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_Bitvector-Const.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 18:15:02,630 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 18:15:02,632 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 18:15:02,646 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 18:15:02,646 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 18:15:02,648 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 18:15:02,649 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 18:15:02,651 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 18:15:02,652 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 18:15:02,653 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 18:15:02,654 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 18:15:02,654 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 18:15:02,655 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 18:15:02,656 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 18:15:02,657 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 18:15:02,658 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 18:15:02,659 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 18:15:02,661 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 18:15:02,663 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 18:15:02,664 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 18:15:02,666 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 18:15:02,667 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 18:15:02,669 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-14 18:15:02,670 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-14 18:15:02,670 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-14 18:15:02,671 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-14 18:15:02,672 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-14 18:15:02,676 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-14 18:15:02,677 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-14 18:15:02,678 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-14 18:15:02,678 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-14 18:15:02,681 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-14 18:15:02,681 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-14 18:15:02,681 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-14 18:15:02,684 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-14 18:15:02,685 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-14 18:15:02,686 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector-Const.epf [2018-11-14 18:15:02,717 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 18:15:02,718 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 18:15:02,718 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 18:15:02,720 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 18:15:02,721 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 18:15:02,721 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 18:15:02,721 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 18:15:02,721 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 18:15:02,722 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 18:15:02,723 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 18:15:02,723 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 18:15:02,723 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 18:15:02,723 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 18:15:02,723 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 18:15:02,723 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-14 18:15:02,724 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-14 18:15:02,724 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 18:15:02,724 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 18:15:02,724 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-14 18:15:02,724 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 18:15:02,726 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 18:15:02,726 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 18:15:02,726 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 18:15:02,726 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 18:15:02,727 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 18:15:02,727 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 18:15:02,727 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 18:15:02,727 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 18:15:02,727 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-14 18:15:02,728 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 18:15:02,728 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-14 18:15:02,728 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-14 18:15:02,728 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 18:15:02,783 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 18:15:02,801 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 18:15:02,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 18:15:02,806 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 18:15:02,807 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 18:15:02,808 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-14 18:15:02,877 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4182c099e/105c91ede5824917870128ec05544641/FLAG2f3d19c3b [2018-11-14 18:15:03,462 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 18:15:03,463 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-14 18:15:03,477 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4182c099e/105c91ede5824917870128ec05544641/FLAG2f3d19c3b [2018-11-14 18:15:03,491 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4182c099e/105c91ede5824917870128ec05544641 [2018-11-14 18:15:03,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 18:15:03,502 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 18:15:03,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 18:15:03,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 18:15:03,507 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 18:15:03,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 06:15:03" (1/1) ... [2018-11-14 18:15:03,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7819fc6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:15:03, skipping insertion in model container [2018-11-14 18:15:03,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 06:15:03" (1/1) ... [2018-11-14 18:15:03,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 18:15:03,571 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 18:15:03,917 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 18:15:03,933 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 18:15:04,030 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 18:15:04,177 INFO L195 MainTranslator]: Completed translation [2018-11-14 18:15:04,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:15:04 WrapperNode [2018-11-14 18:15:04,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 18:15:04,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 18:15:04,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 18:15:04,179 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 18:15:04,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:15:04" (1/1) ... [2018-11-14 18:15:04,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:15:04" (1/1) ... [2018-11-14 18:15:04,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:15:04" (1/1) ... [2018-11-14 18:15:04,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:15:04" (1/1) ... [2018-11-14 18:15:04,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:15:04" (1/1) ... [2018-11-14 18:15:04,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:15:04" (1/1) ... [2018-11-14 18:15:04,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:15:04" (1/1) ... [2018-11-14 18:15:04,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 18:15:04,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 18:15:04,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 18:15:04,271 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 18:15:04,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:15:04" (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 18:15:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 18:15:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 18:15:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 18:15:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-14 18:15:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-14 18:15:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-14 18:15:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-14 18:15:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-14 18:15:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-14 18:15:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-14 18:15:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-14 18:15:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-14 18:15:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-14 18:15:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-14 18:15:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-14 18:15:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-14 18:15:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-14 18:15:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-14 18:15:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-14 18:15:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-14 18:15:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-14 18:15:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-14 18:15:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-14 18:15:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-14 18:15:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-14 18:15:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-14 18:15:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-14 18:15:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-14 18:15:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-14 18:15:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-14 18:15:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-14 18:15:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-14 18:15:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-14 18:15:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-14 18:15:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-14 18:15:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-14 18:15:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-14 18:15:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-14 18:15:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-14 18:15:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-14 18:15:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-14 18:15:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-14 18:15:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-14 18:15:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-14 18:15:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-14 18:15:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-14 18:15:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-14 18:15:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-14 18:15:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-14 18:15:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-14 18:15:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-14 18:15:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-14 18:15:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-14 18:15:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-14 18:15:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-14 18:15:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-14 18:15:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-14 18:15:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-14 18:15:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-14 18:15:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-14 18:15:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-14 18:15:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-11-14 18:15:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-14 18:15:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-14 18:15:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-11-14 18:15:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-14 18:15:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-14 18:15:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-11-14 18:15:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-14 18:15:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-14 18:15:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-14 18:15:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-14 18:15:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-14 18:15:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-14 18:15:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-14 18:15:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-14 18:15:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-14 18:15:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-14 18:15:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-14 18:15:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-14 18:15:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-14 18:15:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-14 18:15:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-14 18:15:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-14 18:15:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-14 18:15:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-14 18:15:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-14 18:15:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-14 18:15:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-14 18:15:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-14 18:15:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-14 18:15:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-14 18:15:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-14 18:15:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-14 18:15:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-14 18:15:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-14 18:15:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-14 18:15:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-14 18:15:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-14 18:15:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-14 18:15:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-14 18:15:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-14 18:15:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-14 18:15:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-14 18:15:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-14 18:15:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-14 18:15:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-14 18:15:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 18:15:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 18:15:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-14 18:15:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-14 18:15:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-14 18:15:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-14 18:15:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-14 18:15:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-14 18:15:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 18:15:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 18:15:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-14 18:15:05,475 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 18:15:05,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 06:15:05 BoogieIcfgContainer [2018-11-14 18:15:05,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 18:15:05,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 18:15:05,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 18:15:05,480 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 18:15:05,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 06:15:03" (1/3) ... [2018-11-14 18:15:05,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77eff994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 06:15:05, skipping insertion in model container [2018-11-14 18:15:05,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:15:04" (2/3) ... [2018-11-14 18:15:05,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77eff994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 06:15:05, skipping insertion in model container [2018-11-14 18:15:05,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 06:15:05" (3/3) ... [2018-11-14 18:15:05,484 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-14 18:15:05,494 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 18:15:05,503 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-14 18:15:05,521 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-14 18:15:05,559 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 18:15:05,560 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 18:15:05,560 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 18:15:05,560 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 18:15:05,561 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 18:15:05,561 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 18:15:05,561 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 18:15:05,561 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 18:15:05,561 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 18:15:05,578 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2018-11-14 18:15:05,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-14 18:15:05,585 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 18:15:05,586 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 18:15:05,588 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 18:15:05,594 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 18:15:05,595 INFO L82 PathProgramCache]: Analyzing trace with hash -228325812, now seen corresponding path program 1 times [2018-11-14 18:15:05,599 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 18:15:05,600 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 18:15:05,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 18:15:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 18:15:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 18:15:05,707 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 18:15:05,897 INFO L256 TraceCheckUtils]: 0: Hoare triple {36#true} call ULTIMATE.init(); {36#true} is VALID [2018-11-14 18:15:05,900 INFO L273 TraceCheckUtils]: 1: Hoare triple {36#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {36#true} is VALID [2018-11-14 18:15:05,901 INFO L273 TraceCheckUtils]: 2: Hoare triple {36#true} assume true; {36#true} is VALID [2018-11-14 18:15:05,901 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {36#true} {36#true} #107#return; {36#true} is VALID [2018-11-14 18:15:05,901 INFO L256 TraceCheckUtils]: 4: Hoare triple {36#true} call #t~ret19 := main(); {36#true} is VALID [2018-11-14 18:15:05,902 INFO L273 TraceCheckUtils]: 5: Hoare triple {36#true} call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(12bv32);~head~0.base, ~head~0.offset := #t~malloc0.base, #t~malloc0.offset;call write~$Pointer$(0bv32, 0bv32, ~head~0.base, ~head~0.offset, 4bv32); {36#true} is VALID [2018-11-14 18:15:05,902 INFO L273 TraceCheckUtils]: 6: Hoare triple {36#true} assume #t~nondet1 != 0bv32;havoc #t~nondet1;call write~intINTTYPE4(2bv32, ~head~0.base, ~bvadd32(8bv32, ~head~0.offset), 4bv32);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(12bv32);call write~$Pointer$(#t~malloc2.base, #t~malloc2.offset, ~head~0.base, ~bvadd32(4bv32, ~head~0.offset), 4bv32);call #t~mem3.base, #t~mem3.offset := read~$Pointer$(~head~0.base, ~bvadd32(4bv32, ~head~0.offset), 4bv32);call write~$Pointer$(0bv32, 0bv32, #t~mem3.base, #t~mem3.offset, 4bv32);havoc #t~mem3.base, #t~mem3.offset; {36#true} is VALID [2018-11-14 18:15:05,902 INFO L273 TraceCheckUtils]: 7: Hoare triple {36#true} ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; {36#true} is VALID [2018-11-14 18:15:05,903 INFO L273 TraceCheckUtils]: 8: Hoare triple {36#true} assume !true; {37#false} is VALID [2018-11-14 18:15:05,904 INFO L273 TraceCheckUtils]: 9: Hoare triple {37#false} ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; {37#false} is VALID [2018-11-14 18:15:05,904 INFO L273 TraceCheckUtils]: 10: Hoare triple {37#false} assume true; {37#false} is VALID [2018-11-14 18:15:05,904 INFO L273 TraceCheckUtils]: 11: Hoare triple {37#false} assume !!(~x~0.base != 0bv32 || ~x~0.offset != 0bv32); {37#false} is VALID [2018-11-14 18:15:05,904 INFO L273 TraceCheckUtils]: 12: Hoare triple {37#false} assume true;call #t~mem12 := read~intINTTYPE4(~x~0.base, ~bvadd32(8bv32, ~x~0.offset), 4bv32);#t~short14 := #t~mem12 == 2bv32; {37#false} is VALID [2018-11-14 18:15:05,905 INFO L273 TraceCheckUtils]: 13: Hoare triple {37#false} assume #t~short14;call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~x~0.base, ~bvadd32(4bv32, ~x~0.offset), 4bv32);#t~short14 := #t~mem13.base == ~x~0.base && #t~mem13.offset == ~x~0.offset; {37#false} is VALID [2018-11-14 18:15:05,905 INFO L273 TraceCheckUtils]: 14: Hoare triple {37#false} assume !#t~short14;havoc #t~mem12;havoc #t~short14;havoc #t~mem13.base, #t~mem13.offset; {37#false} is VALID [2018-11-14 18:15:05,905 INFO L273 TraceCheckUtils]: 15: Hoare triple {37#false} assume !false; {37#false} is VALID [2018-11-14 18:15:05,909 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 18:15:05,909 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-14 18:15:05,913 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 18:15:05,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-14 18:15:05,917 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-11-14 18:15:05,920 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 18:15:05,924 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-14 18:15:05,989 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 18:15:05,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-14 18:15:05,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-14 18:15:05,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-14 18:15:06,001 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2018-11-14 18:15:06,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:15:06,456 INFO L93 Difference]: Finished difference Result 53 states and 75 transitions. [2018-11-14 18:15:06,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-14 18:15:06,456 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-11-14 18:15:06,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 18:15:06,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 18:15:06,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 75 transitions. [2018-11-14 18:15:06,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 18:15:06,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 75 transitions. [2018-11-14 18:15:06,494 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 75 transitions. [2018-11-14 18:15:07,032 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 18:15:07,043 INFO L225 Difference]: With dead ends: 53 [2018-11-14 18:15:07,043 INFO L226 Difference]: Without dead ends: 23 [2018-11-14 18:15:07,047 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 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 18:15:07,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-11-14 18:15:07,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-11-14 18:15:07,096 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 18:15:07,097 INFO L82 GeneralOperation]: Start isEquivalent. First operand 23 states. Second operand 23 states. [2018-11-14 18:15:07,097 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2018-11-14 18:15:07,098 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2018-11-14 18:15:07,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:15:07,102 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2018-11-14 18:15:07,102 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2018-11-14 18:15:07,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 18:15:07,103 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 18:15:07,103 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2018-11-14 18:15:07,103 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2018-11-14 18:15:07,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:15:07,108 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2018-11-14 18:15:07,108 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2018-11-14 18:15:07,109 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 18:15:07,109 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 18:15:07,109 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 18:15:07,109 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 18:15:07,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-14 18:15:07,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2018-11-14 18:15:07,114 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 29 transitions. Word has length 16 [2018-11-14 18:15:07,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 18:15:07,114 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 29 transitions. [2018-11-14 18:15:07,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-14 18:15:07,114 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2018-11-14 18:15:07,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-14 18:15:07,115 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 18:15:07,115 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 18:15:07,116 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 18:15:07,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 18:15:07,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1794852595, now seen corresponding path program 1 times [2018-11-14 18:15:07,117 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 18:15:07,117 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 18:15:07,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 18:15:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-14 18:15:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (3)] Exception during sending of exit command (exit): Broken pipe [2018-11-14 18:15:07,276 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-14 18:15:07,308 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2018-11-14 18:15:07,308 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-14 18:15:07,310 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-14 18:15:07,310 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2018-11-14 18:15:07,310 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-14 18:15:07,310 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-14 18:15:07,310 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-14 18:15:07,310 WARN L170 areAnnotationChecker]: L987 has no Hoare annotation [2018-11-14 18:15:07,310 WARN L170 areAnnotationChecker]: L987 has no Hoare annotation [2018-11-14 18:15:07,311 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-14 18:15:07,311 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-14 18:15:07,311 WARN L170 areAnnotationChecker]: L987-4 has no Hoare annotation [2018-11-14 18:15:07,311 WARN L170 areAnnotationChecker]: L987-2 has no Hoare annotation [2018-11-14 18:15:07,311 WARN L170 areAnnotationChecker]: L987-2 has no Hoare annotation [2018-11-14 18:15:07,311 WARN L170 areAnnotationChecker]: L990-7 has no Hoare annotation [2018-11-14 18:15:07,312 WARN L170 areAnnotationChecker]: L990-7 has no Hoare annotation [2018-11-14 18:15:07,315 WARN L170 areAnnotationChecker]: L990-1 has no Hoare annotation [2018-11-14 18:15:07,315 WARN L170 areAnnotationChecker]: L990-1 has no Hoare annotation [2018-11-14 18:15:07,315 WARN L170 areAnnotationChecker]: L990-8 has no Hoare annotation [2018-11-14 18:15:07,315 WARN L170 areAnnotationChecker]: L990-3 has no Hoare annotation [2018-11-14 18:15:07,315 WARN L170 areAnnotationChecker]: L990-3 has no Hoare annotation [2018-11-14 18:15:07,315 WARN L170 areAnnotationChecker]: L994-3 has no Hoare annotation [2018-11-14 18:15:07,316 WARN L170 areAnnotationChecker]: L994-3 has no Hoare annotation [2018-11-14 18:15:07,316 WARN L170 areAnnotationChecker]: L990-5 has no Hoare annotation [2018-11-14 18:15:07,316 WARN L170 areAnnotationChecker]: L990-5 has no Hoare annotation [2018-11-14 18:15:07,316 WARN L170 areAnnotationChecker]: L994-1 has no Hoare annotation [2018-11-14 18:15:07,316 WARN L170 areAnnotationChecker]: L994-1 has no Hoare annotation [2018-11-14 18:15:07,316 WARN L170 areAnnotationChecker]: L994-4 has no Hoare annotation [2018-11-14 18:15:07,316 WARN L170 areAnnotationChecker]: L996-8 has no Hoare annotation [2018-11-14 18:15:07,319 WARN L170 areAnnotationChecker]: L996-8 has no Hoare annotation [2018-11-14 18:15:07,319 WARN L170 areAnnotationChecker]: L1002-3 has no Hoare annotation [2018-11-14 18:15:07,319 WARN L170 areAnnotationChecker]: L1002-3 has no Hoare annotation [2018-11-14 18:15:07,319 WARN L170 areAnnotationChecker]: L996-1 has no Hoare annotation [2018-11-14 18:15:07,319 WARN L170 areAnnotationChecker]: L996-1 has no Hoare annotation [2018-11-14 18:15:07,319 WARN L170 areAnnotationChecker]: L996-9 has no Hoare annotation [2018-11-14 18:15:07,320 WARN L170 areAnnotationChecker]: L1002-1 has no Hoare annotation [2018-11-14 18:15:07,320 WARN L170 areAnnotationChecker]: L1002-1 has no Hoare annotation [2018-11-14 18:15:07,320 WARN L170 areAnnotationChecker]: L1002-4 has no Hoare annotation [2018-11-14 18:15:07,320 WARN L170 areAnnotationChecker]: L996-3 has no Hoare annotation [2018-11-14 18:15:07,320 WARN L170 areAnnotationChecker]: L996-3 has no Hoare annotation [2018-11-14 18:15:07,320 WARN L170 areAnnotationChecker]: L1006 has no Hoare annotation [2018-11-14 18:15:07,320 WARN L170 areAnnotationChecker]: L1006 has no Hoare annotation [2018-11-14 18:15:07,321 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-14 18:15:07,321 WARN L170 areAnnotationChecker]: L996-4 has no Hoare annotation [2018-11-14 18:15:07,321 WARN L170 areAnnotationChecker]: L996-4 has no Hoare annotation [2018-11-14 18:15:07,321 WARN L170 areAnnotationChecker]: L996-6 has no Hoare annotation [2018-11-14 18:15:07,321 WARN L170 areAnnotationChecker]: L996-6 has no Hoare annotation [2018-11-14 18:15:07,321 WARN L170 areAnnotationChecker]: L1006-2 has no Hoare annotation [2018-11-14 18:15:07,322 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-14 18:15:07,322 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-14 18:15:07,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 06:15:07 BoogieIcfgContainer [2018-11-14 18:15:07,325 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-14 18:15:07,326 INFO L168 Benchmark]: Toolchain (without parser) took 3824.50 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.9 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -631.8 MB). Peak memory consumption was 122.1 MB. Max. memory is 7.1 GB. [2018-11-14 18:15:07,328 INFO L168 Benchmark]: CDTParser took 0.23 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 18:15:07,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.24 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -801.8 MB). Peak memory consumption was 38.9 MB. Max. memory is 7.1 GB. [2018-11-14 18:15:07,330 INFO L168 Benchmark]: Boogie Preprocessor took 91.93 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-14 18:15:07,330 INFO L168 Benchmark]: RCFGBuilder took 1204.89 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: 78.2 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. [2018-11-14 18:15:07,331 INFO L168 Benchmark]: TraceAbstraction took 1847.82 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: 91.7 MB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. [2018-11-14 18:15:07,336 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 0.23 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 675.24 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -801.8 MB). Peak memory consumption was 38.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.93 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1204.89 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: 78.2 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1847.82 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: 91.7 MB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 996]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) VAL [head={-1998011009:0}, malloc(sizeof(SLL))={-1998011009:0}] [L987] COND TRUE __VERIFIER_nondet_int() [L987] FCALL head->data = 2 [L987] EXPR, FCALL malloc(sizeof(SLL)) [L987] FCALL head->opt = malloc(sizeof(SLL)) [L987] EXPR, FCALL head->opt [L987] FCALL head->opt->next = ((void*)0) [L988] SLL* x = head; VAL [head={-1998011009:0}, malloc(sizeof(SLL))={-1998011009:0}, malloc(sizeof(SLL))={1094721665:0}, x={-1998011009:0}] [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head VAL [head={-1998011009:0}, malloc(sizeof(SLL))={-1998011009:0}, malloc(sizeof(SLL))={1094721665:0}, x={-1998011009:0}] [L994] COND TRUE x != ((void*)0) VAL [head={-1998011009:0}, malloc(sizeof(SLL))={-1998011009:0}, malloc(sizeof(SLL))={1094721665:0}, x={-1998011009:0}] [L996] EXPR, FCALL x->data [L996] EXPR x->data == 2 && x->opt == x [L996] EXPR, FCALL x->opt [L996] EXPR x->data == 2 && x->opt == x VAL [head={-1998011009:0}, malloc(sizeof(SLL))={-1998011009:0}, malloc(sizeof(SLL))={1094721665:0}, x={-1998011009:0}, x->data=2, x->data == 2 && x->opt == x=0, x->opt={1094721665:0}] [L996] COND TRUE !(x->data == 2 && x->opt == x) [L996] __VERIFIER_error() VAL [head={-1998011009:0}, malloc(sizeof(SLL))={-1998011009:0}, malloc(sizeof(SLL))={1094721665:0}, x={-1998011009:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 33 locations, 1 error locations. UNSAFE Result, 1.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 41 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 225 SizeOfPredicates, 0 NumberOfNonLiveVariables, 58 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...