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/list-ext-properties/simple-ext_false-unreach-call_false-valid-memcleanup_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 16:28:48,578 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 16:28:48,580 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 16:28:48,592 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 16:28:48,592 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 16:28:48,593 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 16:28:48,595 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 16:28:48,596 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 16:28:48,598 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 16:28:48,599 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 16:28:48,600 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 16:28:48,600 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 16:28:48,601 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 16:28:48,602 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 16:28:48,603 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 16:28:48,604 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 16:28:48,605 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 16:28:48,607 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 16:28:48,609 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 16:28:48,610 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 16:28:48,611 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 16:28:48,613 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 16:28:48,615 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-14 16:28:48,615 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-14 16:28:48,616 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-14 16:28:48,617 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-14 16:28:48,618 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-14 16:28:48,618 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-14 16:28:48,619 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-14 16:28:48,620 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-14 16:28:48,621 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-14 16:28:48,621 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-14 16:28:48,621 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-14 16:28:48,622 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-14 16:28:48,623 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-14 16:28:48,623 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-14 16:28:48,624 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 [2018-11-14 16:28:48,645 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 16:28:48,645 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 16:28:48,646 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 16:28:48,646 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 16:28:48,648 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 16:28:48,648 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 16:28:48,648 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 16:28:48,649 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 16:28:48,649 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 16:28:48,649 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 16:28:48,649 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 16:28:48,649 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 16:28:48,651 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 16:28:48,651 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 16:28:48,651 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-14 16:28:48,651 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-14 16:28:48,652 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 16:28:48,652 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 16:28:48,652 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 16:28:48,652 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 16:28:48,653 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 16:28:48,654 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 16:28:48,654 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 16:28:48,654 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 16:28:48,655 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 16:28:48,655 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 16:28:48,655 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 16:28:48,655 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-14 16:28:48,655 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 16:28:48,656 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-14 16:28:48,656 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-14 16:28:48,656 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 16:28:48,722 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 16:28:48,735 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 16:28:48,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 16:28:48,741 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 16:28:48,742 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 16:28:48,742 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/simple-ext_false-unreach-call_false-valid-memcleanup_true-termination.i [2018-11-14 16:28:48,811 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/638c72e64/9804e47262734ea7aeafc60a84fff601/FLAG4aa2de283 [2018-11-14 16:28:49,400 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 16:28:49,401 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext-properties/simple-ext_false-unreach-call_false-valid-memcleanup_true-termination.i [2018-11-14 16:28:49,417 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/638c72e64/9804e47262734ea7aeafc60a84fff601/FLAG4aa2de283 [2018-11-14 16:28:49,433 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/638c72e64/9804e47262734ea7aeafc60a84fff601 [2018-11-14 16:28:49,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 16:28:49,447 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 16:28:49,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 16:28:49,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 16:28:49,455 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 16:28:49,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:28:49" (1/1) ... [2018-11-14 16:28:49,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e167752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:49, skipping insertion in model container [2018-11-14 16:28:49,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:28:49" (1/1) ... [2018-11-14 16:28:49,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 16:28:49,517 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 16:28:49,931 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 16:28:49,950 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 16:28:50,018 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 16:28:50,082 INFO L195 MainTranslator]: Completed translation [2018-11-14 16:28:50,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:50 WrapperNode [2018-11-14 16:28:50,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 16:28:50,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 16:28:50,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 16:28:50,084 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 16:28:50,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:50" (1/1) ... [2018-11-14 16:28:50,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:50" (1/1) ... [2018-11-14 16:28:50,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:50" (1/1) ... [2018-11-14 16:28:50,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:50" (1/1) ... [2018-11-14 16:28:50,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:50" (1/1) ... [2018-11-14 16:28:50,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:50" (1/1) ... [2018-11-14 16:28:50,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:50" (1/1) ... [2018-11-14 16:28:50,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 16:28:50,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 16:28:50,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 16:28:50,258 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 16:28:50,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:50" (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 [2018-11-14 16:28:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 16:28:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 16:28:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure exit [2018-11-14 16:28:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 16:28:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-14 16:28:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 16:28:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-14 16:28:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-14 16:28:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-14 16:28:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-14 16:28:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-14 16:28:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-14 16:28:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-14 16:28:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-14 16:28:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-14 16:28:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-14 16:28:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-14 16:28:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-14 16:28:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-14 16:28:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-14 16:28:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-14 16:28:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-14 16:28:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-14 16:28:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-14 16:28:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-14 16:28:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-14 16:28:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-14 16:28:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-14 16:28:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-14 16:28:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-14 16:28:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-14 16:28:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-14 16:28:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-14 16:28:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-14 16:28:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-14 16:28:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-14 16:28:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-14 16:28:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-14 16:28:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-14 16:28:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-14 16:28:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-14 16:28:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-14 16:28:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-14 16:28:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-14 16:28:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-14 16:28:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-14 16:28:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-14 16:28:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-14 16:28:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-14 16:28:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-14 16:28:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-14 16:28:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-14 16:28:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-14 16:28:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-14 16:28:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-14 16:28:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-14 16:28:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-14 16:28:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-14 16:28:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-14 16:28:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-14 16:28:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-14 16:28:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-14 16:28:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-14 16:28:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-14 16:28:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-14 16:28:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-14 16:28:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-14 16:28:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-14 16:28:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-14 16:28:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-14 16:28:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-11-14 16:28:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-14 16:28:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-14 16:28:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-14 16:28:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-14 16:28:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-14 16:28:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-14 16:28:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-14 16:28:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-14 16:28:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-14 16:28:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-14 16:28:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-14 16:28:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-14 16:28:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-14 16:28:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-14 16:28:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-14 16:28:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-14 16:28:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-14 16:28:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-14 16:28:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-14 16:28:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-14 16:28:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-14 16:28:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-14 16:28:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-14 16:28:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-14 16:28:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-14 16:28:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-14 16:28:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-14 16:28:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-14 16:28:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-14 16:28:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-14 16:28:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-14 16:28:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-14 16:28:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-14 16:28:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-14 16:28:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-14 16:28:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-14 16:28:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 16:28:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-14 16:28:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-14 16:28:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-14 16:28:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-14 16:28:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-14 16:28:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-14 16:28:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 16:28:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 16:28:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-14 16:28:51,305 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 16:28:51,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:28:51 BoogieIcfgContainer [2018-11-14 16:28:51,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 16:28:51,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 16:28:51,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 16:28:51,310 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 16:28:51,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:28:49" (1/3) ... [2018-11-14 16:28:51,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b44be79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:28:51, skipping insertion in model container [2018-11-14 16:28:51,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:28:50" (2/3) ... [2018-11-14 16:28:51,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b44be79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:28:51, skipping insertion in model container [2018-11-14 16:28:51,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:28:51" (3/3) ... [2018-11-14 16:28:51,314 INFO L112 eAbstractionObserver]: Analyzing ICFG simple-ext_false-unreach-call_false-valid-memcleanup_true-termination.i [2018-11-14 16:28:51,324 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 16:28:51,333 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-14 16:28:51,350 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-14 16:28:51,385 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 16:28:51,385 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 16:28:51,386 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 16:28:51,386 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 16:28:51,386 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 16:28:51,386 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 16:28:51,386 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 16:28:51,386 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 16:28:51,387 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 16:28:51,403 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-11-14 16:28:51,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-14 16:28:51,410 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:28:51,411 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 16:28:51,413 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:28:51,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:28:51,419 INFO L82 PathProgramCache]: Analyzing trace with hash -444056770, now seen corresponding path program 1 times [2018-11-14 16:28:51,425 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:28:51,425 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 16:28:51,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 16:28:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:28:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:28:51,520 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 16:28:51,658 INFO L256 TraceCheckUtils]: 0: Hoare triple {34#true} call ULTIMATE.init(); {34#true} is VALID [2018-11-14 16:28:51,662 INFO L273 TraceCheckUtils]: 1: Hoare triple {34#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {34#true} is VALID [2018-11-14 16:28:51,663 INFO L273 TraceCheckUtils]: 2: Hoare triple {34#true} assume true; {34#true} is VALID [2018-11-14 16:28:51,663 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {34#true} {34#true} #84#return; {34#true} is VALID [2018-11-14 16:28:51,664 INFO L256 TraceCheckUtils]: 4: Hoare triple {34#true} call #t~ret9 := main(); {34#true} is VALID [2018-11-14 16:28:51,664 INFO L273 TraceCheckUtils]: 5: Hoare triple {34#true} call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(8bv32);~a~0.base, ~a~0.offset := #t~malloc0.base, #t~malloc0.offset; {34#true} is VALID [2018-11-14 16:28:51,665 INFO L273 TraceCheckUtils]: 6: Hoare triple {34#true} assume !(~a~0.base == 0bv32 && ~a~0.offset == 0bv32); {34#true} is VALID [2018-11-14 16:28:51,665 INFO L273 TraceCheckUtils]: 7: Hoare triple {34#true} havoc ~t~0.base, ~t~0.offset;~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset;~i~0 := 0bv32; {34#true} is VALID [2018-11-14 16:28:51,678 INFO L273 TraceCheckUtils]: 8: Hoare triple {34#true} assume !true; {35#false} is VALID [2018-11-14 16:28:51,679 INFO L273 TraceCheckUtils]: 9: Hoare triple {35#false} call write~intINTTYPE4(~i~0, ~p~0.base, ~p~0.offset, 4bv32);call write~$Pointer$(0bv32, 0bv32, ~p~0.base, ~bvadd32(4bv32, ~p~0.offset), 4bv32);~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset;~i~0 := 0bv32; {35#false} is VALID [2018-11-14 16:28:51,679 INFO L273 TraceCheckUtils]: 10: Hoare triple {35#false} assume true; {35#false} is VALID [2018-11-14 16:28:51,680 INFO L273 TraceCheckUtils]: 11: Hoare triple {35#false} assume !!(~p~0.base != 0bv32 || ~p~0.offset != 0bv32);call #t~mem5 := read~intINTTYPE4(~p~0.base, ~p~0.offset, 4bv32); {35#false} is VALID [2018-11-14 16:28:51,680 INFO L273 TraceCheckUtils]: 12: Hoare triple {35#false} assume #t~mem5 != 1bv32;havoc #t~mem5; {35#false} is VALID [2018-11-14 16:28:51,680 INFO L273 TraceCheckUtils]: 13: Hoare triple {35#false} assume !false; {35#false} is VALID [2018-11-14 16:28:51,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 16:28:51,685 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (2)] Exception during sending of exit command (exit): Broken pipe [2018-11-14 16:28:51,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 16:28:51,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-14 16:28:51,700 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-11-14 16:28:51,703 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 16:28:51,707 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-14 16:28:51,785 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:28:51,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-14 16:28:51,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-14 16:28:51,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-14 16:28:51,796 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2018-11-14 16:28:51,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:28:51,890 INFO L93 Difference]: Finished difference Result 46 states and 57 transitions. [2018-11-14 16:28:51,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-14 16:28:51,890 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-11-14 16:28:51,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 16:28:51,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 16:28:51,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 57 transitions. [2018-11-14 16:28:51,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 16:28:51,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 57 transitions. [2018-11-14 16:28:51,913 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 57 transitions. [2018-11-14 16:28:52,353 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:28:52,366 INFO L225 Difference]: With dead ends: 46 [2018-11-14 16:28:52,366 INFO L226 Difference]: Without dead ends: 19 [2018-11-14 16:28:52,370 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-14 16:28:52,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-11-14 16:28:52,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-11-14 16:28:52,481 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 16:28:52,482 INFO L82 GeneralOperation]: Start isEquivalent. First operand 19 states. Second operand 19 states. [2018-11-14 16:28:52,482 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2018-11-14 16:28:52,483 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2018-11-14 16:28:52,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:28:52,487 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2018-11-14 16:28:52,487 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-11-14 16:28:52,488 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:28:52,488 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:28:52,488 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2018-11-14 16:28:52,489 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2018-11-14 16:28:52,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:28:52,493 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2018-11-14 16:28:52,493 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-11-14 16:28:52,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:28:52,493 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:28:52,494 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 16:28:52,494 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 16:28:52,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-11-14 16:28:52,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2018-11-14 16:28:52,499 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 14 [2018-11-14 16:28:52,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 16:28:52,499 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2018-11-14 16:28:52,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-14 16:28:52,500 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-11-14 16:28:52,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-14 16:28:52,500 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:28:52,501 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 16:28:52,501 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:28:52,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:28:52,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1694268468, now seen corresponding path program 1 times [2018-11-14 16:28:52,502 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:28:52,502 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 16:28:52,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 16:28:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-14 16:28:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-14 16:28:52,643 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-14 16:28:52,677 WARN L170 areAnnotationChecker]: exitENTRY has no Hoare annotation [2018-11-14 16:28:52,678 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2018-11-14 16:28:52,678 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-14 16:28:52,678 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-14 16:28:52,678 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2018-11-14 16:28:52,678 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-14 16:28:52,678 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-14 16:28:52,679 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-14 16:28:52,679 WARN L170 areAnnotationChecker]: L629 has no Hoare annotation [2018-11-14 16:28:52,679 WARN L170 areAnnotationChecker]: L629 has no Hoare annotation [2018-11-14 16:28:52,679 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-14 16:28:52,679 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-14 16:28:52,679 WARN L170 areAnnotationChecker]: L629-1 has no Hoare annotation [2018-11-14 16:28:52,680 WARN L170 areAnnotationChecker]: L629-1 has no Hoare annotation [2018-11-14 16:28:52,680 WARN L170 areAnnotationChecker]: L629-3 has no Hoare annotation [2018-11-14 16:28:52,680 WARN L170 areAnnotationChecker]: L633-3 has no Hoare annotation [2018-11-14 16:28:52,680 WARN L170 areAnnotationChecker]: L633-3 has no Hoare annotation [2018-11-14 16:28:52,680 WARN L170 areAnnotationChecker]: L633-1 has no Hoare annotation [2018-11-14 16:28:52,680 WARN L170 areAnnotationChecker]: L633-1 has no Hoare annotation [2018-11-14 16:28:52,680 WARN L170 areAnnotationChecker]: L633-4 has no Hoare annotation [2018-11-14 16:28:52,681 WARN L170 areAnnotationChecker]: L636 has no Hoare annotation [2018-11-14 16:28:52,681 WARN L170 areAnnotationChecker]: L636 has no Hoare annotation [2018-11-14 16:28:52,681 WARN L170 areAnnotationChecker]: L645-3 has no Hoare annotation [2018-11-14 16:28:52,681 WARN L170 areAnnotationChecker]: L645-3 has no Hoare annotation [2018-11-14 16:28:52,681 WARN L170 areAnnotationChecker]: L636-1 has no Hoare annotation [2018-11-14 16:28:52,681 WARN L170 areAnnotationChecker]: L636-1 has no Hoare annotation [2018-11-14 16:28:52,681 WARN L170 areAnnotationChecker]: L636-3 has no Hoare annotation [2018-11-14 16:28:52,682 WARN L170 areAnnotationChecker]: L645-1 has no Hoare annotation [2018-11-14 16:28:52,682 WARN L170 areAnnotationChecker]: L645-1 has no Hoare annotation [2018-11-14 16:28:52,682 WARN L170 areAnnotationChecker]: L645-4 has no Hoare annotation [2018-11-14 16:28:52,682 WARN L170 areAnnotationChecker]: L646 has no Hoare annotation [2018-11-14 16:28:52,682 WARN L170 areAnnotationChecker]: L646 has no Hoare annotation [2018-11-14 16:28:52,682 WARN L170 areAnnotationChecker]: L654-3 has no Hoare annotation [2018-11-14 16:28:52,682 WARN L170 areAnnotationChecker]: L654-3 has no Hoare annotation [2018-11-14 16:28:52,683 WARN L170 areAnnotationChecker]: L647 has no Hoare annotation [2018-11-14 16:28:52,683 WARN L170 areAnnotationChecker]: L647 has no Hoare annotation [2018-11-14 16:28:52,683 WARN L170 areAnnotationChecker]: L646-2 has no Hoare annotation [2018-11-14 16:28:52,683 WARN L170 areAnnotationChecker]: L654-1 has no Hoare annotation [2018-11-14 16:28:52,683 WARN L170 areAnnotationChecker]: L654-1 has no Hoare annotation [2018-11-14 16:28:52,683 WARN L170 areAnnotationChecker]: L654-4 has no Hoare annotation [2018-11-14 16:28:52,683 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-14 16:28:52,684 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-14 16:28:52,684 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-14 16:28:52,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:28:52 BoogieIcfgContainer [2018-11-14 16:28:52,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-14 16:28:52,688 INFO L168 Benchmark]: Toolchain (without parser) took 3242.78 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 719.3 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -630.3 MB). Peak memory consumption was 89.0 MB. Max. memory is 7.1 GB. [2018-11-14 16:28:52,691 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-14 16:28:52,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-14 16:28:52,693 INFO L168 Benchmark]: Boogie Preprocessor took 173.75 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 719.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -799.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2018-11-14 16:28:52,694 INFO L168 Benchmark]: RCFGBuilder took 1048.04 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: 63.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 7.1 GB. [2018-11-14 16:28:52,694 INFO L168 Benchmark]: TraceAbstraction took 1380.18 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: 74.4 MB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. [2018-11-14 16:28:52,699 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 635.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 173.75 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 719.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -799.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1048.04 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: 63.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1380.18 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: 74.4 MB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 647]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L628] EXPR, FCALL malloc(sizeof(struct node)) [L628] List a = (List) malloc(sizeof(struct node)); VAL [a={1:0}, malloc(sizeof(struct node))={1:0}] [L629] COND FALSE !(a == 0) VAL [a={1:0}, malloc(sizeof(struct node))={1:0}] [L630] List t; [L631] List p = a; [L632] int i = 0; VAL [a={1:0}, i=0, malloc(sizeof(struct node))={1:0}, p={1:0}] [L633] COND FALSE !(i < 30 && __VERIFIER_nondet_int()) [L641] FCALL p->h = i [L642] FCALL p->n = 0 [L643] p = a [L644] i = 0 VAL [a={1:0}, i=0, malloc(sizeof(struct node))={1:0}, p={1:0}] [L645] COND TRUE p!=0 [L646] EXPR, FCALL p->h VAL [a={1:0}, i=0, malloc(sizeof(struct node))={1:0}, p={1:0}, p->h=0] [L646] COND TRUE p->h != 1 [L647] __VERIFIER_error() VAL [a={1:0}, i=0, malloc(sizeof(struct node))={1:0}, p={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 33 locations, 1 error locations. UNSAFE Result, 1.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 34 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 SizeOfPredicates, 0 NumberOfNonLiveVariables, 48 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...