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-optional_false-unreach-call_false-valid-memcleanup.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-18e5b2d-m [2018-11-18 21:51:48,936 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 21:51:48,939 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 21:51:48,955 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 21:51:48,955 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 21:51:48,957 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 21:51:48,959 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 21:51:48,962 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 21:51:48,964 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 21:51:48,970 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 21:51:48,971 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 21:51:48,974 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 21:51:48,975 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 21:51:48,976 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 21:51:48,979 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 21:51:48,980 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 21:51:48,981 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 21:51:48,984 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 21:51:48,989 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 21:51:48,991 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 21:51:48,993 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 21:51:48,994 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 21:51:48,998 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 21:51:48,998 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 21:51:48,998 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 21:51:48,999 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 21:51:49,002 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 21:51:49,002 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 21:51:49,003 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 21:51:49,004 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 21:51:49,004 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 21:51:49,005 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 21:51:49,005 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 21:51:49,005 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 21:51:49,006 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 21:51:49,007 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 21:51:49,007 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 21:51:49,032 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 21:51:49,032 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 21:51:49,033 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 21:51:49,033 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 21:51:49,035 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 21:51:49,035 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 21:51:49,035 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 21:51:49,035 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 21:51:49,035 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 21:51:49,036 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 21:51:49,036 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 21:51:49,036 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 21:51:49,036 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 21:51:49,036 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 21:51:49,037 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 21:51:49,037 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 21:51:49,037 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 21:51:49,037 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 21:51:49,037 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 21:51:49,038 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 21:51:49,038 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 21:51:49,038 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 21:51:49,038 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 21:51:49,038 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 21:51:49,038 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 21:51:49,040 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 21:51:49,040 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 21:51:49,041 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 21:51:49,041 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 21:51:49,041 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 21:51:49,041 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 21:51:49,041 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 21:51:49,041 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 21:51:49,089 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 21:51:49,101 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 21:51:49,104 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 21:51:49,105 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 21:51:49,105 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 21:51:49,106 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-18 21:51:49,172 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1204ef2d/e87805b39b7e46278e4281f8c7c572e1/FLAG13b0da184 [2018-11-18 21:51:49,655 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 21:51:49,655 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-18 21:51:49,667 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1204ef2d/e87805b39b7e46278e4281f8c7c572e1/FLAG13b0da184 [2018-11-18 21:51:49,953 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1204ef2d/e87805b39b7e46278e4281f8c7c572e1 [2018-11-18 21:51:49,964 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 21:51:49,966 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-18 21:51:49,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 21:51:49,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 21:51:49,971 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 21:51:49,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:51:49" (1/1) ... [2018-11-18 21:51:49,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@488a96ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:49, skipping insertion in model container [2018-11-18 21:51:49,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:51:49" (1/1) ... [2018-11-18 21:51:49,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 21:51:50,053 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 21:51:50,430 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 21:51:50,446 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 21:51:50,501 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 21:51:50,641 INFO L195 MainTranslator]: Completed translation [2018-11-18 21:51:50,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:50 WrapperNode [2018-11-18 21:51:50,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 21:51:50,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 21:51:50,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 21:51:50,644 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 21:51:50,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:50" (1/1) ... [2018-11-18 21:51:50,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:50" (1/1) ... [2018-11-18 21:51:50,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:50" (1/1) ... [2018-11-18 21:51:50,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:50" (1/1) ... [2018-11-18 21:51:50,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:50" (1/1) ... [2018-11-18 21:51:50,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:50" (1/1) ... [2018-11-18 21:51:50,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:50" (1/1) ... [2018-11-18 21:51:50,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 21:51:50,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 21:51:50,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 21:51:50,769 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 21:51:50,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:50" (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 21:51:50,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 21:51:50,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 21:51:50,829 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 21:51:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-18 21:51:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-18 21:51:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-18 21:51:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-18 21:51:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-18 21:51:50,830 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-18 21:51:50,830 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-18 21:51:50,830 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-18 21:51:50,830 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-18 21:51:50,830 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-18 21:51:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-18 21:51:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-18 21:51:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-18 21:51:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-18 21:51:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-18 21:51:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-18 21:51:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-18 21:51:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-18 21:51:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-18 21:51:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-18 21:51:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-18 21:51:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-18 21:51:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-18 21:51:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-18 21:51:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-18 21:51:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-18 21:51:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-18 21:51:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-18 21:51:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-18 21:51:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-18 21:51:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-18 21:51:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-18 21:51:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-18 21:51:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-18 21:51:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-18 21:51:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-18 21:51:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-18 21:51:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-18 21:51:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-18 21:51:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-18 21:51:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-18 21:51:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-18 21:51:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-18 21:51:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-18 21:51:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-18 21:51:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-18 21:51:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-18 21:51:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-18 21:51:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-18 21:51:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-18 21:51:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 21:51:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-18 21:51:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-18 21:51:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 21:51:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-18 21:51:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-18 21:51:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-18 21:51:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-18 21:51:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-11-18 21:51:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-18 21:51:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-18 21:51:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-11-18 21:51:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-18 21:51:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 21:51:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-11-18 21:51:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-18 21:51:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-18 21:51:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-18 21:51:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-18 21:51:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-18 21:51:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-18 21:51:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-18 21:51:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-18 21:51:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-18 21:51:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-18 21:51:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-18 21:51:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-18 21:51:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-18 21:51:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-18 21:51:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-18 21:51:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-18 21:51:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-18 21:51:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-18 21:51:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-18 21:51:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-18 21:51:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-18 21:51:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-18 21:51:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-18 21:51:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-18 21:51:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-18 21:51:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-18 21:51:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-18 21:51:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-18 21:51:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-18 21:51:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-18 21:51:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-18 21:51:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-18 21:51:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-18 21:51:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-18 21:51:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-18 21:51:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-18 21:51:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-18 21:51:50,850 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-18 21:51:50,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 21:51:50,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 21:51:50,850 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 21:51:50,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 21:51:50,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 21:51:50,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 21:51:50,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 21:51:50,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 21:51:50,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 21:51:50,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 21:51:50,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 21:51:50,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 21:51:51,760 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 21:51:51,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:51:51 BoogieIcfgContainer [2018-11-18 21:51:51,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 21:51:51,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 21:51:51,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 21:51:51,765 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 21:51:51,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:51:49" (1/3) ... [2018-11-18 21:51:51,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed57840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:51:51, skipping insertion in model container [2018-11-18 21:51:51,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:50" (2/3) ... [2018-11-18 21:51:51,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed57840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:51:51, skipping insertion in model container [2018-11-18 21:51:51,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:51:51" (3/3) ... [2018-11-18 21:51:51,769 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-18 21:51:51,779 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 21:51:51,788 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 21:51:51,806 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 21:51:51,839 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 21:51:51,839 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 21:51:51,840 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 21:51:51,840 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 21:51:51,840 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 21:51:51,840 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 21:51:51,841 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 21:51:51,841 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 21:51:51,841 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 21:51:51,860 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2018-11-18 21:51:51,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 21:51:51,867 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:51:51,868 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:51:51,871 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:51:51,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:51:51,878 INFO L82 PathProgramCache]: Analyzing trace with hash -228325812, now seen corresponding path program 1 times [2018-11-18 21:51:51,883 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:51:51,884 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 21:51:51,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:51:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:51:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:51:52,000 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:51:52,205 INFO L256 TraceCheckUtils]: 0: Hoare triple {36#true} call ULTIMATE.init(); {36#true} is VALID [2018-11-18 21:51:52,208 INFO L273 TraceCheckUtils]: 1: Hoare triple {36#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {36#true} is VALID [2018-11-18 21:51:52,209 INFO L273 TraceCheckUtils]: 2: Hoare triple {36#true} assume true; {36#true} is VALID [2018-11-18 21:51:52,209 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {36#true} {36#true} #107#return; {36#true} is VALID [2018-11-18 21:51:52,210 INFO L256 TraceCheckUtils]: 4: Hoare triple {36#true} call #t~ret19 := main(); {36#true} is VALID [2018-11-18 21:51:52,210 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 [2018-11-18 21:51:52,210 INFO L273 TraceCheckUtils]: 6: Hoare triple {36#true} assume 0bv32 != #t~nondet1;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 [2018-11-18 21:51:52,211 INFO L273 TraceCheckUtils]: 7: Hoare triple {36#true} ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; {36#true} is VALID [2018-11-18 21:51:52,221 INFO L273 TraceCheckUtils]: 8: Hoare triple {36#true} assume !true; {37#false} is VALID [2018-11-18 21:51:52,222 INFO L273 TraceCheckUtils]: 9: Hoare triple {37#false} ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; {37#false} is VALID [2018-11-18 21:51:52,222 INFO L273 TraceCheckUtils]: 10: Hoare triple {37#false} assume true; {37#false} is VALID [2018-11-18 21:51:52,223 INFO L273 TraceCheckUtils]: 11: Hoare triple {37#false} assume !!(~x~0.base != 0bv32 || ~x~0.offset != 0bv32); {37#false} is VALID [2018-11-18 21:51:52,223 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 := 2bv32 == #t~mem12; {37#false} is VALID [2018-11-18 21:51:52,223 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 [2018-11-18 21:51:52,224 INFO L273 TraceCheckUtils]: 14: Hoare triple {37#false} assume !#t~short14;havoc #t~mem13.base, #t~mem13.offset;havoc #t~mem12;havoc #t~short14; {37#false} is VALID [2018-11-18 21:51:52,224 INFO L273 TraceCheckUtils]: 15: Hoare triple {37#false} assume !false; {37#false} is VALID [2018-11-18 21:51:52,228 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 21:51:52,229 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:51:52,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:51:52,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 21:51:52,241 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-11-18 21:51:52,244 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:51:52,248 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-18 21:51:52,373 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:51:52,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 21:51:52,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 21:51:52,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 21:51:52,385 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2018-11-18 21:51:52,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:51:52,740 INFO L93 Difference]: Finished difference Result 53 states and 75 transitions. [2018-11-18 21:51:52,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 21:51:52,740 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-11-18 21:51:52,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:51:52,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-18 21:51:52,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 75 transitions. [2018-11-18 21:51:52,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-18 21:51:52,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 75 transitions. [2018-11-18 21:51:52,760 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 75 transitions. [2018-11-18 21:51:53,557 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:51:53,571 INFO L225 Difference]: With dead ends: 53 [2018-11-18 21:51:53,571 INFO L226 Difference]: Without dead ends: 23 [2018-11-18 21:51:53,575 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 [2018-11-18 21:51:53,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-11-18 21:51:53,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-11-18 21:51:53,635 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:51:53,636 INFO L82 GeneralOperation]: Start isEquivalent. First operand 23 states. Second operand 23 states. [2018-11-18 21:51:53,636 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2018-11-18 21:51:53,637 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2018-11-18 21:51:53,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:51:53,643 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2018-11-18 21:51:53,643 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2018-11-18 21:51:53,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:51:53,644 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:51:53,644 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2018-11-18 21:51:53,644 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2018-11-18 21:51:53,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:51:53,649 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2018-11-18 21:51:53,650 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2018-11-18 21:51:53,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:51:53,650 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:51:53,651 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:51:53,652 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:51:53,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-18 21:51:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2018-11-18 21:51:53,656 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 29 transitions. Word has length 16 [2018-11-18 21:51:53,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:51:53,658 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 29 transitions. [2018-11-18 21:51:53,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 21:51:53,658 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2018-11-18 21:51:53,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 21:51:53,660 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:51:53,660 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 21:51:53,661 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:51:53,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:51:53,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1794852595, now seen corresponding path program 1 times [2018-11-18 21:51:53,662 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:51:53,662 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 21:51:53,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:51:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 21:51:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 21:51:53,889 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 21:51:53,953 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2018-11-18 21:51:53,953 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-18 21:51:53,953 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-18 21:51:53,953 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2018-11-18 21:51:53,953 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-18 21:51:53,953 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-18 21:51:53,959 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-18 21:51:53,959 WARN L170 areAnnotationChecker]: L987 has no Hoare annotation [2018-11-18 21:51:53,959 WARN L170 areAnnotationChecker]: L987 has no Hoare annotation [2018-11-18 21:51:53,959 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-18 21:51:53,959 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-18 21:51:53,960 WARN L170 areAnnotationChecker]: L987-4 has no Hoare annotation [2018-11-18 21:51:53,960 WARN L170 areAnnotationChecker]: L987-2 has no Hoare annotation [2018-11-18 21:51:53,960 WARN L170 areAnnotationChecker]: L987-2 has no Hoare annotation [2018-11-18 21:51:53,960 WARN L170 areAnnotationChecker]: L990-7 has no Hoare annotation [2018-11-18 21:51:53,960 WARN L170 areAnnotationChecker]: L990-7 has no Hoare annotation [2018-11-18 21:51:53,960 WARN L170 areAnnotationChecker]: L990-1 has no Hoare annotation [2018-11-18 21:51:53,960 WARN L170 areAnnotationChecker]: L990-1 has no Hoare annotation [2018-11-18 21:51:53,964 WARN L170 areAnnotationChecker]: L990-8 has no Hoare annotation [2018-11-18 21:51:53,964 WARN L170 areAnnotationChecker]: L990-3 has no Hoare annotation [2018-11-18 21:51:53,964 WARN L170 areAnnotationChecker]: L990-3 has no Hoare annotation [2018-11-18 21:51:53,964 WARN L170 areAnnotationChecker]: L994-3 has no Hoare annotation [2018-11-18 21:51:53,964 WARN L170 areAnnotationChecker]: L994-3 has no Hoare annotation [2018-11-18 21:51:53,964 WARN L170 areAnnotationChecker]: L990-5 has no Hoare annotation [2018-11-18 21:51:53,965 WARN L170 areAnnotationChecker]: L990-5 has no Hoare annotation [2018-11-18 21:51:53,965 WARN L170 areAnnotationChecker]: L994-1 has no Hoare annotation [2018-11-18 21:51:53,965 WARN L170 areAnnotationChecker]: L994-1 has no Hoare annotation [2018-11-18 21:51:53,965 WARN L170 areAnnotationChecker]: L994-4 has no Hoare annotation [2018-11-18 21:51:53,965 WARN L170 areAnnotationChecker]: L996-8 has no Hoare annotation [2018-11-18 21:51:53,965 WARN L170 areAnnotationChecker]: L996-8 has no Hoare annotation [2018-11-18 21:51:53,965 WARN L170 areAnnotationChecker]: L1002-3 has no Hoare annotation [2018-11-18 21:51:53,969 WARN L170 areAnnotationChecker]: L1002-3 has no Hoare annotation [2018-11-18 21:51:53,969 WARN L170 areAnnotationChecker]: L996-1 has no Hoare annotation [2018-11-18 21:51:53,969 WARN L170 areAnnotationChecker]: L996-1 has no Hoare annotation [2018-11-18 21:51:53,969 WARN L170 areAnnotationChecker]: L996-9 has no Hoare annotation [2018-11-18 21:51:53,969 WARN L170 areAnnotationChecker]: L1002-1 has no Hoare annotation [2018-11-18 21:51:53,969 WARN L170 areAnnotationChecker]: L1002-1 has no Hoare annotation [2018-11-18 21:51:53,970 WARN L170 areAnnotationChecker]: L1002-4 has no Hoare annotation [2018-11-18 21:51:53,970 WARN L170 areAnnotationChecker]: L996-3 has no Hoare annotation [2018-11-18 21:51:53,970 WARN L170 areAnnotationChecker]: L996-3 has no Hoare annotation [2018-11-18 21:51:53,970 WARN L170 areAnnotationChecker]: L1006 has no Hoare annotation [2018-11-18 21:51:53,970 WARN L170 areAnnotationChecker]: L1006 has no Hoare annotation [2018-11-18 21:51:53,970 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-18 21:51:53,970 WARN L170 areAnnotationChecker]: L996-4 has no Hoare annotation [2018-11-18 21:51:53,970 WARN L170 areAnnotationChecker]: L996-4 has no Hoare annotation [2018-11-18 21:51:53,971 WARN L170 areAnnotationChecker]: L996-6 has no Hoare annotation [2018-11-18 21:51:53,971 WARN L170 areAnnotationChecker]: L996-6 has no Hoare annotation [2018-11-18 21:51:53,971 WARN L170 areAnnotationChecker]: L1006-2 has no Hoare annotation [2018-11-18 21:51:53,972 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-18 21:51:53,972 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 21:51:53,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:51:53 BoogieIcfgContainer [2018-11-18 21:51:53,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 21:51:53,981 INFO L168 Benchmark]: Toolchain (without parser) took 4016.02 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 737.1 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -628.6 MB). Peak memory consumption was 108.6 MB. Max. memory is 7.1 GB. [2018-11-18 21:51:53,984 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-11-18 21:51:53,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.09 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 737.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -782.9 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. [2018-11-18 21:51:53,986 INFO L168 Benchmark]: Boogie Preprocessor took 123.84 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. [2018-11-18 21:51:53,986 INFO L168 Benchmark]: RCFGBuilder took 994.67 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: 63.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 7.1 GB. [2018-11-18 21:51:53,987 INFO L168 Benchmark]: TraceAbstraction took 2217.00 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 90.4 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. [2018-11-18 21:51:53,993 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 0.17 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 675.09 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 737.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -782.9 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.84 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 994.67 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: 63.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2217.00 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 90.4 MB). Peak memory consumption was 90.4 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, 2.1s 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, 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...