java -ea -Xmx8000000000 -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 ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default-Const.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 19:12:22,303 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 19:12:22,309 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 19:12:22,325 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 19:12:22,325 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 19:12:22,326 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 19:12:22,328 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 19:12:22,329 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 19:12:22,331 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 19:12:22,332 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 19:12:22,333 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 19:12:22,333 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 19:12:22,336 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 19:12:22,337 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 19:12:22,339 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 19:12:22,341 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 19:12:22,342 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 19:12:22,343 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 19:12:22,345 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 19:12:22,347 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 19:12:22,348 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 19:12:22,349 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 19:12:22,351 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-14 19:12:22,352 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-14 19:12:22,352 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-14 19:12:22,353 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-14 19:12:22,354 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-14 19:12:22,354 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-14 19:12:22,355 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-14 19:12:22,356 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-14 19:12:22,356 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-14 19:12:22,357 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-14 19:12:22,357 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-14 19:12:22,358 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-14 19:12:22,358 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-14 19:12:22,359 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-14 19:12:22,360 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default-Const.epf [2018-11-14 19:12:22,384 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 19:12:22,384 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 19:12:22,385 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 19:12:22,386 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 19:12:22,386 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 19:12:22,386 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 19:12:22,390 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 19:12:22,391 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 19:12:22,391 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 19:12:22,391 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-14 19:12:22,391 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 19:12:22,391 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 19:12:22,392 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 19:12:22,392 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 19:12:22,392 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 19:12:22,393 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 19:12:22,393 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 19:12:22,393 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-14 19:12:22,393 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 19:12:22,393 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 19:12:22,394 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 19:12:22,394 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 19:12:22,394 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 19:12:22,394 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 19:12:22,394 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 19:12:22,395 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 19:12:22,396 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 19:12:22,396 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-14 19:12:22,396 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 19:12:22,396 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-14 19:12:22,397 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 19:12:22,454 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 19:12:22,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 19:12:22,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 19:12:22,477 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 19:12:22,477 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 19:12:22,478 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i [2018-11-14 19:12:22,543 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cf6748c5/5ec42d15601c451380543e3a07bf7b97/FLAG49b3e06ca [2018-11-14 19:12:23,086 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 19:12:23,087 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i [2018-11-14 19:12:23,102 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cf6748c5/5ec42d15601c451380543e3a07bf7b97/FLAG49b3e06ca [2018-11-14 19:12:23,118 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cf6748c5/5ec42d15601c451380543e3a07bf7b97 [2018-11-14 19:12:23,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 19:12:23,128 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 19:12:23,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 19:12:23,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 19:12:23,133 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 19:12:23,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:12:23" (1/1) ... [2018-11-14 19:12:23,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed493f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:12:23, skipping insertion in model container [2018-11-14 19:12:23,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:12:23" (1/1) ... [2018-11-14 19:12:23,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 19:12:23,206 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 19:12:23,663 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 19:12:23,678 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 19:12:23,749 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 19:12:23,894 INFO L195 MainTranslator]: Completed translation [2018-11-14 19:12:23,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:12:23 WrapperNode [2018-11-14 19:12:23,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 19:12:23,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 19:12:23,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 19:12:23,895 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 19:12:23,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:12:23" (1/1) ... [2018-11-14 19:12:23,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:12:23" (1/1) ... [2018-11-14 19:12:23,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:12:23" (1/1) ... [2018-11-14 19:12:23,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:12:23" (1/1) ... [2018-11-14 19:12:23,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:12:23" (1/1) ... [2018-11-14 19:12:23,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:12:23" (1/1) ... [2018-11-14 19:12:23,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:12:23" (1/1) ... [2018-11-14 19:12:24,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 19:12:24,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 19:12:24,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 19:12:24,005 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 19:12:24,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:12:23" (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 [2018-11-14 19:12:24,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 19:12:24,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 19:12:24,058 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 19:12:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-14 19:12:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-14 19:12:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-14 19:12:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-14 19:12:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-14 19:12:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-14 19:12:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-14 19:12:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-14 19:12:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-14 19:12:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-14 19:12:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-14 19:12:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-14 19:12:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-14 19:12:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-14 19:12:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-14 19:12:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-14 19:12:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-14 19:12:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-14 19:12:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-14 19:12:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-14 19:12:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-14 19:12:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-14 19:12:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-14 19:12:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-14 19:12:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-14 19:12:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-14 19:12:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-14 19:12:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-14 19:12:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-14 19:12:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-14 19:12:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-14 19:12:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-14 19:12:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-14 19:12:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-14 19:12:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-14 19:12:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-14 19:12:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-14 19:12:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-14 19:12:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-14 19:12:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-14 19:12:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-14 19:12:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-14 19:12:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-14 19:12:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-14 19:12:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-14 19:12:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-14 19:12:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-14 19:12:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-14 19:12:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-14 19:12:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-14 19:12:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-14 19:12:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-14 19:12:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-14 19:12:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-14 19:12:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-14 19:12:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-14 19:12:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-14 19:12:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-14 19:12:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-11-14 19:12:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-14 19:12:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-14 19:12:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-11-14 19:12:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-14 19:12:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-14 19:12:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-11-14 19:12:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-14 19:12:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-14 19:12:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-14 19:12:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-14 19:12:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-14 19:12:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-14 19:12:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-14 19:12:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-14 19:12:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-14 19:12:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-14 19:12:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-14 19:12:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-14 19:12:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-14 19:12:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-14 19:12:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-14 19:12:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-14 19:12:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-14 19:12:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-14 19:12:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-14 19:12:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-14 19:12:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-14 19:12:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-14 19:12:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-14 19:12:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-14 19:12:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-14 19:12:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-14 19:12:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-14 19:12:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-14 19:12:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-14 19:12:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-14 19:12:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-14 19:12:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-14 19:12:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-14 19:12:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-14 19:12:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-14 19:12:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-14 19:12:24,075 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-14 19:12:24,075 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-14 19:12:24,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-14 19:12:24,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 19:12:24,075 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 19:12:24,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-14 19:12:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-14 19:12:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-14 19:12:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-14 19:12:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-14 19:12:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-14 19:12:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 19:12:24,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 19:12:24,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-14 19:12:25,207 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 19:12:25,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:12:25 BoogieIcfgContainer [2018-11-14 19:12:25,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 19:12:25,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 19:12:25,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 19:12:25,212 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 19:12:25,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 07:12:23" (1/3) ... [2018-11-14 19:12:25,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c71784f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:12:25, skipping insertion in model container [2018-11-14 19:12:25,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:12:23" (2/3) ... [2018-11-14 19:12:25,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c71784f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:12:25, skipping insertion in model container [2018-11-14 19:12:25,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:12:25" (3/3) ... [2018-11-14 19:12:25,216 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i [2018-11-14 19:12:25,226 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 19:12:25,234 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-14 19:12:25,251 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-14 19:12:25,282 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 19:12:25,283 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 19:12:25,283 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 19:12:25,284 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 19:12:25,284 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 19:12:25,284 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 19:12:25,284 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 19:12:25,285 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 19:12:25,285 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 19:12:25,305 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-11-14 19:12:25,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-14 19:12:25,312 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 19:12:25,313 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 19:12:25,316 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 19:12:25,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 19:12:25,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1987783185, now seen corresponding path program 1 times [2018-11-14 19:12:25,324 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 19:12:25,325 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 19:12:25,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:12:25,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 19:12:25,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:12:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 19:12:25,511 INFO L256 TraceCheckUtils]: 0: Hoare triple {41#true} call ULTIMATE.init(); {41#true} is VALID [2018-11-14 19:12:25,515 INFO L273 TraceCheckUtils]: 1: Hoare triple {41#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {41#true} is VALID [2018-11-14 19:12:25,516 INFO L273 TraceCheckUtils]: 2: Hoare triple {41#true} assume true; {41#true} is VALID [2018-11-14 19:12:25,518 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {41#true} {41#true} #120#return; {41#true} is VALID [2018-11-14 19:12:25,518 INFO L256 TraceCheckUtils]: 4: Hoare triple {41#true} call #t~ret17 := main(); {41#true} is VALID [2018-11-14 19:12:25,518 INFO L273 TraceCheckUtils]: 5: Hoare triple {41#true} call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(8);~head~0.base, ~head~0.offset := #t~malloc0.base, #t~malloc0.offset;call write~$Pointer$(0, 0, ~head~0.base, ~head~0.offset + 0, 4);call write~int(0, ~head~0.base, ~head~0.offset + 4, 4);~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; {41#true} is VALID [2018-11-14 19:12:25,521 INFO L273 TraceCheckUtils]: 6: Hoare triple {41#true} assume !true; {42#false} is VALID [2018-11-14 19:12:25,521 INFO L273 TraceCheckUtils]: 7: Hoare triple {42#false} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {42#false} is VALID [2018-11-14 19:12:25,522 INFO L273 TraceCheckUtils]: 8: Hoare triple {42#false} assume #t~nondet4 != 0;havoc #t~nondet4;call #t~malloc5.base, #t~malloc5.offset := #Ultimate.alloc(8);~x~0.base, ~x~0.offset := #t~malloc5.base, #t~malloc5.offset;call write~int(1, ~x~0.base, ~x~0.offset + 4, 4);call write~$Pointer$(~head~0.base, ~head~0.offset, ~x~0.base, ~x~0.offset + 0, 4);~head~0.base, ~head~0.offset := ~x~0.base, ~x~0.offset; {42#false} is VALID [2018-11-14 19:12:25,522 INFO L273 TraceCheckUtils]: 9: Hoare triple {42#false} ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; {42#false} is VALID [2018-11-14 19:12:25,522 INFO L273 TraceCheckUtils]: 10: Hoare triple {42#false} assume !true; {42#false} is VALID [2018-11-14 19:12:25,523 INFO L273 TraceCheckUtils]: 11: Hoare triple {42#false} call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~x~0.base, ~x~0.offset + 0, 4);~x~0.base, ~x~0.offset := #t~mem13.base, #t~mem13.offset;havoc #t~mem13.base, #t~mem13.offset; {42#false} is VALID [2018-11-14 19:12:25,523 INFO L273 TraceCheckUtils]: 12: Hoare triple {42#false} assume true; {42#false} is VALID [2018-11-14 19:12:25,523 INFO L273 TraceCheckUtils]: 13: Hoare triple {42#false} assume !!(~x~0.base != 0 || ~x~0.offset != 0);call #t~mem14 := read~int(~x~0.base, ~x~0.offset + 4, 4); {42#false} is VALID [2018-11-14 19:12:25,524 INFO L273 TraceCheckUtils]: 14: Hoare triple {42#false} assume #t~mem14 == 1;havoc #t~mem14; {42#false} is VALID [2018-11-14 19:12:25,524 INFO L273 TraceCheckUtils]: 15: Hoare triple {42#false} assume true; {42#false} is VALID [2018-11-14 19:12:25,524 INFO L273 TraceCheckUtils]: 16: Hoare triple {42#false} assume true; {42#false} is VALID [2018-11-14 19:12:25,525 INFO L273 TraceCheckUtils]: 17: Hoare triple {42#false} assume !false; {42#false} is VALID [2018-11-14 19:12:25,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 19:12:25,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 19:12:25,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-14 19:12:25,537 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-14 19:12:25,540 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 19:12:25,544 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-14 19:12:25,619 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:12:25,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-14 19:12:25,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-14 19:12:25,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-14 19:12:25,630 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2018-11-14 19:12:25,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:12:25,749 INFO L93 Difference]: Finished difference Result 66 states and 93 transitions. [2018-11-14 19:12:25,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-14 19:12:25,750 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-14 19:12:25,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 19:12:25,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 19:12:25,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 93 transitions. [2018-11-14 19:12:25,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 19:12:25,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 93 transitions. [2018-11-14 19:12:25,773 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 93 transitions. [2018-11-14 19:12:26,301 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:12:26,313 INFO L225 Difference]: With dead ends: 66 [2018-11-14 19:12:26,313 INFO L226 Difference]: Without dead ends: 29 [2018-11-14 19:12:26,317 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-14 19:12:26,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-11-14 19:12:26,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-11-14 19:12:26,359 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 19:12:26,359 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand 29 states. [2018-11-14 19:12:26,360 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2018-11-14 19:12:26,360 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2018-11-14 19:12:26,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:12:26,364 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2018-11-14 19:12:26,365 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-11-14 19:12:26,365 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:12:26,366 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:12:26,366 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2018-11-14 19:12:26,366 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2018-11-14 19:12:26,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:12:26,370 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2018-11-14 19:12:26,371 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-11-14 19:12:26,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:12:26,371 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:12:26,372 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 19:12:26,372 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 19:12:26,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-14 19:12:26,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2018-11-14 19:12:26,377 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 18 [2018-11-14 19:12:26,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 19:12:26,377 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2018-11-14 19:12:26,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-14 19:12:26,378 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-11-14 19:12:26,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-14 19:12:26,379 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 19:12:26,379 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 19:12:26,379 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 19:12:26,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 19:12:26,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1712602589, now seen corresponding path program 1 times [2018-11-14 19:12:26,380 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 19:12:26,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 19:12:26,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:12:26,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 19:12:26,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:12:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 19:12:26,801 WARN L179 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2018-11-14 19:12:26,955 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: zero is neutral element of plus operator at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.UltimateNormalFormUtils.rootRespectsUltimateNormalForm(UltimateNormalFormUtils.java:83) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.UltimateNormalFormUtils.rootRespectsUltimateNormalForm(UltimateNormalFormUtils.java:128) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.UltimateNormalFormUtils.lambda$0(UltimateNormalFormUtils.java:151) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SubtermPropertyChecker$MyWalker.walk(SubtermPropertyChecker.java:63) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SubtermPropertyChecker.isPropertySatisfied(SubtermPropertyChecker.java:121) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.UltimateNormalFormUtils.respectsUltimateNormalForm(UltimateNormalFormUtils.java:152) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.BasicPredicateFactory.newPredicate(BasicPredicateFactory.java:103) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.constructNewPredicate(PredicateUnifier.java:375) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:361) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:592) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:183) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-14 19:12:26,960 INFO L168 Benchmark]: Toolchain (without parser) took 3833.08 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -674.1 MB). Peak memory consumption was 64.6 MB. Max. memory is 7.1 GB. [2018-11-14 19:12:26,962 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-14 19:12:26,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 765.72 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -807.1 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. [2018-11-14 19:12:26,963 INFO L168 Benchmark]: Boogie Preprocessor took 109.54 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2018-11-14 19:12:26,964 INFO L168 Benchmark]: RCFGBuilder took 1202.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 7.1 GB. [2018-11-14 19:12:26,965 INFO L168 Benchmark]: TraceAbstraction took 1750.04 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 53.9 MB). Peak memory consumption was 53.9 MB. Max. memory is 7.1 GB. [2018-11-14 19:12:26,970 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 765.72 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -807.1 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.54 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1202.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1750.04 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 53.9 MB). Peak memory consumption was 53.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: zero is neutral element of plus operator de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: zero is neutral element of plus operator: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.UltimateNormalFormUtils.rootRespectsUltimateNormalForm(UltimateNormalFormUtils.java:83) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...