./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/memsafety/test-0158_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/memsafety/test-0158_true-valid-memsafety_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7cfd7481ea91a8e19e08969c84b730ff13700e8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 17:28:53,266 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 17:28:53,268 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 17:28:53,284 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 17:28:53,284 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 17:28:53,289 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 17:28:53,291 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 17:28:53,293 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 17:28:53,298 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 17:28:53,299 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 17:28:53,300 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 17:28:53,300 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 17:28:53,301 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 17:28:53,303 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 17:28:53,304 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 17:28:53,305 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 17:28:53,306 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 17:28:53,308 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 17:28:53,310 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 17:28:53,312 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 17:28:53,313 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 17:28:53,315 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 17:28:53,318 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 17:28:53,318 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 17:28:53,318 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 17:28:53,320 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 17:28:53,321 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 17:28:53,322 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 17:28:53,323 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 17:28:53,325 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 17:28:53,325 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 17:28:53,326 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 17:28:53,326 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 17:28:53,326 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 17:28:53,327 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 17:28:53,329 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 17:28:53,329 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-01 17:28:53,357 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 17:28:53,361 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 17:28:53,363 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 17:28:53,363 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 17:28:53,363 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 17:28:53,363 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 17:28:53,363 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 17:28:53,364 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 17:28:53,364 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 17:28:53,364 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 17:28:53,364 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 17:28:53,364 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 17:28:53,364 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 17:28:53,364 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 17:28:53,368 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 17:28:53,368 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 17:28:53,369 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 17:28:53,369 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 17:28:53,369 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 17:28:53,369 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 17:28:53,369 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 17:28:53,370 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 17:28:53,370 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 17:28:53,370 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 17:28:53,370 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 17:28:53,370 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 17:28:53,370 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7cfd7481ea91a8e19e08969c84b730ff13700e8 [2019-01-01 17:28:53,439 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 17:28:53,456 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 17:28:53,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 17:28:53,467 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 17:28:53,468 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 17:28:53,468 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/memsafety/test-0158_true-valid-memsafety_true-termination.i [2019-01-01 17:28:53,521 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6114b8376/c194699024164abba54edce668b4db83/FLAG361463ba4 [2019-01-01 17:28:53,999 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 17:28:54,000 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/memsafety/test-0158_true-valid-memsafety_true-termination.i [2019-01-01 17:28:54,015 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6114b8376/c194699024164abba54edce668b4db83/FLAG361463ba4 [2019-01-01 17:28:54,316 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6114b8376/c194699024164abba54edce668b4db83 [2019-01-01 17:28:54,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 17:28:54,322 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 17:28:54,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 17:28:54,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 17:28:54,326 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 17:28:54,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 05:28:54" (1/1) ... [2019-01-01 17:28:54,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa4c198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:28:54, skipping insertion in model container [2019-01-01 17:28:54,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 05:28:54" (1/1) ... [2019-01-01 17:28:54,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 17:28:54,380 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 17:28:54,765 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 17:28:54,777 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 17:28:54,853 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 17:28:54,993 INFO L195 MainTranslator]: Completed translation [2019-01-01 17:28:54,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:28:54 WrapperNode [2019-01-01 17:28:54,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 17:28:54,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 17:28:54,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 17:28:54,995 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 17:28:55,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:28:54" (1/1) ... [2019-01-01 17:28:55,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:28:54" (1/1) ... [2019-01-01 17:28:55,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:28:54" (1/1) ... [2019-01-01 17:28:55,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:28:54" (1/1) ... [2019-01-01 17:28:55,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:28:54" (1/1) ... [2019-01-01 17:28:55,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:28:54" (1/1) ... [2019-01-01 17:28:55,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:28:54" (1/1) ... [2019-01-01 17:28:55,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 17:28:55,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 17:28:55,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 17:28:55,063 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 17:28:55,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:28:54" (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 [2019-01-01 17:28:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 17:28:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 17:28:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 17:28:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-01-01 17:28:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 17:28:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 17:28:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 17:28:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 17:28:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 17:28:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 17:28:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 17:28:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 17:28:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 17:28:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 17:28:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 17:28:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 17:28:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 17:28:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 17:28:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 17:28:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 17:28:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 17:28:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 17:28:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 17:28:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 17:28:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 17:28:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 17:28:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 17:28:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 17:28:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 17:28:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 17:28:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 17:28:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 17:28:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 17:28:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 17:28:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 17:28:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 17:28:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 17:28:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 17:28:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 17:28:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 17:28:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 17:28:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 17:28:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 17:28:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 17:28:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 17:28:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 17:28:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 17:28:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 17:28:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 17:28:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 17:28:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 17:28:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 17:28:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 17:28:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 17:28:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 17:28:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 17:28:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 17:28:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 17:28:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 17:28:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 17:28:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 17:28:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 17:28:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 17:28:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 17:28:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 17:28:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 17:28:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 17:28:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 17:28:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-01-01 17:28:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 17:28:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 17:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 17:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 17:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 17:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 17:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 17:28:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 17:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 17:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 17:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 17:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 17:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 17:28:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 17:28:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 17:28:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 17:28:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 17:28:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 17:28:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 17:28:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 17:28:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 17:28:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 17:28:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 17:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 17:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 17:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 17:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 17:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 17:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 17:28:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 17:28:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 17:28:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 17:28:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 17:28:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 17:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 17:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 17:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 17:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 17:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 17:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 17:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 17:28:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 17:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 17:28:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 17:28:55,779 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 17:28:55,779 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2019-01-01 17:28:55,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:28:55 BoogieIcfgContainer [2019-01-01 17:28:55,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 17:28:55,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 17:28:55,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 17:28:55,784 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 17:28:55,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 05:28:54" (1/3) ... [2019-01-01 17:28:55,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b135e0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 05:28:55, skipping insertion in model container [2019-01-01 17:28:55,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:28:54" (2/3) ... [2019-01-01 17:28:55,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b135e0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 05:28:55, skipping insertion in model container [2019-01-01 17:28:55,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:28:55" (3/3) ... [2019-01-01 17:28:55,788 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0158_true-valid-memsafety_true-termination.i [2019-01-01 17:28:55,799 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 17:28:55,808 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2019-01-01 17:28:55,825 INFO L257 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2019-01-01 17:28:55,852 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 17:28:55,853 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 17:28:55,853 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 17:28:55,854 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 17:28:55,854 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 17:28:55,854 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 17:28:55,854 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 17:28:55,854 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 17:28:55,855 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 17:28:55,870 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-01-01 17:28:55,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-01 17:28:55,881 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:28:55,882 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:28:55,884 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1REQUIRES_VIOLATION, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr9ENSURES_VIOLATIONMEMORY_LEAK, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION]=== [2019-01-01 17:28:55,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:28:55,890 INFO L82 PathProgramCache]: Analyzing trace with hash 682221114, now seen corresponding path program 1 times [2019-01-01 17:28:55,892 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:28:55,892 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:28:55,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:28:55,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:28:55,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:28:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:28:56,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:28:56,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:28:56,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 17:28:56,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 17:28:56,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 17:28:56,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:28:56,118 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2019-01-01 17:28:56,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:28:56,232 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-01-01 17:28:56,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 17:28:56,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-01 17:28:56,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:28:56,246 INFO L225 Difference]: With dead ends: 23 [2019-01-01 17:28:56,249 INFO L226 Difference]: Without dead ends: 20 [2019-01-01 17:28:56,251 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:28:56,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-01-01 17:28:56,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-01-01 17:28:56,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-01-01 17:28:56,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2019-01-01 17:28:56,290 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 7 [2019-01-01 17:28:56,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:28:56,291 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2019-01-01 17:28:56,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 17:28:56,291 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2019-01-01 17:28:56,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-01 17:28:56,292 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:28:56,292 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:28:56,292 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr1REQUIRES_VIOLATION, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr9ENSURES_VIOLATIONMEMORY_LEAK, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION]=== [2019-01-01 17:28:56,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:28:56,293 INFO L82 PathProgramCache]: Analyzing trace with hash 682221115, now seen corresponding path program 1 times [2019-01-01 17:28:56,293 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:28:56,293 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:28:56,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:28:56,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:28:56,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:28:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:28:56,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:28:56,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:28:56,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 17:28:56,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 17:28:56,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 17:28:56,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:28:56,359 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 3 states. [2019-01-01 17:28:56,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:28:56,421 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2019-01-01 17:28:56,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 17:28:56,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-01 17:28:56,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:28:56,423 INFO L225 Difference]: With dead ends: 17 [2019-01-01 17:28:56,423 INFO L226 Difference]: Without dead ends: 17 [2019-01-01 17:28:56,424 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:28:56,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-01-01 17:28:56,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-01-01 17:28:56,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-01-01 17:28:56,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2019-01-01 17:28:56,428 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 7 [2019-01-01 17:28:56,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:28:56,428 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2019-01-01 17:28:56,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 17:28:56,428 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2019-01-01 17:28:56,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-01 17:28:56,429 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:28:56,429 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:28:56,430 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr1REQUIRES_VIOLATION, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr9ENSURES_VIOLATIONMEMORY_LEAK, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION]=== [2019-01-01 17:28:56,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:28:56,430 INFO L82 PathProgramCache]: Analyzing trace with hash 263938768, now seen corresponding path program 1 times [2019-01-01 17:28:56,430 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:28:56,431 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:28:56,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:28:56,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:28:56,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:28:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:28:56,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:28:56,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:28:56,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 17:28:56,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 17:28:56,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 17:28:56,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 17:28:56,608 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand 5 states. [2019-01-01 17:28:56,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:28:56,677 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-01-01 17:28:56,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 17:28:56,678 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-01-01 17:28:56,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:28:56,679 INFO L225 Difference]: With dead ends: 16 [2019-01-01 17:28:56,680 INFO L226 Difference]: Without dead ends: 16 [2019-01-01 17:28:56,681 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-01 17:28:56,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-01-01 17:28:56,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-01-01 17:28:56,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-01-01 17:28:56,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-01-01 17:28:56,684 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 10 [2019-01-01 17:28:56,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:28:56,684 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-01-01 17:28:56,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 17:28:56,685 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-01-01 17:28:56,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-01 17:28:56,685 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:28:56,685 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:28:56,686 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr1REQUIRES_VIOLATION, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr9ENSURES_VIOLATIONMEMORY_LEAK, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION]=== [2019-01-01 17:28:56,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:28:56,686 INFO L82 PathProgramCache]: Analyzing trace with hash -407832739, now seen corresponding path program 1 times [2019-01-01 17:28:56,686 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:28:56,686 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:28:56,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:28:56,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:28:56,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:28:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:28:56,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:28:56,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:28:56,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 17:28:56,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 17:28:56,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 17:28:56,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 17:28:56,928 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 5 states. [2019-01-01 17:28:57,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:28:57,096 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2019-01-01 17:28:57,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 17:28:57,101 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-01-01 17:28:57,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:28:57,102 INFO L225 Difference]: With dead ends: 15 [2019-01-01 17:28:57,102 INFO L226 Difference]: Without dead ends: 15 [2019-01-01 17:28:57,104 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-01 17:28:57,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-01-01 17:28:57,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-01-01 17:28:57,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-01-01 17:28:57,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2019-01-01 17:28:57,109 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 11 [2019-01-01 17:28:57,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:28:57,110 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2019-01-01 17:28:57,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 17:28:57,110 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2019-01-01 17:28:57,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-01 17:28:57,110 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:28:57,116 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:28:57,116 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr1REQUIRES_VIOLATION, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr9ENSURES_VIOLATIONMEMORY_LEAK, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION]=== [2019-01-01 17:28:57,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:28:57,117 INFO L82 PathProgramCache]: Analyzing trace with hash 242087026, now seen corresponding path program 1 times [2019-01-01 17:28:57,117 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:28:57,117 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:28:57,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:28:57,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:28:57,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:28:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:28:57,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:28:57,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:28:57,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 17:28:57,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 17:28:57,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 17:28:57,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 17:28:57,213 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 5 states. [2019-01-01 17:28:57,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:28:57,290 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2019-01-01 17:28:57,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 17:28:57,291 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-01-01 17:28:57,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:28:57,292 INFO L225 Difference]: With dead ends: 14 [2019-01-01 17:28:57,292 INFO L226 Difference]: Without dead ends: 14 [2019-01-01 17:28:57,292 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-01 17:28:57,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-01-01 17:28:57,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-01-01 17:28:57,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-01-01 17:28:57,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2019-01-01 17:28:57,296 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 12 [2019-01-01 17:28:57,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:28:57,296 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2019-01-01 17:28:57,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 17:28:57,296 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2019-01-01 17:28:57,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-01 17:28:57,297 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:28:57,297 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:28:57,297 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr1REQUIRES_VIOLATION, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr9ENSURES_VIOLATIONMEMORY_LEAK, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION]=== [2019-01-01 17:28:57,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:28:57,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1085236736, now seen corresponding path program 1 times [2019-01-01 17:28:57,298 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:28:57,298 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:28:57,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:28:57,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:28:57,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:28:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:28:57,680 WARN L181 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 11 [2019-01-01 17:28:57,826 WARN L181 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 17 [2019-01-01 17:28:57,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:28:57,911 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:28:57,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 17:28:57,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 17:28:57,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 17:28:57,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-01 17:28:57,913 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand 6 states. [2019-01-01 17:28:58,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:28:58,173 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-01-01 17:28:58,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 17:28:58,174 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-01-01 17:28:58,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:28:58,175 INFO L225 Difference]: With dead ends: 13 [2019-01-01 17:28:58,175 INFO L226 Difference]: Without dead ends: 0 [2019-01-01 17:28:58,175 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-01-01 17:28:58,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-01 17:28:58,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-01 17:28:58,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-01 17:28:58,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 17:28:58,176 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-01-01 17:28:58,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:28:58,178 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 17:28:58,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 17:28:58,178 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-01 17:28:58,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 17:28:58,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 05:28:58 BoogieIcfgContainer [2019-01-01 17:28:58,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 17:28:58,185 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 17:28:58,185 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 17:28:58,185 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 17:28:58,186 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:28:55" (3/4) ... [2019-01-01 17:28:58,189 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 17:28:58,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-01-01 17:28:58,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-01-01 17:28:58,204 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-01-01 17:28:58,205 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-01 17:28:58,205 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-01 17:28:58,262 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 17:28:58,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 17:28:58,264 INFO L168 Benchmark]: Toolchain (without parser) took 3943.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 948.7 MB in the beginning and 971.7 MB in the end (delta: -23.0 MB). Peak memory consumption was 98.1 MB. Max. memory is 11.5 GB. [2019-01-01 17:28:58,265 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 17:28:58,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -158.0 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2019-01-01 17:28:58,267 INFO L168 Benchmark]: Boogie Preprocessor took 67.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-01-01 17:28:58,268 INFO L168 Benchmark]: RCFGBuilder took 717.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. [2019-01-01 17:28:58,270 INFO L168 Benchmark]: TraceAbstraction took 2403.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.7 MB in the end (delta: 89.2 MB). Peak memory consumption was 89.2 MB. Max. memory is 11.5 GB. [2019-01-01 17:28:58,270 INFO L168 Benchmark]: Witness Printer took 77.55 ms. Allocated memory is still 1.2 GB. Free memory is still 971.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 17:28:58,275 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 671.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -158.0 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 717.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2403.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.7 MB in the end (delta: 89.2 MB). Peak memory consumption was 89.2 MB. Max. memory is 11.5 GB. * Witness Printer took 77.55 ms. Allocated memory is still 1.2 GB. Free memory is still 971.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 629]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 631]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 630]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 630]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 631]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 631]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 631]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 619]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 631]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 629]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 26 locations, 10 error locations. SAFE Result, 2.3s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 57 SDtfs, 61 SDslu, 68 SDs, 0 SdLazy, 86 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 7 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 3082 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...