java -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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-regression/fo_test.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:28:24,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:28:24,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:28:24,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:28:24,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:28:24,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:28:24,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:28:24,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:28:24,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:28:24,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:28:24,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:28:24,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:28:24,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:28:24,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:28:24,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:28:24,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:28:24,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:28:24,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:28:24,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:28:24,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:28:24,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:28:24,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:28:24,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:28:24,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:28:24,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:28:24,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:28:24,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:28:24,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:28:24,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:28:24,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:28:24,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:28:24,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:28:24,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:28:24,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:28:24,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:28:24,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:28:24,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:28:24,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:28:24,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:28:24,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:28:24,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:28:24,932 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:28:24,948 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:28:24,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:28:24,948 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:28:24,949 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:28:24,949 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:28:24,950 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:28:24,950 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:28:24,950 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:28:24,950 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:28:24,950 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:28:24,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:28:24,954 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:28:24,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:28:24,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:28:24,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:28:24,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:28:24,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:28:24,955 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:28:24,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:28:24,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:28:24,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:28:24,956 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:28:24,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:28:24,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:28:24,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:28:24,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:28:24,957 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:28:24,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:28:24,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:28:24,957 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:28:25,002 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:28:25,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:28:25,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:28:25,021 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:28:25,022 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:28:25,023 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/fo_test.i [2019-09-20 13:28:25,088 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca6f33115/935d45844ff344a2b2b8316d746daac1/FLAG7df1448f6 [2019-09-20 13:28:25,648 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:28:25,649 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/fo_test.i [2019-09-20 13:28:25,676 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca6f33115/935d45844ff344a2b2b8316d746daac1/FLAG7df1448f6 [2019-09-20 13:28:25,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca6f33115/935d45844ff344a2b2b8316d746daac1 [2019-09-20 13:28:25,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:28:25,949 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:28:25,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:28:25,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:28:25,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:28:25,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:25" (1/1) ... [2019-09-20 13:28:25,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e4921f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:25, skipping insertion in model container [2019-09-20 13:28:25,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:25" (1/1) ... [2019-09-20 13:28:25,967 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:28:26,031 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:28:26,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:28:26,510 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:28:26,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:28:26,629 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:28:26,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26 WrapperNode [2019-09-20 13:28:26,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:28:26,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:28:26,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:28:26,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:28:26,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26" (1/1) ... [2019-09-20 13:28:26,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26" (1/1) ... [2019-09-20 13:28:26,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26" (1/1) ... [2019-09-20 13:28:26,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26" (1/1) ... [2019-09-20 13:28:26,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26" (1/1) ... [2019-09-20 13:28:26,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26" (1/1) ... [2019-09-20 13:28:26,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26" (1/1) ... [2019-09-20 13:28:26,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:28:26,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:28:26,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:28:26,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:28:26,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26" (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 [2019-09-20 13:28:26,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:28:26,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:28:26,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-20 13:28:26,755 INFO L138 BoogieDeclarations]: Found implementation of procedure open [2019-09-20 13:28:26,755 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:28:26,755 INFO L138 BoogieDeclarations]: Found implementation of procedure l_read [2019-09-20 13:28:26,755 INFO L138 BoogieDeclarations]: Found implementation of procedure l_open [2019-09-20 13:28:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:28:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 13:28:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 13:28:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 13:28:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 13:28:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 13:28:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 13:28:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 13:28:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 13:28:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 13:28:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 13:28:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 13:28:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 13:28:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 13:28:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 13:28:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 13:28:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 13:28:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 13:28:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 13:28:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 13:28:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 13:28:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 13:28:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 13:28:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 13:28:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 13:28:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 13:28:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 13:28:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 13:28:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 13:28:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 13:28:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 13:28:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 13:28:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 13:28:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 13:28:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 13:28:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 13:28:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 13:28:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 13:28:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 13:28:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 13:28:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 13:28:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 13:28:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 13:28:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 13:28:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 13:28:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 13:28:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 13:28:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 13:28:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 13:28:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 13:28:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 13:28:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:28:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 13:28:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 13:28:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:28:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 13:28:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 13:28:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 13:28:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 13:28:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 13:28:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 13:28:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 13:28:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 13:28:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 13:28:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 13:28:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-09-20 13:28:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 13:28:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 13:28:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 13:28:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 13:28:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 13:28:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 13:28:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 13:28:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 13:28:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 13:28:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 13:28:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 13:28:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 13:28:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 13:28:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 13:28:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 13:28:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 13:28:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 13:28:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 13:28:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 13:28:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 13:28:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 13:28:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 13:28:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 13:28:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 13:28:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 13:28:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 13:28:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 13:28:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 13:28:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 13:28:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 13:28:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 13:28:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 13:28:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 13:28:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 13:28:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure posix_openpt [2019-09-20 13:28:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 13:28:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-20 13:28:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure stat [2019-09-20 13:28:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure fstat [2019-09-20 13:28:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure fstatat [2019-09-20 13:28:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure lstat [2019-09-20 13:28:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure chmod [2019-09-20 13:28:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure lchmod [2019-09-20 13:28:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure fchmod [2019-09-20 13:28:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure fchmodat [2019-09-20 13:28:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure umask [2019-09-20 13:28:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure mkdir [2019-09-20 13:28:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure mkdirat [2019-09-20 13:28:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure mknod [2019-09-20 13:28:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure mknodat [2019-09-20 13:28:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure mkfifo [2019-09-20 13:28:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure mkfifoat [2019-09-20 13:28:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure utimensat [2019-09-20 13:28:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure futimens [2019-09-20 13:28:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure __fxstat [2019-09-20 13:28:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure __xstat [2019-09-20 13:28:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure __lxstat [2019-09-20 13:28:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure __fxstatat [2019-09-20 13:28:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure __xmknod [2019-09-20 13:28:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure __xmknodat [2019-09-20 13:28:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2019-09-20 13:28:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure open [2019-09-20 13:28:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure openat [2019-09-20 13:28:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure openat64 [2019-09-20 13:28:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure creat [2019-09-20 13:28:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure lockf [2019-09-20 13:28:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure posix_fadvise [2019-09-20 13:28:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure posix_fallocate [2019-09-20 13:28:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-20 13:28:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:28:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure l_read [2019-09-20 13:28:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure l_open [2019-09-20 13:28:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:28:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:28:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:28:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:28:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:28:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:28:27,278 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:28:27,278 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:28:27,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:27 BoogieIcfgContainer [2019-09-20 13:28:27,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:28:27,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:28:27,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:28:27,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:28:27,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:28:25" (1/3) ... [2019-09-20 13:28:27,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161f6680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:28:27, skipping insertion in model container [2019-09-20 13:28:27,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26" (2/3) ... [2019-09-20 13:28:27,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161f6680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:28:27, skipping insertion in model container [2019-09-20 13:28:27,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:27" (3/3) ... [2019-09-20 13:28:27,288 INFO L109 eAbstractionObserver]: Analyzing ICFG fo_test.i [2019-09-20 13:28:27,298 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:28:27,306 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:28:27,324 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:28:27,352 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:28:27,352 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:28:27,352 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:28:27,353 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:28:27,353 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:28:27,353 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:28:27,353 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:28:27,354 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:28:27,369 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-09-20 13:28:27,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-20 13:28:27,380 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:28:27,381 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:28:27,383 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:28:27,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:28:27,390 INFO L82 PathProgramCache]: Analyzing trace with hash -722045737, now seen corresponding path program 1 times [2019-09-20 13:28:27,392 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:28:27,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:27,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:28:27,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:27,450 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:28:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:28:27,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:28:27,587 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:28:27,587 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:28:27,588 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:28:27,592 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:28:27,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:28:27,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:28:27,609 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 3 states. [2019-09-20 13:28:27,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:28:27,642 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2019-09-20 13:28:27,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:28:27,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-09-20 13:28:27,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:28:27,653 INFO L225 Difference]: With dead ends: 34 [2019-09-20 13:28:27,653 INFO L226 Difference]: Without dead ends: 19 [2019-09-20 13:28:27,655 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:28:27,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-09-20 13:28:27,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-09-20 13:28:27,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-09-20 13:28:27,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2019-09-20 13:28:27,690 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 18 [2019-09-20 13:28:27,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:28:27,691 INFO L475 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2019-09-20 13:28:27,691 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:28:27,691 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-09-20 13:28:27,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-20 13:28:27,692 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:28:27,693 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:28:27,693 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:28:27,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:28:27,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1115072747, now seen corresponding path program 1 times [2019-09-20 13:28:27,694 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:28:27,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:27,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:28:27,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:27,699 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:28:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-20 13:28:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-20 13:28:27,786 INFO L474 BasicCegarLoop]: Counterexample might be feasible [2019-09-20 13:28:27,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:28:27 BoogieIcfgContainer [2019-09-20 13:28:27,823 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:28:27,826 INFO L168 Benchmark]: Toolchain (without parser) took 1876.05 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.8 MB in the beginning and 81.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 73.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:27,827 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:28:27,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.64 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.4 MB in the beginning and 159.2 MB in the end (delta: -72.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:27,830 INFO L168 Benchmark]: Boogie Preprocessor took 60.42 ms. Allocated memory is still 200.3 MB. Free memory was 159.2 MB in the beginning and 156.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:27,831 INFO L168 Benchmark]: RCFGBuilder took 588.27 ms. Allocated memory is still 200.3 MB. Free memory was 156.5 MB in the beginning and 110.5 MB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:27,832 INFO L168 Benchmark]: TraceAbstraction took 542.62 ms. Allocated memory is still 200.3 MB. Free memory was 110.5 MB in the beginning and 81.4 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:27,836 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 679.64 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.4 MB in the beginning and 159.2 MB in the end (delta: -72.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.42 ms. Allocated memory is still 200.3 MB. Free memory was 159.2 MB in the beginning and 156.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 588.27 ms. Allocated memory is still 200.3 MB. Free memory was 156.5 MB in the beginning and 110.5 MB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 542.62 ms. Allocated memory is still 200.3 MB. Free memory was 110.5 MB in the beginning and 81.4 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 960]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1158. Possible FailurePath: [L1152] int globalState = 0; [L1158] CALL, EXPR l_open("unknown",00) VAL [\old(flags)=0, \old(globalState)=0, file={-1:0}, globalState=0] [L1170] int fd = open(file,flags); VAL [\old(flags)=0, \old(globalState)=0, fd=0, file={-1:0}, file={-1:0}, flags=0, globalState=0, open(file,flags)=0] [L1171] COND FALSE !(fd>0) VAL [\old(flags)=0, \old(globalState)=0, fd=0, file={-1:0}, file={-1:0}, flags=0, globalState=0, open(file,flags)=0] [L1172] return fd; VAL [\old(flags)=0, \old(globalState)=0, \result=0, fd=0, file={-1:0}, file={-1:0}, flags=0, globalState=0, open(file,flags)=0] [L1158] RET, EXPR l_open("unknown",00) VAL [\old(argc)=108, \old(globalState)=0, argc=108, argv={105:103}, argv={105:103}, globalState=0, l_open("unknown",00)=0] [L1158] int file = l_open("unknown",00); [L1159] void* cbuf = (void*) malloc(sizeof(char)*100); VAL [\old(argc)=108, \old(globalState)=0, argc=108, argv={105:103}, argv={105:103}, cbuf={1:0}, file=0, globalState=0, malloc(sizeof(char)*100)={1:0}] [L1160] CALL l_read(file,cbuf,99) VAL [\old(count)=99, \old(fd)=0, \old(globalState)=0, cbuf={1:0}, globalState=0] [L1165] (globalState == 1) ? (0) : __blast_assert () VAL [\old(count)=99, \old(fd)=0, \old(globalState)=0, cbuf={1:0}, cbuf={1:0}, count=99, fd=0, globalState=0] [L1165] CALL __blast_assert () VAL [\old(globalState)=0, globalState=0] [L960] __VERIFIER_error() VAL [\old(globalState)=0, globalState=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 32 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 27 SDtfs, 9 SDslu, 16 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...