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.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-simple-white-blue_false-unreach-call_false-valid-memcleanup.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-18e5b2d-m [2018-11-18 21:52:10,759 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 21:52:10,761 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 21:52:10,778 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 21:52:10,779 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 21:52:10,781 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 21:52:10,783 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 21:52:10,785 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 21:52:10,788 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 21:52:10,789 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 21:52:10,790 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 21:52:10,790 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 21:52:10,791 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 21:52:10,792 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 21:52:10,793 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 21:52:10,794 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 21:52:10,795 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 21:52:10,797 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 21:52:10,799 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 21:52:10,801 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 21:52:10,802 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 21:52:10,804 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 21:52:10,806 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 21:52:10,807 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 21:52:10,807 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 21:52:10,808 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 21:52:10,809 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 21:52:10,811 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 21:52:10,812 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 21:52:10,813 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 21:52:10,813 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 21:52:10,814 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 21:52:10,814 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 21:52:10,814 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 21:52:10,816 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 21:52:10,816 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 21:52:10,817 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 21:52:10,834 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 21:52:10,834 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 21:52:10,835 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 21:52:10,835 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 21:52:10,836 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 21:52:10,836 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 21:52:10,836 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 21:52:10,837 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 21:52:10,837 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 21:52:10,837 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 21:52:10,837 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 21:52:10,837 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 21:52:10,838 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 21:52:10,838 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 21:52:10,838 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 21:52:10,838 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 21:52:10,838 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 21:52:10,838 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 21:52:10,839 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 21:52:10,839 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 21:52:10,839 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 21:52:10,839 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 21:52:10,839 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 21:52:10,840 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 21:52:10,840 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 21:52:10,840 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 21:52:10,840 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 21:52:10,840 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 21:52:10,841 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 21:52:10,841 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 21:52:10,841 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 21:52:10,841 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 21:52:10,841 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 21:52:10,908 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 21:52:10,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 21:52:10,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 21:52:10,929 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 21:52:10,930 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 21:52:10,931 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-simple-white-blue_false-unreach-call_false-valid-memcleanup.i [2018-11-18 21:52:11,000 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5171f703a/88b1ae2071f94600b394e1d7fb8c6b86/FLAG8d7a9c2ae [2018-11-18 21:52:11,602 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 21:52:11,603 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-simple-white-blue_false-unreach-call_false-valid-memcleanup.i [2018-11-18 21:52:11,623 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5171f703a/88b1ae2071f94600b394e1d7fb8c6b86/FLAG8d7a9c2ae [2018-11-18 21:52:11,834 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5171f703a/88b1ae2071f94600b394e1d7fb8c6b86 [2018-11-18 21:52:11,845 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 21:52:11,847 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-18 21:52:11,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 21:52:11,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 21:52:11,854 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 21:52:11,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:52:11" (1/1) ... [2018-11-18 21:52:11,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56cce3a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:11, skipping insertion in model container [2018-11-18 21:52:11,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:52:11" (1/1) ... [2018-11-18 21:52:11,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 21:52:11,934 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 21:52:12,313 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 21:52:12,329 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 21:52:12,406 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 21:52:12,558 INFO L195 MainTranslator]: Completed translation [2018-11-18 21:52:12,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:12 WrapperNode [2018-11-18 21:52:12,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 21:52:12,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 21:52:12,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 21:52:12,560 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 21:52:12,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:12" (1/1) ... [2018-11-18 21:52:12,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:12" (1/1) ... [2018-11-18 21:52:12,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:12" (1/1) ... [2018-11-18 21:52:12,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:12" (1/1) ... [2018-11-18 21:52:12,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:12" (1/1) ... [2018-11-18 21:52:12,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:12" (1/1) ... [2018-11-18 21:52:12,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:12" (1/1) ... [2018-11-18 21:52:12,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 21:52:12,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 21:52:12,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 21:52:12,677 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 21:52:12,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:12" (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 [2018-11-18 21:52:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 21:52:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 21:52:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 21:52:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-18 21:52:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-18 21:52:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-18 21:52:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-18 21:52:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-18 21:52:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-18 21:52:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-18 21:52:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-18 21:52:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-18 21:52:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-18 21:52:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-18 21:52:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-18 21:52:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-18 21:52:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-18 21:52:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-18 21:52:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-18 21:52:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-18 21:52:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-18 21:52:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-18 21:52:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-18 21:52:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-18 21:52:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-18 21:52:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-18 21:52:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-18 21:52:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-18 21:52:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-18 21:52:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-18 21:52:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-18 21:52:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-18 21:52:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-18 21:52:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-18 21:52:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-18 21:52:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-18 21:52:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-18 21:52:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-18 21:52:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-18 21:52:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-18 21:52:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-18 21:52:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-18 21:52:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-18 21:52:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-18 21:52:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-18 21:52:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-18 21:52:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-18 21:52:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-18 21:52:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-18 21:52:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-18 21:52:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-18 21:52:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-18 21:52:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-18 21:52:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 21:52:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-18 21:52:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-18 21:52:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 21:52:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-18 21:52:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-18 21:52:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-18 21:52:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-18 21:52:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-11-18 21:52:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-18 21:52:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-18 21:52:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-11-18 21:52:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-18 21:52:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 21:52:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-11-18 21:52:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-18 21:52:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-18 21:52:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-18 21:52:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-18 21:52:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-18 21:52:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-18 21:52:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-18 21:52:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-18 21:52:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-18 21:52:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-18 21:52:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-18 21:52:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-18 21:52:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-18 21:52:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-18 21:52:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-18 21:52:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-18 21:52:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-18 21:52:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-18 21:52:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-18 21:52:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-18 21:52:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-18 21:52:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-18 21:52:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-18 21:52:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-18 21:52:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-18 21:52:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-18 21:52:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-18 21:52:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-18 21:52:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-18 21:52:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-18 21:52:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-18 21:52:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-18 21:52:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-18 21:52:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-18 21:52:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-18 21:52:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-18 21:52:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-18 21:52:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-18 21:52:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 21:52:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 21:52:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 21:52:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 21:52:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 21:52:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 21:52:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 21:52:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 21:52:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 21:52:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 21:52:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 21:52:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 21:52:13,836 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 21:52:13,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:52:13 BoogieIcfgContainer [2018-11-18 21:52:13,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 21:52:13,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 21:52:13,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 21:52:13,842 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 21:52:13,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:52:11" (1/3) ... [2018-11-18 21:52:13,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763c8a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:52:13, skipping insertion in model container [2018-11-18 21:52:13,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:12" (2/3) ... [2018-11-18 21:52:13,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763c8a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:52:13, skipping insertion in model container [2018-11-18 21:52:13,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:52:13" (3/3) ... [2018-11-18 21:52:13,845 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-simple-white-blue_false-unreach-call_false-valid-memcleanup.i [2018-11-18 21:52:13,856 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 21:52:13,866 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 21:52:13,885 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 21:52:13,917 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 21:52:13,917 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 21:52:13,918 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 21:52:13,918 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 21:52:13,918 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 21:52:13,918 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 21:52:13,918 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 21:52:13,918 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 21:52:13,919 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 21:52:13,937 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2018-11-18 21:52:13,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 21:52:13,944 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:52:13,945 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:52:13,948 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:52:13,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:52:13,954 INFO L82 PathProgramCache]: Analyzing trace with hash 805863207, now seen corresponding path program 1 times [2018-11-18 21:52:13,958 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:52:13,959 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 [2018-11-18 21:52:13,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:52:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:52:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:52:14,060 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:52:14,116 INFO L256 TraceCheckUtils]: 0: Hoare triple {39#true} call ULTIMATE.init(); {39#true} is VALID [2018-11-18 21:52:14,120 INFO L273 TraceCheckUtils]: 1: Hoare triple {39#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {39#true} is VALID [2018-11-18 21:52:14,120 INFO L273 TraceCheckUtils]: 2: Hoare triple {39#true} assume true; {39#true} is VALID [2018-11-18 21:52:14,121 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {39#true} {39#true} #118#return; {39#true} is VALID [2018-11-18 21:52:14,121 INFO L256 TraceCheckUtils]: 4: Hoare triple {39#true} call #t~ret19 := main(); {39#true} is VALID [2018-11-18 21:52:14,121 INFO L273 TraceCheckUtils]: 5: Hoare triple {39#true} call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(8bv32);~head~0.base, ~head~0.offset := #t~malloc0.base, #t~malloc0.offset;call write~$Pointer$(0bv32, 0bv32, ~head~0.base, ~head~0.offset, 4bv32);call write~intINTTYPE4(0bv32, ~head~0.base, ~bvadd32(4bv32, ~head~0.offset), 4bv32);~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; {39#true} is VALID [2018-11-18 21:52:14,122 INFO L273 TraceCheckUtils]: 6: Hoare triple {39#true} assume !true; {40#false} is VALID [2018-11-18 21:52:14,122 INFO L273 TraceCheckUtils]: 7: Hoare triple {40#false} assume 0bv32 != #t~nondet4;havoc #t~nondet4;call #t~malloc5.base, #t~malloc5.offset := #Ultimate.alloc(8bv32);~x~0.base, ~x~0.offset := #t~malloc5.base, #t~malloc5.offset;call write~intINTTYPE4(1bv32, ~x~0.base, ~bvadd32(4bv32, ~x~0.offset), 4bv32);call write~$Pointer$(~head~0.base, ~head~0.offset, ~x~0.base, ~x~0.offset, 4bv32);~head~0.base, ~head~0.offset := ~x~0.base, ~x~0.offset; {40#false} is VALID [2018-11-18 21:52:14,123 INFO L273 TraceCheckUtils]: 8: Hoare triple {40#false} ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; {40#false} is VALID [2018-11-18 21:52:14,123 INFO L273 TraceCheckUtils]: 9: Hoare triple {40#false} assume !true; {40#false} is VALID [2018-11-18 21:52:14,123 INFO L273 TraceCheckUtils]: 10: Hoare triple {40#false} call #t~mem15.base, #t~mem15.offset := read~$Pointer$(~x~0.base, ~x~0.offset, 4bv32);~x~0.base, ~x~0.offset := #t~mem15.base, #t~mem15.offset;havoc #t~mem15.base, #t~mem15.offset; {40#false} is VALID [2018-11-18 21:52:14,124 INFO L273 TraceCheckUtils]: 11: Hoare triple {40#false} assume true; {40#false} is VALID [2018-11-18 21:52:14,124 INFO L273 TraceCheckUtils]: 12: Hoare triple {40#false} assume !!(~x~0.base != 0bv32 || ~x~0.offset != 0bv32);call #t~mem16 := read~intINTTYPE4(~x~0.base, ~bvadd32(4bv32, ~x~0.offset), 4bv32); {40#false} is VALID [2018-11-18 21:52:14,124 INFO L273 TraceCheckUtils]: 13: Hoare triple {40#false} assume 1bv32 != #t~mem16;havoc #t~mem16; {40#false} is VALID [2018-11-18 21:52:14,125 INFO L273 TraceCheckUtils]: 14: Hoare triple {40#false} assume true; {40#false} is VALID [2018-11-18 21:52:14,125 INFO L273 TraceCheckUtils]: 15: Hoare triple {40#false} assume true; {40#false} is VALID [2018-11-18 21:52:14,126 INFO L273 TraceCheckUtils]: 16: Hoare triple {40#false} assume !false; {40#false} is VALID [2018-11-18 21:52:14,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:52:14,131 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:52:14,136 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:52:14,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 21:52:14,141 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-18 21:52:14,144 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:52:14,147 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-18 21:52:14,298 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:52:14,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 21:52:14,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 21:52:14,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 21:52:14,313 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2018-11-18 21:52:14,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:52:14,658 INFO L93 Difference]: Finished difference Result 63 states and 90 transitions. [2018-11-18 21:52:14,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 21:52:14,658 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-18 21:52:14,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:52:14,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-18 21:52:14,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 90 transitions. [2018-11-18 21:52:14,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-18 21:52:14,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 90 transitions. [2018-11-18 21:52:14,683 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 90 transitions. [2018-11-18 21:52:15,570 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:52:15,583 INFO L225 Difference]: With dead ends: 63 [2018-11-18 21:52:15,583 INFO L226 Difference]: Without dead ends: 27 [2018-11-18 21:52:15,587 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 21:52:15,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-18 21:52:15,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-11-18 21:52:15,643 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:52:15,643 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand 27 states. [2018-11-18 21:52:15,644 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2018-11-18 21:52:15,644 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2018-11-18 21:52:15,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:52:15,649 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2018-11-18 21:52:15,649 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2018-11-18 21:52:15,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:52:15,650 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:52:15,650 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2018-11-18 21:52:15,650 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2018-11-18 21:52:15,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:52:15,655 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2018-11-18 21:52:15,655 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2018-11-18 21:52:15,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:52:15,656 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:52:15,656 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:52:15,657 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:52:15,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-18 21:52:15,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2018-11-18 21:52:15,662 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 17 [2018-11-18 21:52:15,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:52:15,662 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2018-11-18 21:52:15,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 21:52:15,663 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2018-11-18 21:52:15,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 21:52:15,664 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:52:15,664 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] [2018-11-18 21:52:15,664 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:52:15,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:52:15,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1772746885, now seen corresponding path program 1 times [2018-11-18 21:52:15,665 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:52:15,666 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 [2018-11-18 21:52:15,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:52:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 21:52:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 21:52:15,828 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 21:52:15,906 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2018-11-18 21:52:15,906 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-18 21:52:15,910 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-18 21:52:15,910 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2018-11-18 21:52:15,910 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-18 21:52:15,911 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-18 21:52:15,911 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-18 21:52:15,911 WARN L170 areAnnotationChecker]: L995-3 has no Hoare annotation [2018-11-18 21:52:15,911 WARN L170 areAnnotationChecker]: L995-3 has no Hoare annotation [2018-11-18 21:52:15,915 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-18 21:52:15,915 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-18 21:52:15,915 WARN L170 areAnnotationChecker]: L995-1 has no Hoare annotation [2018-11-18 21:52:15,915 WARN L170 areAnnotationChecker]: L995-1 has no Hoare annotation [2018-11-18 21:52:15,916 WARN L170 areAnnotationChecker]: L995-4 has no Hoare annotation [2018-11-18 21:52:15,916 WARN L170 areAnnotationChecker]: L995-4 has no Hoare annotation [2018-11-18 21:52:15,916 WARN L170 areAnnotationChecker]: L1005-1 has no Hoare annotation [2018-11-18 21:52:15,916 WARN L170 areAnnotationChecker]: L1015-4 has no Hoare annotation [2018-11-18 21:52:15,916 WARN L170 areAnnotationChecker]: L1015-4 has no Hoare annotation [2018-11-18 21:52:15,917 WARN L170 areAnnotationChecker]: L1032-4 has no Hoare annotation [2018-11-18 21:52:15,917 WARN L170 areAnnotationChecker]: L1032-4 has no Hoare annotation [2018-11-18 21:52:15,917 WARN L170 areAnnotationChecker]: L1015-1 has no Hoare annotation [2018-11-18 21:52:15,917 WARN L170 areAnnotationChecker]: L1015-5 has no Hoare annotation [2018-11-18 21:52:15,918 WARN L170 areAnnotationChecker]: L1032-1 has no Hoare annotation [2018-11-18 21:52:15,918 WARN L170 areAnnotationChecker]: L1032-5 has no Hoare annotation [2018-11-18 21:52:15,918 WARN L170 areAnnotationChecker]: L1015-2 has no Hoare annotation [2018-11-18 21:52:15,918 WARN L170 areAnnotationChecker]: L1015-2 has no Hoare annotation [2018-11-18 21:52:15,918 WARN L170 areAnnotationChecker]: L1032-2 has no Hoare annotation [2018-11-18 21:52:15,919 WARN L170 areAnnotationChecker]: L1032-2 has no Hoare annotation [2018-11-18 21:52:15,919 WARN L170 areAnnotationChecker]: L1039-3 has no Hoare annotation [2018-11-18 21:52:15,919 WARN L170 areAnnotationChecker]: L1039-3 has no Hoare annotation [2018-11-18 21:52:15,919 WARN L170 areAnnotationChecker]: L1017 has no Hoare annotation [2018-11-18 21:52:15,919 WARN L170 areAnnotationChecker]: L1017 has no Hoare annotation [2018-11-18 21:52:15,925 WARN L170 areAnnotationChecker]: L1039-1 has no Hoare annotation [2018-11-18 21:52:15,925 WARN L170 areAnnotationChecker]: L1039-1 has no Hoare annotation [2018-11-18 21:52:15,925 WARN L170 areAnnotationChecker]: L1039-4 has no Hoare annotation [2018-11-18 21:52:15,925 WARN L170 areAnnotationChecker]: L1041 has no Hoare annotation [2018-11-18 21:52:15,926 WARN L170 areAnnotationChecker]: L1041 has no Hoare annotation [2018-11-18 21:52:15,926 WARN L170 areAnnotationChecker]: L1048-3 has no Hoare annotation [2018-11-18 21:52:15,926 WARN L170 areAnnotationChecker]: L1048-3 has no Hoare annotation [2018-11-18 21:52:15,926 WARN L170 areAnnotationChecker]: L1042-6 has no Hoare annotation [2018-11-18 21:52:15,926 WARN L170 areAnnotationChecker]: L1042-6 has no Hoare annotation [2018-11-18 21:52:15,927 WARN L170 areAnnotationChecker]: L1041-1 has no Hoare annotation [2018-11-18 21:52:15,927 WARN L170 areAnnotationChecker]: L1048-1 has no Hoare annotation [2018-11-18 21:52:15,927 WARN L170 areAnnotationChecker]: L1048-1 has no Hoare annotation [2018-11-18 21:52:15,927 WARN L170 areAnnotationChecker]: L1048-4 has no Hoare annotation [2018-11-18 21:52:15,928 WARN L170 areAnnotationChecker]: L1042-1 has no Hoare annotation [2018-11-18 21:52:15,928 WARN L170 areAnnotationChecker]: L1042-1 has no Hoare annotation [2018-11-18 21:52:15,928 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-18 21:52:15,928 WARN L170 areAnnotationChecker]: L1042-2 has no Hoare annotation [2018-11-18 21:52:15,928 WARN L170 areAnnotationChecker]: L1042-2 has no Hoare annotation [2018-11-18 21:52:15,931 WARN L170 areAnnotationChecker]: L1042-4 has no Hoare annotation [2018-11-18 21:52:15,931 WARN L170 areAnnotationChecker]: L1042-4 has no Hoare annotation [2018-11-18 21:52:15,931 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-18 21:52:15,932 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. [2018-11-18 21:52:15,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:52:15 BoogieIcfgContainer [2018-11-18 21:52:15,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 21:52:15,942 INFO L168 Benchmark]: Toolchain (without parser) took 4096.04 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 713.0 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -588.7 MB). Peak memory consumption was 124.3 MB. Max. memory is 7.1 GB. [2018-11-18 21:52:15,948 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-18 21:52:15,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.68 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 713.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -760.4 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. [2018-11-18 21:52:15,949 INFO L168 Benchmark]: Boogie Preprocessor took 116.57 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-18 21:52:15,953 INFO L168 Benchmark]: RCFGBuilder took 1160.40 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 7.1 GB. [2018-11-18 21:52:15,954 INFO L168 Benchmark]: TraceAbstraction took 2099.62 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 106.3 MB). Peak memory consumption was 106.3 MB. Max. memory is 7.1 GB. [2018-11-18 21:52:15,965 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 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.68 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 713.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -760.4 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.57 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1160.40 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2099.62 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 106.3 MB). Peak memory consumption was 106.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1042]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; VAL [head={1:0}, malloc(sizeof(SLL))={1:0}, x={1:0}] [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND TRUE __VERIFIER_nondet_int() [L1006] EXPR, FCALL malloc(sizeof(SLL)) [L1006] x = malloc(sizeof(SLL)) [L1007] FCALL x->data = 1 [L1008] FCALL x->next = head [L1009] head = x VAL [head={-2130705344:0}, malloc(sizeof(SLL))={-2130705344:0}, malloc(sizeof(SLL))={1:0}, x={-2130705344:0}] [L1029] x = head VAL [head={-2130705344:0}, malloc(sizeof(SLL))={-2130705344:0}, malloc(sizeof(SLL))={1:0}, x={-2130705344:0}] [L1032] EXPR, FCALL x->data VAL [head={-2130705344:0}, malloc(sizeof(SLL))={-2130705344:0}, malloc(sizeof(SLL))={1:0}, x={-2130705344:0}, x->data=1] [L1032] COND FALSE !(x->data != 1) [L1038] EXPR, FCALL x->next [L1038] x = x->next [L1039] COND TRUE \read(*x) [L1041] EXPR, FCALL x->data VAL [head={-2130705344:0}, malloc(sizeof(SLL))={-2130705344:0}, malloc(sizeof(SLL))={1:0}, x={1:0}, x->data=0] [L1041] COND TRUE x->data != 1 [L1042] COND TRUE !(0) VAL [head={-2130705344:0}, malloc(sizeof(SLL))={-2130705344:0}, malloc(sizeof(SLL))={1:0}, x={1:0}] [L1042] __VERIFIER_error() VAL [head={-2130705344:0}, malloc(sizeof(SLL))={-2130705344:0}, malloc(sizeof(SLL))={1:0}, x={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 36 locations, 1 error locations. UNSAFE Result, 1.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 1.2s 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, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred 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, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 63 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...