/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/simple-ext.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 15:09:10,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 15:09:10,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 15:09:10,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 15:09:10,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 15:09:10,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 15:09:10,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 15:09:10,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 15:09:10,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 15:09:10,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 15:09:10,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 15:09:10,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 15:09:10,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 15:09:10,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 15:09:10,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 15:09:10,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 15:09:10,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 15:09:10,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 15:09:10,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 15:09:10,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 15:09:10,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 15:09:10,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 15:09:10,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 15:09:10,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 15:09:10,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-10 15:09:10,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-10 15:09:10,076 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-10 15:09:10,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-10 15:09:10,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-10 15:09:10,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-10 15:09:10,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 15:09:10,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 15:09:10,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 15:09:10,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 15:09:10,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 15:09:10,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 15:09:10,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 15:09:10,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 15:09:10,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 15:09:10,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 15:09:10,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 15:09:10,094 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 [2020-07-10 15:09:10,128 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 15:09:10,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 15:09:10,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 15:09:10,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 15:09:10,130 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 15:09:10,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 15:09:10,131 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 15:09:10,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 15:09:10,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 15:09:10,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 15:09:10,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 15:09:10,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 15:09:10,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 15:09:10,132 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 15:09:10,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 15:09:10,134 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 15:09:10,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 15:09:10,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 15:09:10,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 15:09:10,135 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 15:09:10,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 15:09:10,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 15:09:10,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 15:09:10,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 15:09:10,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 15:09:10,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 15:09:10,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 15:09:10,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 15:09:10,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 15:09:10,137 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 15:09:10,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 15:09:10,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 15:09:10,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 15:09:10,413 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 15:09:10,413 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 15:09:10,414 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/simple-ext.i [2020-07-10 15:09:10,485 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7748810c5/0ad54ce60c4842b58239617e5e067379/FLAG1170aa872 [2020-07-10 15:09:10,973 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 15:09:10,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext-properties/simple-ext.i [2020-07-10 15:09:10,989 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7748810c5/0ad54ce60c4842b58239617e5e067379/FLAG1170aa872 [2020-07-10 15:09:11,298 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7748810c5/0ad54ce60c4842b58239617e5e067379 [2020-07-10 15:09:11,306 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 15:09:11,308 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 15:09:11,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 15:09:11,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 15:09:11,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 15:09:11,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:09:11" (1/1) ... [2020-07-10 15:09:11,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d31b52f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:09:11, skipping insertion in model container [2020-07-10 15:09:11,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:09:11" (1/1) ... [2020-07-10 15:09:11,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 15:09:11,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 15:09:11,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 15:09:11,847 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 15:09:11,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 15:09:11,969 INFO L208 MainTranslator]: Completed translation [2020-07-10 15:09:11,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:09:11 WrapperNode [2020-07-10 15:09:11,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 15:09:11,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 15:09:11,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 15:09:11,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 15:09:11,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:09:11" (1/1) ... [2020-07-10 15:09:11,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:09:11" (1/1) ... [2020-07-10 15:09:12,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:09:11" (1/1) ... [2020-07-10 15:09:12,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:09:11" (1/1) ... [2020-07-10 15:09:12,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:09:11" (1/1) ... [2020-07-10 15:09:12,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:09:11" (1/1) ... [2020-07-10 15:09:12,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:09:11" (1/1) ... [2020-07-10 15:09:12,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 15:09:12,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 15:09:12,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 15:09:12,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 15:09:12,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:09:11" (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 [2020-07-10 15:09:12,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 15:09:12,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 15:09:12,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-10 15:09:12,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-10 15:09:12,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-07-10 15:09:12,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-07-10 15:09:12,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-07-10 15:09:12,109 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-07-10 15:09:12,109 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 15:09:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 15:09:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 15:09:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-10 15:09:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-10 15:09:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-10 15:09:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-10 15:09:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-10 15:09:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-10 15:09:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-10 15:09:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-10 15:09:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-10 15:09:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-10 15:09:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-10 15:09:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-10 15:09:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-10 15:09:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-10 15:09:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-10 15:09:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-10 15:09:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-10 15:09:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-10 15:09:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-07-10 15:09:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-07-10 15:09:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-07-10 15:09:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-10 15:09:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-10 15:09:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-10 15:09:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-10 15:09:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-10 15:09:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-10 15:09:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-10 15:09:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-10 15:09:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-10 15:09:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-10 15:09:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-10 15:09:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-10 15:09:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-10 15:09:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-10 15:09:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-10 15:09:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-10 15:09:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-10 15:09:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-10 15:09:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-10 15:09:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-10 15:09:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-10 15:09:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-10 15:09:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-10 15:09:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-10 15:09:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-10 15:09:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-10 15:09:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-10 15:09:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-10 15:09:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-10 15:09:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-10 15:09:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-10 15:09:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-10 15:09:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-10 15:09:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-10 15:09:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-10 15:09:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-10 15:09:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-10 15:09:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-10 15:09:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-10 15:09:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-10 15:09:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-10 15:09:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-10 15:09:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-10 15:09:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-10 15:09:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-10 15:09:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-10 15:09:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-10 15:09:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-10 15:09:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-10 15:09:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-10 15:09:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-10 15:09:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-10 15:09:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-10 15:09:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-10 15:09:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-10 15:09:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-10 15:09:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-10 15:09:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-10 15:09:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-10 15:09:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-10 15:09:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-10 15:09:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-10 15:09:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-10 15:09:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-10 15:09:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-10 15:09:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-10 15:09:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-10 15:09:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-10 15:09:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-10 15:09:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-10 15:09:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-10 15:09:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-10 15:09:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-10 15:09:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-10 15:09:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-10 15:09:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-10 15:09:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-10 15:09:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-10 15:09:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-10 15:09:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-10 15:09:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-10 15:09:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-10 15:09:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-10 15:09:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-10 15:09:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-10 15:09:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-10 15:09:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-07-10 15:09:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 15:09:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-10 15:09:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 15:09:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-10 15:09:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-10 15:09:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 15:09:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 15:09:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 15:09:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 15:09:12,485 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-07-10 15:09:12,741 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 15:09:12,742 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-07-10 15:09:12,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:09:12 BoogieIcfgContainer [2020-07-10 15:09:12,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 15:09:12,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 15:09:12,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 15:09:12,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 15:09:12,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 03:09:11" (1/3) ... [2020-07-10 15:09:12,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c38805f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:09:12, skipping insertion in model container [2020-07-10 15:09:12,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:09:11" (2/3) ... [2020-07-10 15:09:12,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c38805f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:09:12, skipping insertion in model container [2020-07-10 15:09:12,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:09:12" (3/3) ... [2020-07-10 15:09:12,755 INFO L109 eAbstractionObserver]: Analyzing ICFG simple-ext.i [2020-07-10 15:09:12,766 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-10 15:09:12,775 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 15:09:12,791 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 15:09:12,817 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 15:09:12,818 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 15:09:12,818 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-10 15:09:12,819 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 15:09:12,819 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 15:09:12,819 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 15:09:12,819 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 15:09:12,819 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 15:09:12,839 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-07-10 15:09:12,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-10 15:09:12,846 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 15:09:12,847 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 15:09:12,848 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 15:09:12,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 15:09:12,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1015793902, now seen corresponding path program 1 times [2020-07-10 15:09:12,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 15:09:12,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66742508] [2020-07-10 15:09:12,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 15:09:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:09:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:09:13,111 INFO L280 TraceCheckUtils]: 0: Hoare triple {38#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {33#true} is VALID [2020-07-10 15:09:13,112 INFO L280 TraceCheckUtils]: 1: Hoare triple {33#true} assume true; {33#true} is VALID [2020-07-10 15:09:13,113 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {33#true} {33#true} #99#return; {33#true} is VALID [2020-07-10 15:09:13,117 INFO L263 TraceCheckUtils]: 0: Hoare triple {33#true} call ULTIMATE.init(); {38#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-10 15:09:13,117 INFO L280 TraceCheckUtils]: 1: Hoare triple {38#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {33#true} is VALID [2020-07-10 15:09:13,118 INFO L280 TraceCheckUtils]: 2: Hoare triple {33#true} assume true; {33#true} is VALID [2020-07-10 15:09:13,118 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {33#true} {33#true} #99#return; {33#true} is VALID [2020-07-10 15:09:13,118 INFO L263 TraceCheckUtils]: 4: Hoare triple {33#true} call #t~ret12 := main(); {33#true} is VALID [2020-07-10 15:09:13,119 INFO L280 TraceCheckUtils]: 5: Hoare triple {33#true} call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8);~a~0.base, ~a~0.offset := #t~malloc2.base, #t~malloc2.offset; {33#true} is VALID [2020-07-10 15:09:13,119 INFO L280 TraceCheckUtils]: 6: Hoare triple {33#true} assume !(~a~0.base == 0 && ~a~0.offset == 0); {33#true} is VALID [2020-07-10 15:09:13,120 INFO L280 TraceCheckUtils]: 7: Hoare triple {33#true} havoc ~t~0.base, ~t~0.offset;~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset;~i~0 := 0; {33#true} is VALID [2020-07-10 15:09:13,121 INFO L280 TraceCheckUtils]: 8: Hoare triple {33#true} assume !true; {34#false} is VALID [2020-07-10 15:09:13,122 INFO L280 TraceCheckUtils]: 9: Hoare triple {34#false} call write~int(~i~0, ~p~0.base, ~p~0.offset, 4);call write~$Pointer$(0, 0, ~p~0.base, 4 + ~p~0.offset, 4);~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset;~i~0 := 0; {34#false} is VALID [2020-07-10 15:09:13,122 INFO L280 TraceCheckUtils]: 10: Hoare triple {34#false} assume !!(~p~0.base != 0 || ~p~0.offset != 0);call #t~mem8 := read~int(~p~0.base, ~p~0.offset, 4); {34#false} is VALID [2020-07-10 15:09:13,122 INFO L280 TraceCheckUtils]: 11: Hoare triple {34#false} assume 1 != #t~mem8;havoc #t~mem8; {34#false} is VALID [2020-07-10 15:09:13,123 INFO L280 TraceCheckUtils]: 12: Hoare triple {34#false} assume !false; {34#false} is VALID [2020-07-10 15:09:13,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 15:09:13,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66742508] [2020-07-10 15:09:13,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 15:09:13,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-10 15:09:13,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791824458] [2020-07-10 15:09:13,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-07-10 15:09:13,137 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 15:09:13,141 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-10 15:09:13,184 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 15:09:13,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-10 15:09:13,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 15:09:13,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-10 15:09:13,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-10 15:09:13,198 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 3 states. [2020-07-10 15:09:13,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:09:13,364 INFO L93 Difference]: Finished difference Result 43 states and 56 transitions. [2020-07-10 15:09:13,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-10 15:09:13,364 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-07-10 15:09:13,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 15:09:13,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-10 15:09:13,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 56 transitions. [2020-07-10 15:09:13,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-10 15:09:13,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 56 transitions. [2020-07-10 15:09:13,383 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 56 transitions. [2020-07-10 15:09:13,459 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 15:09:13,470 INFO L225 Difference]: With dead ends: 43 [2020-07-10 15:09:13,470 INFO L226 Difference]: Without dead ends: 19 [2020-07-10 15:09:13,474 INFO L675 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 [2020-07-10 15:09:13,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-07-10 15:09:13,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-07-10 15:09:13,520 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 15:09:13,520 INFO L82 GeneralOperation]: Start isEquivalent. First operand 19 states. Second operand 19 states. [2020-07-10 15:09:13,521 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2020-07-10 15:09:13,521 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2020-07-10 15:09:13,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:09:13,525 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2020-07-10 15:09:13,525 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2020-07-10 15:09:13,526 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 15:09:13,526 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 15:09:13,526 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2020-07-10 15:09:13,526 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2020-07-10 15:09:13,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:09:13,530 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2020-07-10 15:09:13,530 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2020-07-10 15:09:13,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 15:09:13,531 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 15:09:13,531 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 15:09:13,531 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 15:09:13,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-10 15:09:13,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2020-07-10 15:09:13,535 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 13 [2020-07-10 15:09:13,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 15:09:13,536 INFO L479 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2020-07-10 15:09:13,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-10 15:09:13,536 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2020-07-10 15:09:13,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-10 15:09:13,537 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 15:09:13,537 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 15:09:13,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 15:09:13,538 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 15:09:13,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 15:09:13,539 INFO L82 PathProgramCache]: Analyzing trace with hash -831528833, now seen corresponding path program 1 times [2020-07-10 15:09:13,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 15:09:13,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131235587] [2020-07-10 15:09:13,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 15:09:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 15:09:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 15:09:13,671 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-10 15:09:13,671 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 15:09:13,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 15:09:13,712 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-10 15:09:13,713 WARN L170 areAnnotationChecker]: myexitENTRY has no Hoare annotation [2020-07-10 15:09:13,713 WARN L170 areAnnotationChecker]: __bswap_32ENTRY has no Hoare annotation [2020-07-10 15:09:13,713 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 15:09:13,713 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 15:09:13,713 WARN L170 areAnnotationChecker]: __bswap_64ENTRY has no Hoare annotation [2020-07-10 15:09:13,713 WARN L170 areAnnotationChecker]: __uint16_identityENTRY has no Hoare annotation [2020-07-10 15:09:13,714 WARN L170 areAnnotationChecker]: __uint64_identityENTRY has no Hoare annotation [2020-07-10 15:09:13,714 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 15:09:13,714 WARN L170 areAnnotationChecker]: __uint32_identityENTRY has no Hoare annotation [2020-07-10 15:09:13,714 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 15:09:13,714 WARN L170 areAnnotationChecker]: L514 has no Hoare annotation [2020-07-10 15:09:13,714 WARN L170 areAnnotationChecker]: __bswap_32FINAL has no Hoare annotation [2020-07-10 15:09:13,714 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 15:09:13,715 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 15:09:13,715 WARN L170 areAnnotationChecker]: __bswap_64FINAL has no Hoare annotation [2020-07-10 15:09:13,719 WARN L170 areAnnotationChecker]: __uint16_identityFINAL has no Hoare annotation [2020-07-10 15:09:13,719 WARN L170 areAnnotationChecker]: __uint64_identityFINAL has no Hoare annotation [2020-07-10 15:09:13,720 WARN L170 areAnnotationChecker]: L522 has no Hoare annotation [2020-07-10 15:09:13,720 WARN L170 areAnnotationChecker]: L522 has no Hoare annotation [2020-07-10 15:09:13,725 WARN L170 areAnnotationChecker]: __uint32_identityFINAL has no Hoare annotation [2020-07-10 15:09:13,726 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 15:09:13,726 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 15:09:13,726 WARN L170 areAnnotationChecker]: L522-1 has no Hoare annotation [2020-07-10 15:09:13,726 WARN L170 areAnnotationChecker]: L522-1 has no Hoare annotation [2020-07-10 15:09:13,727 WARN L170 areAnnotationChecker]: L522-3 has no Hoare annotation [2020-07-10 15:09:13,728 WARN L170 areAnnotationChecker]: L526-5 has no Hoare annotation [2020-07-10 15:09:13,728 WARN L170 areAnnotationChecker]: L526-5 has no Hoare annotation [2020-07-10 15:09:13,728 WARN L170 areAnnotationChecker]: L526-6 has no Hoare annotation [2020-07-10 15:09:13,728 WARN L170 areAnnotationChecker]: L526-1 has no Hoare annotation [2020-07-10 15:09:13,728 WARN L170 areAnnotationChecker]: L526-1 has no Hoare annotation [2020-07-10 15:09:13,728 WARN L170 areAnnotationChecker]: L538-2 has no Hoare annotation [2020-07-10 15:09:13,728 WARN L170 areAnnotationChecker]: L538-2 has no Hoare annotation [2020-07-10 15:09:13,728 WARN L170 areAnnotationChecker]: L538-2 has no Hoare annotation [2020-07-10 15:09:13,729 WARN L170 areAnnotationChecker]: L526-3 has no Hoare annotation [2020-07-10 15:09:13,729 WARN L170 areAnnotationChecker]: L526-3 has no Hoare annotation [2020-07-10 15:09:13,729 WARN L170 areAnnotationChecker]: L538-3 has no Hoare annotation [2020-07-10 15:09:13,729 WARN L170 areAnnotationChecker]: L539 has no Hoare annotation [2020-07-10 15:09:13,729 WARN L170 areAnnotationChecker]: L539 has no Hoare annotation [2020-07-10 15:09:13,729 WARN L170 areAnnotationChecker]: L529 has no Hoare annotation [2020-07-10 15:09:13,729 WARN L170 areAnnotationChecker]: L529 has no Hoare annotation [2020-07-10 15:09:13,729 WARN L170 areAnnotationChecker]: L546-2 has no Hoare annotation [2020-07-10 15:09:13,730 WARN L170 areAnnotationChecker]: L546-2 has no Hoare annotation [2020-07-10 15:09:13,730 WARN L170 areAnnotationChecker]: L546-2 has no Hoare annotation [2020-07-10 15:09:13,730 WARN L170 areAnnotationChecker]: L540 has no Hoare annotation [2020-07-10 15:09:13,730 WARN L170 areAnnotationChecker]: L540 has no Hoare annotation [2020-07-10 15:09:13,730 WARN L170 areAnnotationChecker]: L539-2 has no Hoare annotation [2020-07-10 15:09:13,730 WARN L170 areAnnotationChecker]: L529-1 has no Hoare annotation [2020-07-10 15:09:13,731 WARN L170 areAnnotationChecker]: L529-1 has no Hoare annotation [2020-07-10 15:09:13,731 WARN L170 areAnnotationChecker]: L529-3 has no Hoare annotation [2020-07-10 15:09:13,731 WARN L170 areAnnotationChecker]: L546-3 has no Hoare annotation [2020-07-10 15:09:13,731 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 15:09:13,731 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 15:09:13,731 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. [2020-07-10 15:09:13,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 03:09:13 BoogieIcfgContainer [2020-07-10 15:09:13,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 15:09:13,738 INFO L168 Benchmark]: Toolchain (without parser) took 2429.30 ms. Allocated memory was 139.5 MB in the beginning and 235.4 MB in the end (delta: 95.9 MB). Free memory was 101.6 MB in the beginning and 155.4 MB in the end (delta: -53.8 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. [2020-07-10 15:09:13,740 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-07-10 15:09:13,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.93 ms. Allocated memory was 139.5 MB in the beginning and 205.5 MB in the end (delta: 66.1 MB). Free memory was 101.4 MB in the beginning and 171.2 MB in the end (delta: -69.8 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-07-10 15:09:13,743 INFO L168 Benchmark]: Boogie Preprocessor took 75.16 ms. Allocated memory is still 205.5 MB. Free memory was 171.2 MB in the beginning and 167.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-07-10 15:09:13,744 INFO L168 Benchmark]: RCFGBuilder took 700.03 ms. Allocated memory is still 205.5 MB. Free memory was 167.9 MB in the beginning and 114.6 MB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 7.1 GB. [2020-07-10 15:09:13,745 INFO L168 Benchmark]: TraceAbstraction took 987.52 ms. Allocated memory was 205.5 MB in the beginning and 235.4 MB in the end (delta: 29.9 MB). Free memory was 114.0 MB in the beginning and 155.4 MB in the end (delta: -41.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-10 15:09:13,756 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 660.93 ms. Allocated memory was 139.5 MB in the beginning and 205.5 MB in the end (delta: 66.1 MB). Free memory was 101.4 MB in the beginning and 171.2 MB in the end (delta: -69.8 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.16 ms. Allocated memory is still 205.5 MB. Free memory was 171.2 MB in the beginning and 167.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 700.03 ms. Allocated memory is still 205.5 MB. Free memory was 167.9 MB in the beginning and 114.6 MB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 987.52 ms. Allocated memory was 205.5 MB in the beginning and 235.4 MB in the end (delta: 29.9 MB). Free memory was 114.0 MB in the beginning and 155.4 MB in the end (delta: -41.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 540]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L521] List a = (List) malloc(sizeof(struct node)); VAL [a={-1:0}, malloc(sizeof(struct node))={-1:0}] [L522] COND FALSE !(a == 0) VAL [a={-1:0}, malloc(sizeof(struct node))={-1:0}] [L523] List t; [L524] List p = a; [L525] int i = 0; VAL [a={-1:0}, i=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}] [L526] i < 30 && __VERIFIER_nondet_int() [L526] i < 30 && __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, a={-1:0}, i=0, i < 30 && __VERIFIER_nondet_int()=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}] [L526] COND FALSE !(i < 30 && __VERIFIER_nondet_int()) [L534] p->h = i [L535] p->n = 0 [L536] p = a [L537] i = 0 VAL [a={-1:0}, i=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}] [L538] COND TRUE p!=0 [L539] EXPR p->h VAL [a={-1:0}, i=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}, p->h=0] [L539] COND TRUE p->h != 1 [L540] __VERIFIER_error() VAL [a={-1:0}, i=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 33 SDtfs, 2 SDslu, 4 SDs, 0 SdLazy, 27 SolverSat, 3 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=30occurred 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, 0.1s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 252 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...