/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-ext-properties/list-ext.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:31:00,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:31:00,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:31:00,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:31:00,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:31:00,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:31:00,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:31:00,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:31:00,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:31:00,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:31:00,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:31:00,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 22:31:00,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 22:31:00,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 22:31:00,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 22:31:00,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 22:31:00,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 22:31:00,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 22:31:00,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 22:31:00,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 22:31:00,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 22:31:00,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 22:31:00,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 22:31:00,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 22:31:00,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-06 22:31:00,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-06 22:31:00,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-06 22:31:01,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-06 22:31:01,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-06 22:31:01,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-06 22:31:01,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 22:31:01,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 22:31:01,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 22:31:01,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 22:31:01,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 22:31:01,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 22:31:01,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 22:31:01,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 22:31:01,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:31:01,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:31:01,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:31:01,035 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 22:31:01,067 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:31:01,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:31:01,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:31:01,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:31:01,069 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:31:01,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:31:01,070 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:31:01,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:31:01,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:31:01,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:31:01,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:31:01,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:31:01,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:31:01,072 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:31:01,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:31:01,072 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:31:01,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:31:01,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:31:01,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:31:01,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:31:01,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:31:01,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:31:01,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:31:01,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:31:01,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:31:01,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:31:01,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:31:01,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:31:01,075 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:31:01,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:31:01,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:31:01,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:31:01,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:31:01,445 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:31:01,446 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:31:01,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/list-ext.i [2020-11-06 22:31:01,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be45f065c/4bc90078985a4c14bbb2b1ba37f4d058/FLAGa31dab606 [2020-11-06 22:31:02,233 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:31:02,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext-properties/list-ext.i [2020-11-06 22:31:02,252 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be45f065c/4bc90078985a4c14bbb2b1ba37f4d058/FLAGa31dab606 [2020-11-06 22:31:02,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be45f065c/4bc90078985a4c14bbb2b1ba37f4d058 [2020-11-06 22:31:02,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:31:02,473 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:31:02,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:31:02,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:31:02,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:31:02,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:31:02" (1/1) ... [2020-11-06 22:31:02,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23de09a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:02, skipping insertion in model container [2020-11-06 22:31:02,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:31:02" (1/1) ... [2020-11-06 22:31:02,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:31:02,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:31:02,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:31:02,821 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:31:02,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:31:02,978 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:31:02,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:02 WrapperNode [2020-11-06 22:31:02,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:31:02,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:31:02,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:31:02,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:31:02,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:02" (1/1) ... [2020-11-06 22:31:02,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:02" (1/1) ... [2020-11-06 22:31:03,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:02" (1/1) ... [2020-11-06 22:31:03,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:02" (1/1) ... [2020-11-06 22:31:03,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:02" (1/1) ... [2020-11-06 22:31:03,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:02" (1/1) ... [2020-11-06 22:31:03,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:02" (1/1) ... [2020-11-06 22:31:03,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:31:03,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:31:03,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:31:03,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:31:03,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:02" (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 [2020-11-06 22:31:03,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:31:03,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:31:03,123 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:31:03,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-06 22:31:03,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-06 22:31:03,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-06 22:31:03,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-06 22:31:03,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-06 22:31:03,124 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-11-06 22:31:03,124 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:31:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:31:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:31:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-11-06 22:31:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-11-06 22:31:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:31:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:31:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:31:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-06 22:31:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-06 22:31:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-06 22:31:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-06 22:31:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-06 22:31:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-06 22:31:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-06 22:31:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-06 22:31:03,128 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-06 22:31:03,128 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-06 22:31:03,128 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-06 22:31:03,128 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-06 22:31:03,128 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-06 22:31:03,129 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-06 22:31:03,129 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-06 22:31:03,129 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-06 22:31:03,129 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-06 22:31:03,129 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-06 22:31:03,129 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-06 22:31:03,129 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-06 22:31:03,130 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-06 22:31:03,130 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-06 22:31:03,130 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-06 22:31:03,130 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-06 22:31:03,130 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-06 22:31:03,130 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-06 22:31:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-06 22:31:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-06 22:31:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-06 22:31:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-06 22:31:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-06 22:31:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-06 22:31:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-06 22:31:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-06 22:31:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-06 22:31:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-06 22:31:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-06 22:31:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-06 22:31:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-06 22:31:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-06 22:31:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-06 22:31:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-06 22:31:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-06 22:31:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-06 22:31:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-06 22:31:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-06 22:31:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-06 22:31:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-06 22:31:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-06 22:31:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-06 22:31:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-06 22:31:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-06 22:31:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-06 22:31:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-06 22:31:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-06 22:31:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-06 22:31:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-06 22:31:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-06 22:31:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-06 22:31:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-06 22:31:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-06 22:31:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-06 22:31:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-06 22:31:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-06 22:31:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-06 22:31:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-06 22:31:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:31:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-06 22:31:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-06 22:31:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-06 22:31:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-06 22:31:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-06 22:31:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-06 22:31:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-06 22:31:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-06 22:31:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-06 22:31:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-06 22:31:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-06 22:31:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-06 22:31:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-06 22:31:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-06 22:31:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-06 22:31:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-06 22:31:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-06 22:31:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-06 22:31:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-06 22:31:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-06 22:31:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-06 22:31:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-06 22:31:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-06 22:31:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-06 22:31:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-06 22:31:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-06 22:31:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-06 22:31:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-06 22:31:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-06 22:31:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-06 22:31:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-06 22:31:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-06 22:31:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-06 22:31:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-06 22:31:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-06 22:31:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-06 22:31:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-06 22:31:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-06 22:31:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-06 22:31:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-11-06 22:31:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:31:03,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-06 22:31:03,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:31:03,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-06 22:31:03,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-06 22:31:03,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:31:03,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:31:03,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:31:03,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:31:03,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:31:03,464 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-11-06 22:31:03,784 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:31:03,784 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-06 22:31:03,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:31:03 BoogieIcfgContainer [2020-11-06 22:31:03,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:31:03,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:31:03,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:31:03,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:31:03,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:31:02" (1/3) ... [2020-11-06 22:31:03,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ad3817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:31:03, skipping insertion in model container [2020-11-06 22:31:03,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:02" (2/3) ... [2020-11-06 22:31:03,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ad3817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:31:03, skipping insertion in model container [2020-11-06 22:31:03,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:31:03" (3/3) ... [2020-11-06 22:31:03,805 INFO L111 eAbstractionObserver]: Analyzing ICFG list-ext.i [2020-11-06 22:31:03,821 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:31:03,825 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:31:03,837 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:31:03,863 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:31:03,863 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:31:03,863 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:31:03,863 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:31:03,863 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:31:03,863 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:31:03,863 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:31:03,864 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:31:03,881 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-11-06 22:31:03,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-06 22:31:03,887 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:31:03,888 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:31:03,888 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:31:03,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:31:03,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1208599821, now seen corresponding path program 1 times [2020-11-06 22:31:03,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:31:03,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446057294] [2020-11-06 22:31:03,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:31:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:31:04,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:31:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:31:04,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:31:04,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446057294] [2020-11-06 22:31:04,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:31:04,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 22:31:04,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961154434] [2020-11-06 22:31:04,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:31:04,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:31:04,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:31:04,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-06 22:31:04,146 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 3 states. [2020-11-06 22:31:04,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:31:04,265 INFO L93 Difference]: Finished difference Result 72 states and 100 transitions. [2020-11-06 22:31:04,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:31:04,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-11-06 22:31:04,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:31:04,274 INFO L225 Difference]: With dead ends: 72 [2020-11-06 22:31:04,275 INFO L226 Difference]: Without dead ends: 29 [2020-11-06 22:31:04,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-06 22:31:04,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-06 22:31:04,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-06 22:31:04,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-06 22:31:04,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2020-11-06 22:31:04,317 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 18 [2020-11-06 22:31:04,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:31:04,317 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2020-11-06 22:31:04,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:31:04,317 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2020-11-06 22:31:04,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-06 22:31:04,318 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:31:04,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:31:04,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:31:04,319 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:31:04,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:31:04,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1607644685, now seen corresponding path program 1 times [2020-11-06 22:31:04,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:31:04,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220702268] [2020-11-06 22:31:04,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:31:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 22:31:04,370 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 22:31:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 22:31:04,403 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 22:31:04,434 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-06 22:31:04,435 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-06 22:31:04,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:31:04,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:31:04 BoogieIcfgContainer [2020-11-06 22:31:04,475 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:31:04,477 INFO L168 Benchmark]: Toolchain (without parser) took 2009.12 ms. Allocated memory is still 156.2 MB. Free memory was 110.2 MB in the beginning and 95.4 MB in the end (delta: 14.8 MB). Peak memory consumption was 16.9 MB. Max. memory is 8.0 GB. [2020-11-06 22:31:04,478 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 156.2 MB. Free memory is still 129.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:31:04,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 503.84 ms. Allocated memory is still 156.2 MB. Free memory was 109.5 MB in the beginning and 126.7 MB in the end (delta: -17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2020-11-06 22:31:04,480 INFO L168 Benchmark]: Boogie Preprocessor took 66.69 ms. Allocated memory is still 156.2 MB. Free memory was 126.7 MB in the beginning and 124.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:31:04,481 INFO L168 Benchmark]: RCFGBuilder took 740.69 ms. Allocated memory is still 156.2 MB. Free memory was 123.9 MB in the beginning and 135.3 MB in the end (delta: -11.4 MB). Peak memory consumption was 50.7 MB. Max. memory is 8.0 GB. [2020-11-06 22:31:04,482 INFO L168 Benchmark]: TraceAbstraction took 682.15 ms. Allocated memory is still 156.2 MB. Free memory was 134.7 MB in the beginning and 95.4 MB in the end (delta: 39.3 MB). Peak memory consumption was 38.8 MB. Max. memory is 8.0 GB. [2020-11-06 22:31:04,485 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 156.2 MB. Free memory is still 129.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 503.84 ms. Allocated memory is still 156.2 MB. Free memory was 109.5 MB in the beginning and 126.7 MB in the end (delta: -17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 66.69 ms. Allocated memory is still 156.2 MB. Free memory was 126.7 MB in the beginning and 124.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 740.69 ms. Allocated memory is still 156.2 MB. Free memory was 123.9 MB in the beginning and 135.3 MB in the end (delta: -11.4 MB). Peak memory consumption was 50.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 682.15 ms. Allocated memory is still 156.2 MB. Free memory was 134.7 MB in the beginning and 95.4 MB in the end (delta: 39.3 MB). Peak memory consumption was 38.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L532] int i = 0; [L533] int y = 0; [L534] List a = (List) malloc(sizeof(struct node)); VAL [a={-1:0}, i=0, malloc(sizeof(struct node))={-1:0}, y=0] [L535] COND FALSE !(a == 0) VAL [a={-1:0}, i=0, malloc(sizeof(struct node))={-1:0}, y=0] [L536] List t; [L537] List p = a; VAL [a={-1:0}, i=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}, y=0] [L538] i < 10 && __VERIFIER_nondet_int() [L538] i < 10 && __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, a={-1:0}, i=0, i < 10 && __VERIFIER_nondet_int()=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}, y=0] [L538] COND FALSE !(i < 10 && __VERIFIER_nondet_int()) [L546] y < 10 && __VERIFIER_nondet_int() [L546] y < 10 && __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, a={-1:0}, i=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}, y=0, y < 10 && __VERIFIER_nondet_int()=0] [L546] COND FALSE !(y < 10 && __VERIFIER_nondet_int()) [L554] p->h = 3 [L555] p->n = 0 [L556] i = 0 [L557] y = 0 [L558] p = a VAL [a={-1:0}, i=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}, y=0] [L559] EXPR p->h VAL [a={-1:0}, i=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}, p->h=3, y=0] [L559] COND FALSE !(p->h == 1) [L563] EXPR p->h VAL [a={-1:0}, i=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}, p->h=3, y=0] [L563] COND FALSE !(p->h == 2) [L567] EXPR p->h VAL [a={-1:0}, i=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}, p->h=3, y=0] [L567] COND TRUE p->h != 3 || (i + y) < 20 [L568] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "list-ext.c", 3, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 49 SDtfs, 4 SDslu, 4 SDs, 0 SdLazy, 39 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 697 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...