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/heap-manipulation/sll_to_dll_rev-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:28:12,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:28:12,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:28:12,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:28:12,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:28:12,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:28:12,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:28:12,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:28:12,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:28:12,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:28:12,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:28:12,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:28:12,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:28:12,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:28:12,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:28:12,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:28:12,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:28:12,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:28:12,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:28:12,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:28:12,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:28:12,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:28:12,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:28:12,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:28:12,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:28:12,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:28:12,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:28:12,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:28:12,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:28:12,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:28:12,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:28:12,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:28:12,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:28:12,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:28:12,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:28:12,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:28:12,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:28:12,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:28:12,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:28:12,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:28:12,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:28:12,863 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 13:28:12,891 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:28:12,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:28:12,892 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:28:12,892 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:28:12,893 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:28:12,893 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:28:12,893 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:28:12,893 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:28:12,894 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:28:12,894 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:28:12,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:28:12,895 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:28:12,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:28:12,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:28:12,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:28:12,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:28:12,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:28:12,898 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:28:12,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:28:12,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:28:12,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:28:12,899 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:28:12,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:28:12,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:28:12,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:28:12,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:28:12,900 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:28:12,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:28:12,901 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:28:12,901 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:28:12,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:28:12,976 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:28:12,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:28:12,982 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:28:12,982 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:28:12,983 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/sll_to_dll_rev-2.i [2019-09-20 13:28:13,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bf133935/9a27e1c24094488289d076c4558e32d0/FLAG27d95492c [2019-09-20 13:28:13,619 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:28:13,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/sll_to_dll_rev-2.i [2019-09-20 13:28:13,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bf133935/9a27e1c24094488289d076c4558e32d0/FLAG27d95492c [2019-09-20 13:28:13,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bf133935/9a27e1c24094488289d076c4558e32d0 [2019-09-20 13:28:13,970 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:28:13,972 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:28:13,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:28:13,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:28:13,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:28:13,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:13" (1/1) ... [2019-09-20 13:28:13,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7884b47b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:13, skipping insertion in model container [2019-09-20 13:28:13,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:13" (1/1) ... [2019-09-20 13:28:13,992 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:28:14,058 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:28:14,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:28:14,521 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:28:14,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:28:14,689 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:28:14,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:14 WrapperNode [2019-09-20 13:28:14,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:28:14,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:28:14,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:28:14,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:28:14,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:14" (1/1) ... [2019-09-20 13:28:14,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:14" (1/1) ... [2019-09-20 13:28:14,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:14" (1/1) ... [2019-09-20 13:28:14,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:14" (1/1) ... [2019-09-20 13:28:14,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:14" (1/1) ... [2019-09-20 13:28:14,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:14" (1/1) ... [2019-09-20 13:28:14,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:14" (1/1) ... [2019-09-20 13:28:14,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:28:14,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:28:14,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:28:14,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:28:14,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:14" (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 13:28:14,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:28:14,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:28:14,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 13:28:14,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 13:28:14,870 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2019-09-20 13:28:14,871 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_node [2019-09-20 13:28:14,871 INFO L138 BoogieDeclarations]: Found implementation of procedure chain_node [2019-09-20 13:28:14,871 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sll [2019-09-20 13:28:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure init_back_link [2019-09-20 13:28:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure reverse_dll [2019-09-20 13:28:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_fw_link [2019-09-20 13:28:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_next [2019-09-20 13:28:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_prev [2019-09-20 13:28:14,874 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:28:14,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:28:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 13:28:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 13:28:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 13:28:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 13:28:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 13:28:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 13:28:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 13:28:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 13:28:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 13:28:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 13:28:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 13:28:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 13:28:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 13:28:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 13:28:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 13:28:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 13:28:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 13:28:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 13:28:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 13:28:14,880 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 13:28:14,880 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 13:28:14,880 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 13:28:14,880 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 13:28:14,880 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 13:28:14,880 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 13:28:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 13:28:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 13:28:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 13:28:14,882 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 13:28:14,882 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 13:28:14,882 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 13:28:14,882 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 13:28:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 13:28:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 13:28:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 13:28:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 13:28:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 13:28:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 13:28:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 13:28:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 13:28:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 13:28:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 13:28:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 13:28:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 13:28:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 13:28:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 13:28:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 13:28:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 13:28:14,887 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 13:28:14,887 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 13:28:14,887 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 13:28:14,887 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 13:28:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:28:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 13:28:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 13:28:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:28:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 13:28:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 13:28:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 13:28:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 13:28:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 13:28:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 13:28:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 13:28:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 13:28:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 13:28:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 13:28:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 13:28:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 13:28:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 13:28:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 13:28:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 13:28:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 13:28:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 13:28:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 13:28:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 13:28:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 13:28:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 13:28:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 13:28:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 13:28:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 13:28:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 13:28:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 13:28:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 13:28:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 13:28:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 13:28:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 13:28:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 13:28:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 13:28:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 13:28:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 13:28:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 13:28:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 13:28:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 13:28:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 13:28:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 13:28:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 13:28:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 13:28:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 13:28:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 13:28:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 13:28:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 13:28:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 13:28:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:28:14,899 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2019-09-20 13:28:14,899 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_node [2019-09-20 13:28:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:28:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:28:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure chain_node [2019-09-20 13:28:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:28:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure create_sll [2019-09-20 13:28:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:28:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:28:14,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:28:14,901 INFO L130 BoogieDeclarations]: Found specification of procedure init_back_link [2019-09-20 13:28:14,901 INFO L130 BoogieDeclarations]: Found specification of procedure reverse_dll [2019-09-20 13:28:14,901 INFO L130 BoogieDeclarations]: Found specification of procedure remove_fw_link [2019-09-20 13:28:14,902 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_next [2019-09-20 13:28:14,902 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_prev [2019-09-20 13:28:14,902 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:28:14,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:28:14,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:28:15,643 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:28:15,644 INFO L283 CfgBuilder]: Removed 33 assume(true) statements. [2019-09-20 13:28:15,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:15 BoogieIcfgContainer [2019-09-20 13:28:15,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:28:15,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:28:15,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:28:15,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:28:15,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:28:13" (1/3) ... [2019-09-20 13:28:15,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c286d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:28:15, skipping insertion in model container [2019-09-20 13:28:15,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:14" (2/3) ... [2019-09-20 13:28:15,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c286d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:28:15, skipping insertion in model container [2019-09-20 13:28:15,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:15" (3/3) ... [2019-09-20 13:28:15,654 INFO L109 eAbstractionObserver]: Analyzing ICFG sll_to_dll_rev-2.i [2019-09-20 13:28:15,664 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:28:15,672 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:28:15,686 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:28:15,708 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:28:15,709 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:28:15,709 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:28:15,709 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:28:15,709 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:28:15,709 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:28:15,709 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:28:15,710 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:28:15,728 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-09-20 13:28:15,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-09-20 13:28:15,740 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:28:15,741 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:28:15,744 INFO L418 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:28:15,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:28:15,750 INFO L82 PathProgramCache]: Analyzing trace with hash 661827092, now seen corresponding path program 1 times [2019-09-20 13:28:15,752 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:28:15,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:15,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:28:15,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:15,822 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:28:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:28:15,949 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 13:28:15,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:28:15,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:28:15,952 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:28:15,957 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:28:15,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:28:15,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:28:15,976 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-09-20 13:28:15,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:28:15,999 INFO L93 Difference]: Finished difference Result 57 states and 66 transitions. [2019-09-20 13:28:15,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:28:16,001 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2019-09-20 13:28:16,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:28:16,011 INFO L225 Difference]: With dead ends: 57 [2019-09-20 13:28:16,011 INFO L226 Difference]: Without dead ends: 56 [2019-09-20 13:28:16,013 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:28:16,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-09-20 13:28:16,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2019-09-20 13:28:16,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-09-20 13:28:16,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 65 transitions. [2019-09-20 13:28:16,057 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 65 transitions. Word has length 23 [2019-09-20 13:28:16,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:28:16,058 INFO L475 AbstractCegarLoop]: Abstraction has 56 states and 65 transitions. [2019-09-20 13:28:16,058 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:28:16,058 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2019-09-20 13:28:16,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-20 13:28:16,061 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:28:16,061 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:28:16,061 INFO L418 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:28:16,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:28:16,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1588142453, now seen corresponding path program 1 times [2019-09-20 13:28:16,062 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:28:16,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:16,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:28:16,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:16,067 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:28:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:28:17,378 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-20 13:28:17,379 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:28:17,379 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-20 13:28:17,380 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 60 with the following transitions: [2019-09-20 13:28:17,382 INFO L207 CegarAbsIntRunner]: [16], [21], [23], [24], [25], [28], [29], [48], [50], [163], [262], [268], [271], [277], [283], [286], [292], [298], [301], [307], [308], [309], [311], [312], [313], [319], [390], [391], [392], [420], [421], [422], [423], [424], [425], [426], [427], [428], [434], [435], [436] [2019-09-20 13:28:17,430 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-20 13:28:17,430 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:28:17,539 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:28:17,541 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 17 root evaluator evaluations with a maximum evaluation depth of 0. Performed 17 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 26 variables. [2019-09-20 13:28:17,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:28:17,545 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-20 13:28:17,617 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes. [2019-09-20 13:28:17,617 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-20 13:28:17,627 INFO L420 sIntCurrentIteration]: We unified 58 AI predicates to 58 [2019-09-20 13:28:17,628 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-20 13:28:17,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:28:17,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [24] total 24 [2019-09-20 13:28:17,629 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:28:17,634 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:28:17,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:28:17,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:28:17,635 INFO L87 Difference]: Start difference. First operand 56 states and 65 transitions. Second operand 2 states. [2019-09-20 13:28:17,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:28:17,637 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2019-09-20 13:28:17,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:28:17,637 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-09-20 13:28:17,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:28:17,638 INFO L225 Difference]: With dead ends: 6 [2019-09-20 13:28:17,638 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:28:17,639 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:28:17,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:28:17,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:28:17,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:28:17,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:28:17,640 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2019-09-20 13:28:17,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:28:17,640 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:28:17,640 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:28:17,640 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:28:17,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:28:17,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:28:17 BoogieIcfgContainer [2019-09-20 13:28:17,647 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:28:17,651 INFO L168 Benchmark]: Toolchain (without parser) took 3677.36 ms. Allocated memory was 132.1 MB in the beginning and 267.9 MB in the end (delta: 135.8 MB). Free memory was 86.1 MB in the beginning and 221.0 MB in the end (delta: -134.9 MB). Peak memory consumption was 896.9 kB. Max. memory is 7.1 GB. [2019-09-20 13:28:17,652 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:28:17,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.27 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 85.9 MB in the beginning and 159.3 MB in the end (delta: -73.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:17,657 INFO L168 Benchmark]: Boogie Preprocessor took 103.37 ms. Allocated memory is still 199.8 MB. Free memory was 159.3 MB in the beginning and 155.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:17,658 INFO L168 Benchmark]: RCFGBuilder took 851.29 ms. Allocated memory is still 199.8 MB. Free memory was 155.5 MB in the beginning and 89.9 MB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:17,660 INFO L168 Benchmark]: TraceAbstraction took 2000.26 ms. Allocated memory was 199.8 MB in the beginning and 267.9 MB in the end (delta: 68.2 MB). Free memory was 89.3 MB in the beginning and 221.0 MB in the end (delta: -131.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:28:17,672 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 717.27 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 85.9 MB in the beginning and 159.3 MB in the end (delta: -73.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.37 ms. Allocated memory is still 199.8 MB. Free memory was 159.3 MB in the beginning and 155.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 851.29 ms. Allocated memory is still 199.8 MB. Free memory was 155.5 MB in the beginning and 89.9 MB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2000.26 ms. Allocated memory was 199.8 MB in the beginning and 267.9 MB in the end (delta: 68.2 MB). Free memory was 89.3 MB in the beginning and 221.0 MB in the end (delta: -131.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 554]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 123 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 2 OverallIterations, 3 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 71 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9827586206896551 AbsIntWeakeningRatio, 1.5172413793103448 AbsIntAvgWeakeningVarsNumRemoved, 0.10344827586206896 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 69214 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 28/30 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...