45:24,335 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2019-09-10 01:45:24,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bca91d968/169056bf25174ca4915c395c76ea4cc1/FLAG7ab5881b0 [2019-09-10 01:45:24,894 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 01:45:24,896 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2019-09-10 01:45:24,916 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bca91d968/169056bf25174ca4915c395c76ea4cc1/FLAG7ab5881b0 [2019-09-10 01:45:25,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bca91d968/169056bf25174ca4915c395c76ea4cc1 [2019-09-10 01:45:25,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 01:45:25,198 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 01:45:25,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 01:45:25,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 01:45:25,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 01:45:25,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:45:25" (1/1) ... [2019-09-10 01:45:25,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ba1385d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:45:25, skipping insertion in model container [2019-09-10 01:45:25,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:45:25" (1/1) ... [2019-09-10 01:45:25,213 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 01:45:25,258 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 01:45:25,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:45:25,775 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 01:45:25,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:45:25,939 INFO L192 MainTranslator]: Completed translation [2019-09-10 01:45:25,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:45:25 WrapperNode [2019-09-10 01:45:25,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 01:45:25,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 01:45:25,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 01:45:25,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 01:45:25,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:45:25" (1/1) ... [2019-09-10 01:45:25,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:45:25" (1/1) ... [2019-09-10 01:45:26,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:45:25" (1/1) ... [2019-09-10 01:45:26,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:45:25" (1/1) ... [2019-09-10 01:45:26,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:45:25" (1/1) ... [2019-09-10 01:45:26,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:45:25" (1/1) ... [2019-09-10 01:45:26,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:45:25" (1/1) ... [2019-09-10 01:45:26,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 01:45:26,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 01:45:26,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 01:45:26,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 01:45:26,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:45:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 01:45:26,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 01:45:26,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 01:45:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 01:45:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-10 01:45:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-10 01:45:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2019-09-10 01:45:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_slave [2019-09-10 01:45:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_master [2019-09-10 01:45:26,151 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_slave [2019-09-10 01:45:26,151 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2019-09-10 01:45:26,151 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2019-09-10 01:45:26,151 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_slave [2019-09-10 01:45:26,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_nested_lists [2019-09-10 01:45:26,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_reinit_nested_lists [2019-09-10 01:45:26,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_master [2019-09-10 01:45:26,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2019-09-10 01:45:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_master [2019-09-10 01:45:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2019-09-10 01:45:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_full [2019-09-10 01:45:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_dangling [2019-09-10 01:45:26,155 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_init [2019-09-10 01:45:26,155 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 01:45:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 01:45:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-10 01:45:26,158 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-10 01:45:26,158 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-10 01:45:26,158 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-10 01:45:26,158 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-10 01:45:26,158 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-10 01:45:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-10 01:45:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-10 01:45:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-10 01:45:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-10 01:45:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-10 01:45:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-10 01:45:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-10 01:45:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-10 01:45:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-10 01:45:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-10 01:45:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-10 01:45:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-10 01:45:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-10 01:45:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-10 01:45:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-10 01:45:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-10 01:45:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-10 01:45:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-10 01:45:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-10 01:45:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-10 01:45:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-10 01:45:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-10 01:45:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-10 01:45:26,162 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-10 01:45:26,162 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-10 01:45:26,162 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-10 01:45:26,162 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-10 01:45:26,162 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-10 01:45:26,162 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-10 01:45:26,162 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-10 01:45:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-10 01:45:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-10 01:45:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-10 01:45:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-10 01:45:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-10 01:45:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-10 01:45:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-10 01:45:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-10 01:45:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-10 01:45:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-10 01:45:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-10 01:45:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-10 01:45:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-10 01:45:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-10 01:45:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-10 01:45:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-10 01:45:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 01:45:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 01:45:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-10 01:45:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 01:45:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-10 01:45:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-10 01:45:26,166 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-10 01:45:26,166 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-10 01:45:26,166 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-10 01:45:26,166 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-10 01:45:26,166 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-10 01:45:26,166 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-10 01:45:26,166 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-10 01:45:26,166 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-10 01:45:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-10 01:45:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-10 01:45:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-10 01:45:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-10 01:45:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-10 01:45:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-10 01:45:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-10 01:45:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-10 01:45:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-10 01:45:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-10 01:45:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-10 01:45:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-10 01:45:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-10 01:45:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-10 01:45:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-10 01:45:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-10 01:45:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-10 01:45:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-10 01:45:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-10 01:45:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-10 01:45:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-10 01:45:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-10 01:45:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-10 01:45:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-10 01:45:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-10 01:45:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-10 01:45:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-10 01:45:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-10 01:45:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-10 01:45:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-10 01:45:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-10 01:45:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-10 01:45:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-10 01:45:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-10 01:45:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-10 01:45:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-10 01:45:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-10 01:45:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-10 01:45:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-10 01:45:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 01:45:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2019-09-10 01:45:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_slave [2019-09-10 01:45:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 01:45:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 01:45:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_master [2019-09-10 01:45:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_slave [2019-09-10 01:45:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 01:45:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2019-09-10 01:45:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 01:45:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 01:45:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 01:45:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 01:45:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2019-09-10 01:45:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_slave [2019-09-10 01:45:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_nested_lists [2019-09-10 01:45:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure dll_reinit_nested_lists [2019-09-10 01:45:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_master [2019-09-10 01:45:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2019-09-10 01:45:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_master [2019-09-10 01:45:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2019-09-10 01:45:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_full [2019-09-10 01:45:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_dangling [2019-09-10 01:45:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_init [2019-09-10 01:45:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 01:45:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 01:45:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 01:45:27,051 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 01:45:27,051 INFO L283 CfgBuilder]: Removed 38 assume(true) statements. [2019-09-10 01:45:27,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:45:27 BoogieIcfgContainer [2019-09-10 01:45:27,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 01:45:27,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 01:45:27,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 01:45:27,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 01:45:27,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 01:45:25" (1/3) ... [2019-09-10 01:45:27,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5586d54b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:45:27, skipping insertion in model container [2019-09-10 01:45:27,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:45:25" (2/3) ... [2019-09-10 01:45:27,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5586d54b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:45:27, skipping insertion in model container [2019-09-10 01:45:27,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:45:27" (3/3) ... [2019-09-10 01:45:27,061 INFO L109 eAbstractionObserver]: Analyzing ICFG dll_of_dll-1.i [2019-09-10 01:45:27,100 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 01:45:27,109 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 01:45:27,125 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 01:45:27,150 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 01:45:27,151 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 01:45:27,151 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 01:45:27,151 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 01:45:27,151 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 01:45:27,151 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 01:45:27,151 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 01:45:27,151 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 01:45:27,169 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2019-09-10 01:45:27,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-10 01:45:27,180 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:45:27,181 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 01:45:27,184 INFO L418 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:45:27,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:45:27,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1492820819, now seen corresponding path program 1 times [2019-09-10 01:45:27,192 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:45:27,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:45:27,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:45:27,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:45:27,244 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:45:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 01:45:27,383 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-09-10 01:45:27,385 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 01:45:27,385 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 01:45:27,387 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 60 with the following transitions: [2019-09-10 01:45:27,390 INFO L207 CegarAbsIntRunner]: [66], [69], [75], [205], [207], [210], [214], [215], [216], [217], [218], [221], [225], [226], [228], [229], [243], [252], [258], [261], [262], [473], [488], [490], [491], [515], [527], [528], [529], [530], [535], [536], [537], [551], [552], [553], [571], [572], [573], [574], [579], [580], [581] [2019-09-10 01:45:27,430 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 01:45:27,430 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 01:45:27,490 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 01:45:27,492 INFO L272 AbstractInterpreter]: Visited 8 different actions 8 times. Never merged. Never widened. Performed 35 root evaluator evaluations with a maximum evaluation depth of 0. Performed 35 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 26 variables. [2019-09-10 01:45:27,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:45:27,496 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 01:45:27,552 INFO L227 lantSequenceWeakener]: Weakened 6 states. On average, predicates are now at 100% of their original sizes. [2019-09-10 01:45:27,552 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 01:45:27,559 INFO L420 sIntCurrentIteration]: We unified 58 AI predicates to 58 [2019-09-10 01:45:27,560 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 01:45:27,560 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 01:45:27,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2019-09-10 01:45:27,561 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 01:45:27,568 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 01:45:27,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 01:45:27,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 01:45:27,574 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2019-09-10 01:45:27,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 01:45:27,589 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2019-09-10 01:45:27,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 01:45:27,590 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-09-10 01:45:27,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 01:45:27,594 INFO L225 Difference]: With dead ends: 8 [2019-09-10 01:45:27,594 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 01:45:27,598 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 01:45:27,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 01:45:27,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 01:45:27,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 01:45:27,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 01:45:27,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2019-09-10 01:45:27,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 01:45:27,618 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 01:45:27,619 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 01:45:27,619 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 01:45:27,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 01:45:27,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 01:45:27 BoogieIcfgContainer [2019-09-10 01:45:27,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 01:45:27,626 INFO L168 Benchmark]: Toolchain (without parser) took 2427.83 ms. Allocated memory was 131.6 MB in the beginning and 219.2 MB in the end (delta: 87.6 MB). Free memory was 86.9 MB in the beginning and 155.7 MB in the end (delta: -68.8 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2019-09-10 01:45:27,627 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.6 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 01:45:27,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.97 ms. Allocated memory was 131.6 MB in the beginning and 197.7 MB in the end (delta: 66.1 MB). Free memory was 86.4 MB in the beginning and 156.1 MB in the end (delta: -69.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-09-10 01:45:27,629 INFO L168 Benchmark]: Boogie Preprocessor took 147.35 ms. Allocated memory is still 197.7 MB. Free memory was 156.1 MB in the beginning and 150.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-09-10 01:45:27,630 INFO L168 Benchmark]: RCFGBuilder took 964.22 ms. Allocated memory is still 197.7 MB. Free memory was 150.1 MB in the beginning and 74.5 MB in the end (delta: 75.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 7.1 GB. [2019-09-10 01:45:27,631 INFO L168 Benchmark]: TraceAbstraction took 570.45 ms. Allocated memory was 197.7 MB in the beginning and 219.2 MB in the end (delta: 21.5 MB). Free memory was 74.5 MB in the beginning and 155.7 MB in the end (delta: -81.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 01:45:27,635 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 131.6 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 741.97 ms. Allocated memory was 131.6 MB in the beginning and 197.7 MB in the end (delta: 66.1 MB). Free memory was 86.4 MB in the beginning and 156.1 MB in the end (delta: -69.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 147.35 ms. Allocated memory is still 197.7 MB. Free memory was 156.1 MB in the beginning and 150.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 964.22 ms. Allocated memory is still 197.7 MB. Free memory was 150.1 MB in the beginning and 74.5 MB in the end (delta: 75.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 570.45 ms. Allocated memory was 197.7 MB in the beginning and 219.2 MB in the end (delta: 21.5 MB). Free memory was 74.5 MB in the beginning and 155.7 MB in the end (delta: -81.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 536]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 175 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=169occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9741379310344828 AbsIntWeakeningRatio, 1.3103448275862069 AbsIntAvgWeakeningVarsNumRemoved, 0.20689655172413793 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 3364 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 7/17 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...