/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:24:57,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:24:57,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:24:57,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:24:57,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:24:57,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:24:57,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:24:57,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:24:57,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:24:57,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:24:57,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:24:57,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:24:57,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:24:57,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:24:57,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:24:57,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:24:57,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:24:57,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:24:57,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:24:57,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:24:57,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:24:57,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:24:57,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:24:57,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:24:57,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 00:24:57,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 00:24:57,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 00:24:57,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 00:24:57,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 00:24:57,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 00:24:57,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 00:24:57,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 00:24:57,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 00:24:57,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 00:24:57,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 00:24:57,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 00:24:57,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 00:24:57,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 00:24:57,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:24:57,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:24:58,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:24:58,001 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:24:58,010 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:24:58,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:24:58,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:24:58,012 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:24:58,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:24:58,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:24:58,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:24:58,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:24:58,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:24:58,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:24:58,013 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:24:58,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:24:58,013 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:24:58,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:24:58,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:24:58,014 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:24:58,014 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:24:58,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:24:58,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:24:58,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:24:58,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:24:58,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:24:58,015 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:24:58,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:24:58,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:24:58,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:24:58,336 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:24:58,337 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:24:58,337 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-07-18 00:24:58,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa47fdd0e/7b05a8af3f214194b3072cd19de4efc3/FLAGd9098dcb6 [2020-07-18 00:24:58,952 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:24:58,953 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-07-18 00:24:58,969 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa47fdd0e/7b05a8af3f214194b3072cd19de4efc3/FLAGd9098dcb6 [2020-07-18 00:24:59,281 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa47fdd0e/7b05a8af3f214194b3072cd19de4efc3 [2020-07-18 00:24:59,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:24:59,293 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:24:59,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:24:59,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:24:59,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:24:59,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:24:59" (1/1) ... [2020-07-18 00:24:59,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f736972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:59, skipping insertion in model container [2020-07-18 00:24:59,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:24:59" (1/1) ... [2020-07-18 00:24:59,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:24:59,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:24:59,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:24:59,819 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:24:59,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:24:59,952 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:24:59,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:59 WrapperNode [2020-07-18 00:24:59,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:24:59,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:24:59,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:24:59,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:24:59,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:59" (1/1) ... [2020-07-18 00:24:59,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:59" (1/1) ... [2020-07-18 00:24:59,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:59" (1/1) ... [2020-07-18 00:24:59,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:59" (1/1) ... [2020-07-18 00:25:00,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:59" (1/1) ... [2020-07-18 00:25:00,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:59" (1/1) ... [2020-07-18 00:25:00,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:59" (1/1) ... [2020-07-18 00:25:00,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:25:00,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:25:00,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:25:00,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:25:00,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:25:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:25:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:25:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-18 00:25:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-18 00:25:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-07-18 00:25:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-07-18 00:25:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-07-18 00:25:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2020-07-18 00:25:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2020-07-18 00:25:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2020-07-18 00:25:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:25:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:25:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-18 00:25:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-18 00:25:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-18 00:25:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-18 00:25:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-18 00:25:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-18 00:25:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-18 00:25:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-18 00:25:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-18 00:25:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-18 00:25:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-18 00:25:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-18 00:25:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-18 00:25:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-18 00:25:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-18 00:25:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-18 00:25:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-18 00:25:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-18 00:25:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-18 00:25:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-18 00:25:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-18 00:25:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-18 00:25:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-18 00:25:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-18 00:25:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-18 00:25:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-18 00:25:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-18 00:25:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-18 00:25:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-18 00:25:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-18 00:25:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-18 00:25:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-18 00:25:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-18 00:25:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-18 00:25:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-18 00:25:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-18 00:25:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-18 00:25:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-18 00:25:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-18 00:25:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-18 00:25:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-18 00:25:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-18 00:25:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-18 00:25:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-18 00:25:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-18 00:25:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-18 00:25:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-18 00:25:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-18 00:25:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-18 00:25:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-18 00:25:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-18 00:25:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-18 00:25:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-18 00:25:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-18 00:25:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-18 00:25:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-18 00:25:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-18 00:25:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-18 00:25:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-18 00:25:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-18 00:25:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-18 00:25:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-18 00:25:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-18 00:25:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-18 00:25:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-18 00:25:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-18 00:25:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-18 00:25:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-18 00:25:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-18 00:25:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-18 00:25:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-18 00:25:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-18 00:25:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-18 00:25:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-18 00:25:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-18 00:25:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-18 00:25:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-18 00:25:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-18 00:25:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-18 00:25:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-18 00:25:00,114 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-18 00:25:00,114 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-18 00:25:00,114 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-18 00:25:00,114 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-18 00:25:00,114 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-18 00:25:00,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-18 00:25:00,114 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-18 00:25:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-18 00:25:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-18 00:25:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-18 00:25:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-18 00:25:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-18 00:25:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-18 00:25:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-18 00:25:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-18 00:25:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-18 00:25:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-18 00:25:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-18 00:25:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-18 00:25:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-18 00:25:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-18 00:25:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-18 00:25:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-18 00:25:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-18 00:25:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-18 00:25:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-07-18 00:25:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-07-18 00:25:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-18 00:25:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-18 00:25:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:25:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-07-18 00:25:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2020-07-18 00:25:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-18 00:25:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:25:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2020-07-18 00:25:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:25:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2020-07-18 00:25:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:25:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:25:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:25:00,620 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-07-18 00:25:00,937 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:25:00,938 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-18 00:25:00,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:25:00 BoogieIcfgContainer [2020-07-18 00:25:00,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:25:00,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:25:00,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:25:00,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:25:00,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:24:59" (1/3) ... [2020-07-18 00:25:00,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb5f8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:25:00, skipping insertion in model container [2020-07-18 00:25:00,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:59" (2/3) ... [2020-07-18 00:25:00,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb5f8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:25:00, skipping insertion in model container [2020-07-18 00:25:00,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:25:00" (3/3) ... [2020-07-18 00:25:00,952 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2020-07-18 00:25:00,963 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:25:00,971 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:25:00,986 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:25:01,005 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:25:01,006 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:25:01,006 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:25:01,006 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:25:01,006 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:25:01,007 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:25:01,007 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:25:01,007 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:25:01,023 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2020-07-18 00:25:01,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-18 00:25:01,036 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:25:01,038 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:25:01,038 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:25:01,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:25:01,045 INFO L82 PathProgramCache]: Analyzing trace with hash 482514570, now seen corresponding path program 1 times [2020-07-18 00:25:01,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:25:01,053 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [520152946] [2020-07-18 00:25:01,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:25:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:25:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:25:01,287 INFO L280 TraceCheckUtils]: 0: Hoare triple {128#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {106#true} is VALID [2020-07-18 00:25:01,288 INFO L280 TraceCheckUtils]: 1: Hoare triple {106#true} #valid := #valid[0 := 0]; {106#true} is VALID [2020-07-18 00:25:01,288 INFO L280 TraceCheckUtils]: 2: Hoare triple {106#true} assume 0 < #StackHeapBarrier; {106#true} is VALID [2020-07-18 00:25:01,289 INFO L280 TraceCheckUtils]: 3: Hoare triple {106#true} assume true; {106#true} is VALID [2020-07-18 00:25:01,289 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {106#true} {106#true} #194#return; {106#true} is VALID [2020-07-18 00:25:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:25:01,357 INFO L280 TraceCheckUtils]: 0: Hoare triple {129#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {106#true} is VALID [2020-07-18 00:25:01,358 INFO L280 TraceCheckUtils]: 1: Hoare triple {106#true} ~data := #in~data; {106#true} is VALID [2020-07-18 00:25:01,358 INFO L280 TraceCheckUtils]: 2: Hoare triple {106#true} ~head~0.base, ~head~0.offset := 0, 0; {106#true} is VALID [2020-07-18 00:25:01,359 INFO L280 TraceCheckUtils]: 3: Hoare triple {106#true} assume !true; {107#false} is VALID [2020-07-18 00:25:01,360 INFO L280 TraceCheckUtils]: 4: Hoare triple {107#false} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {107#false} is VALID [2020-07-18 00:25:01,360 INFO L280 TraceCheckUtils]: 5: Hoare triple {107#false} assume true; {107#false} is VALID [2020-07-18 00:25:01,360 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {107#false} {106#true} #186#return; {107#false} is VALID [2020-07-18 00:25:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:25:01,378 INFO L280 TraceCheckUtils]: 0: Hoare triple {106#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {106#true} is VALID [2020-07-18 00:25:01,379 INFO L280 TraceCheckUtils]: 1: Hoare triple {106#true} ~index := #in~index; {106#true} is VALID [2020-07-18 00:25:01,383 INFO L280 TraceCheckUtils]: 2: Hoare triple {106#true} assume !true; {107#false} is VALID [2020-07-18 00:25:01,384 INFO L280 TraceCheckUtils]: 3: Hoare triple {107#false} SUMMARY for call #t~mem8 := read~int(~head.base, ~head.offset, 4); srcloc: L589-3 {107#false} is VALID [2020-07-18 00:25:01,384 INFO L280 TraceCheckUtils]: 4: Hoare triple {107#false} #res := #t~mem8; {107#false} is VALID [2020-07-18 00:25:01,384 INFO L280 TraceCheckUtils]: 5: Hoare triple {107#false} havoc #t~mem8; {107#false} is VALID [2020-07-18 00:25:01,385 INFO L280 TraceCheckUtils]: 6: Hoare triple {107#false} assume true; {107#false} is VALID [2020-07-18 00:25:01,385 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {107#false} {107#false} #190#return; {107#false} is VALID [2020-07-18 00:25:01,387 INFO L263 TraceCheckUtils]: 0: Hoare triple {106#true} call ULTIMATE.init(); {128#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 00:25:01,388 INFO L280 TraceCheckUtils]: 1: Hoare triple {128#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {106#true} is VALID [2020-07-18 00:25:01,388 INFO L280 TraceCheckUtils]: 2: Hoare triple {106#true} #valid := #valid[0 := 0]; {106#true} is VALID [2020-07-18 00:25:01,388 INFO L280 TraceCheckUtils]: 3: Hoare triple {106#true} assume 0 < #StackHeapBarrier; {106#true} is VALID [2020-07-18 00:25:01,389 INFO L280 TraceCheckUtils]: 4: Hoare triple {106#true} assume true; {106#true} is VALID [2020-07-18 00:25:01,389 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {106#true} {106#true} #194#return; {106#true} is VALID [2020-07-18 00:25:01,389 INFO L263 TraceCheckUtils]: 6: Hoare triple {106#true} call #t~ret15 := main(); {106#true} is VALID [2020-07-18 00:25:01,390 INFO L280 TraceCheckUtils]: 7: Hoare triple {106#true} ~len~0 := 2; {106#true} is VALID [2020-07-18 00:25:01,390 INFO L280 TraceCheckUtils]: 8: Hoare triple {106#true} ~data~0 := 1; {106#true} is VALID [2020-07-18 00:25:01,393 INFO L263 TraceCheckUtils]: 9: Hoare triple {106#true} call #t~ret11.base, #t~ret11.offset := sll_create(~len~0, ~data~0); {129#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-18 00:25:01,393 INFO L280 TraceCheckUtils]: 10: Hoare triple {129#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {106#true} is VALID [2020-07-18 00:25:01,394 INFO L280 TraceCheckUtils]: 11: Hoare triple {106#true} ~data := #in~data; {106#true} is VALID [2020-07-18 00:25:01,394 INFO L280 TraceCheckUtils]: 12: Hoare triple {106#true} ~head~0.base, ~head~0.offset := 0, 0; {106#true} is VALID [2020-07-18 00:25:01,397 INFO L280 TraceCheckUtils]: 13: Hoare triple {106#true} assume !true; {107#false} is VALID [2020-07-18 00:25:01,397 INFO L280 TraceCheckUtils]: 14: Hoare triple {107#false} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {107#false} is VALID [2020-07-18 00:25:01,398 INFO L280 TraceCheckUtils]: 15: Hoare triple {107#false} assume true; {107#false} is VALID [2020-07-18 00:25:01,398 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {107#false} {106#true} #186#return; {107#false} is VALID [2020-07-18 00:25:01,398 INFO L280 TraceCheckUtils]: 17: Hoare triple {107#false} ~s~0.base, ~s~0.offset := #t~ret11.base, #t~ret11.offset; {107#false} is VALID [2020-07-18 00:25:01,399 INFO L280 TraceCheckUtils]: 18: Hoare triple {107#false} havoc #t~ret11.base, #t~ret11.offset; {107#false} is VALID [2020-07-18 00:25:01,399 INFO L280 TraceCheckUtils]: 19: Hoare triple {107#false} havoc ~i~0; {107#false} is VALID [2020-07-18 00:25:01,399 INFO L280 TraceCheckUtils]: 20: Hoare triple {107#false} ~i~0 := ~len~0 - 1; {107#false} is VALID [2020-07-18 00:25:01,400 INFO L280 TraceCheckUtils]: 21: Hoare triple {107#false} assume !(~i~0 >= 0); {107#false} is VALID [2020-07-18 00:25:01,400 INFO L280 TraceCheckUtils]: 22: Hoare triple {107#false} ~i~0 := ~len~0 - 1; {107#false} is VALID [2020-07-18 00:25:01,400 INFO L280 TraceCheckUtils]: 23: Hoare triple {107#false} assume !!(~i~0 >= 0); {107#false} is VALID [2020-07-18 00:25:01,400 INFO L280 TraceCheckUtils]: 24: Hoare triple {107#false} ~expected~0 := ~i~0 + ~len~0; {107#false} is VALID [2020-07-18 00:25:01,401 INFO L263 TraceCheckUtils]: 25: Hoare triple {107#false} call #t~ret14 := sll_get_data_at(~s~0.base, ~s~0.offset, ~i~0); {106#true} is VALID [2020-07-18 00:25:01,401 INFO L280 TraceCheckUtils]: 26: Hoare triple {106#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {106#true} is VALID [2020-07-18 00:25:01,401 INFO L280 TraceCheckUtils]: 27: Hoare triple {106#true} ~index := #in~index; {106#true} is VALID [2020-07-18 00:25:01,403 INFO L280 TraceCheckUtils]: 28: Hoare triple {106#true} assume !true; {107#false} is VALID [2020-07-18 00:25:01,403 INFO L280 TraceCheckUtils]: 29: Hoare triple {107#false} SUMMARY for call #t~mem8 := read~int(~head.base, ~head.offset, 4); srcloc: L589-3 {107#false} is VALID [2020-07-18 00:25:01,403 INFO L280 TraceCheckUtils]: 30: Hoare triple {107#false} #res := #t~mem8; {107#false} is VALID [2020-07-18 00:25:01,404 INFO L280 TraceCheckUtils]: 31: Hoare triple {107#false} havoc #t~mem8; {107#false} is VALID [2020-07-18 00:25:01,404 INFO L280 TraceCheckUtils]: 32: Hoare triple {107#false} assume true; {107#false} is VALID [2020-07-18 00:25:01,404 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {107#false} {107#false} #190#return; {107#false} is VALID [2020-07-18 00:25:01,405 INFO L280 TraceCheckUtils]: 34: Hoare triple {107#false} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {107#false} is VALID [2020-07-18 00:25:01,405 INFO L280 TraceCheckUtils]: 35: Hoare triple {107#false} assume ~expected~0 != #t~ret14; {107#false} is VALID [2020-07-18 00:25:01,409 INFO L280 TraceCheckUtils]: 36: Hoare triple {107#false} havoc #t~ret14; {107#false} is VALID [2020-07-18 00:25:01,409 INFO L280 TraceCheckUtils]: 37: Hoare triple {107#false} assume !false; {107#false} is VALID [2020-07-18 00:25:01,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:25:01,423 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:25:01,425 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [520152946] [2020-07-18 00:25:01,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:25:01,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 00:25:01,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748791018] [2020-07-18 00:25:01,435 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-07-18 00:25:01,441 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:25:01,445 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-18 00:25:01,524 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:25:01,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 00:25:01,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:25:01,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 00:25:01,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 00:25:01,537 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 4 states. [2020-07-18 00:25:03,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:25:03,003 INFO L93 Difference]: Finished difference Result 230 states and 285 transitions. [2020-07-18 00:25:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-18 00:25:03,003 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-07-18 00:25:03,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:25:03,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 00:25:03,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 285 transitions. [2020-07-18 00:25:03,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 00:25:03,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 285 transitions. [2020-07-18 00:25:03,063 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 285 transitions. [2020-07-18 00:25:03,520 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 285 edges. 285 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:25:03,542 INFO L225 Difference]: With dead ends: 230 [2020-07-18 00:25:03,542 INFO L226 Difference]: Without dead ends: 128 [2020-07-18 00:25:03,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-18 00:25:03,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-07-18 00:25:03,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 84. [2020-07-18 00:25:03,699 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:25:03,700 INFO L82 GeneralOperation]: Start isEquivalent. First operand 128 states. Second operand 84 states. [2020-07-18 00:25:03,700 INFO L74 IsIncluded]: Start isIncluded. First operand 128 states. Second operand 84 states. [2020-07-18 00:25:03,700 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 84 states. [2020-07-18 00:25:03,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:25:03,712 INFO L93 Difference]: Finished difference Result 128 states and 140 transitions. [2020-07-18 00:25:03,713 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 140 transitions. [2020-07-18 00:25:03,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:25:03,715 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:25:03,715 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand 128 states. [2020-07-18 00:25:03,715 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 128 states. [2020-07-18 00:25:03,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:25:03,726 INFO L93 Difference]: Finished difference Result 128 states and 140 transitions. [2020-07-18 00:25:03,726 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 140 transitions. [2020-07-18 00:25:03,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:25:03,729 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:25:03,729 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:25:03,729 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:25:03,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-07-18 00:25:03,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 88 transitions. [2020-07-18 00:25:03,736 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 88 transitions. Word has length 38 [2020-07-18 00:25:03,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:25:03,736 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 88 transitions. [2020-07-18 00:25:03,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 00:25:03,737 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 84 states and 88 transitions. [2020-07-18 00:25:03,852 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 88 edges. 88 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:25:03,853 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2020-07-18 00:25:03,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-18 00:25:03,856 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:25:03,856 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:25:03,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:25:03,857 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:25:03,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:25:03,857 INFO L82 PathProgramCache]: Analyzing trace with hash -613399993, now seen corresponding path program 1 times [2020-07-18 00:25:03,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:25:03,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [513156926] [2020-07-18 00:25:03,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:25:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:25:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:25:04,017 INFO L280 TraceCheckUtils]: 0: Hoare triple {1043#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1019#true} is VALID [2020-07-18 00:25:04,017 INFO L280 TraceCheckUtils]: 1: Hoare triple {1019#true} #valid := #valid[0 := 0]; {1019#true} is VALID [2020-07-18 00:25:04,018 INFO L280 TraceCheckUtils]: 2: Hoare triple {1019#true} assume 0 < #StackHeapBarrier; {1019#true} is VALID [2020-07-18 00:25:04,018 INFO L280 TraceCheckUtils]: 3: Hoare triple {1019#true} assume true; {1019#true} is VALID [2020-07-18 00:25:04,018 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1019#true} {1019#true} #194#return; {1019#true} is VALID [2020-07-18 00:25:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:25:04,048 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {1019#true} is VALID [2020-07-18 00:25:04,049 INFO L280 TraceCheckUtils]: 1: Hoare triple {1019#true} ~data := #in~data; {1019#true} is VALID [2020-07-18 00:25:04,049 INFO L280 TraceCheckUtils]: 2: Hoare triple {1019#true} ~head~0.base, ~head~0.offset := 0, 0; {1019#true} is VALID [2020-07-18 00:25:04,049 INFO L280 TraceCheckUtils]: 3: Hoare triple {1019#true} assume !(~len > 0); {1019#true} is VALID [2020-07-18 00:25:04,050 INFO L280 TraceCheckUtils]: 4: Hoare triple {1019#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {1019#true} is VALID [2020-07-18 00:25:04,050 INFO L280 TraceCheckUtils]: 5: Hoare triple {1019#true} assume true; {1019#true} is VALID [2020-07-18 00:25:04,052 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {1019#true} {1026#(<= 2 main_~len~0)} #186#return; {1026#(<= 2 main_~len~0)} is VALID [2020-07-18 00:25:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:25:04,059 INFO L280 TraceCheckUtils]: 0: Hoare triple {1019#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {1019#true} is VALID [2020-07-18 00:25:04,060 INFO L280 TraceCheckUtils]: 1: Hoare triple {1019#true} ~index := #in~index; {1019#true} is VALID [2020-07-18 00:25:04,060 INFO L280 TraceCheckUtils]: 2: Hoare triple {1019#true} assume !(~index > 0); {1019#true} is VALID [2020-07-18 00:25:04,061 INFO L280 TraceCheckUtils]: 3: Hoare triple {1019#true} SUMMARY for call #t~mem8 := read~int(~head.base, ~head.offset, 4); srcloc: L589-3 {1019#true} is VALID [2020-07-18 00:25:04,061 INFO L280 TraceCheckUtils]: 4: Hoare triple {1019#true} #res := #t~mem8; {1019#true} is VALID [2020-07-18 00:25:04,061 INFO L280 TraceCheckUtils]: 5: Hoare triple {1019#true} havoc #t~mem8; {1019#true} is VALID [2020-07-18 00:25:04,061 INFO L280 TraceCheckUtils]: 6: Hoare triple {1019#true} assume true; {1019#true} is VALID [2020-07-18 00:25:04,062 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {1019#true} {1020#false} #190#return; {1020#false} is VALID [2020-07-18 00:25:04,063 INFO L263 TraceCheckUtils]: 0: Hoare triple {1019#true} call ULTIMATE.init(); {1043#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 00:25:04,063 INFO L280 TraceCheckUtils]: 1: Hoare triple {1043#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1019#true} is VALID [2020-07-18 00:25:04,064 INFO L280 TraceCheckUtils]: 2: Hoare triple {1019#true} #valid := #valid[0 := 0]; {1019#true} is VALID [2020-07-18 00:25:04,064 INFO L280 TraceCheckUtils]: 3: Hoare triple {1019#true} assume 0 < #StackHeapBarrier; {1019#true} is VALID [2020-07-18 00:25:04,064 INFO L280 TraceCheckUtils]: 4: Hoare triple {1019#true} assume true; {1019#true} is VALID [2020-07-18 00:25:04,064 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1019#true} {1019#true} #194#return; {1019#true} is VALID [2020-07-18 00:25:04,065 INFO L263 TraceCheckUtils]: 6: Hoare triple {1019#true} call #t~ret15 := main(); {1019#true} is VALID [2020-07-18 00:25:04,066 INFO L280 TraceCheckUtils]: 7: Hoare triple {1019#true} ~len~0 := 2; {1026#(<= 2 main_~len~0)} is VALID [2020-07-18 00:25:04,066 INFO L280 TraceCheckUtils]: 8: Hoare triple {1026#(<= 2 main_~len~0)} ~data~0 := 1; {1026#(<= 2 main_~len~0)} is VALID [2020-07-18 00:25:04,068 INFO L263 TraceCheckUtils]: 9: Hoare triple {1026#(<= 2 main_~len~0)} call #t~ret11.base, #t~ret11.offset := sll_create(~len~0, ~data~0); {1044#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-18 00:25:04,068 INFO L280 TraceCheckUtils]: 10: Hoare triple {1044#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {1019#true} is VALID [2020-07-18 00:25:04,069 INFO L280 TraceCheckUtils]: 11: Hoare triple {1019#true} ~data := #in~data; {1019#true} is VALID [2020-07-18 00:25:04,069 INFO L280 TraceCheckUtils]: 12: Hoare triple {1019#true} ~head~0.base, ~head~0.offset := 0, 0; {1019#true} is VALID [2020-07-18 00:25:04,069 INFO L280 TraceCheckUtils]: 13: Hoare triple {1019#true} assume !(~len > 0); {1019#true} is VALID [2020-07-18 00:25:04,069 INFO L280 TraceCheckUtils]: 14: Hoare triple {1019#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {1019#true} is VALID [2020-07-18 00:25:04,070 INFO L280 TraceCheckUtils]: 15: Hoare triple {1019#true} assume true; {1019#true} is VALID [2020-07-18 00:25:04,071 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1019#true} {1026#(<= 2 main_~len~0)} #186#return; {1026#(<= 2 main_~len~0)} is VALID [2020-07-18 00:25:04,072 INFO L280 TraceCheckUtils]: 17: Hoare triple {1026#(<= 2 main_~len~0)} ~s~0.base, ~s~0.offset := #t~ret11.base, #t~ret11.offset; {1026#(<= 2 main_~len~0)} is VALID [2020-07-18 00:25:04,073 INFO L280 TraceCheckUtils]: 18: Hoare triple {1026#(<= 2 main_~len~0)} havoc #t~ret11.base, #t~ret11.offset; {1026#(<= 2 main_~len~0)} is VALID [2020-07-18 00:25:04,074 INFO L280 TraceCheckUtils]: 19: Hoare triple {1026#(<= 2 main_~len~0)} havoc ~i~0; {1026#(<= 2 main_~len~0)} is VALID [2020-07-18 00:25:04,074 INFO L280 TraceCheckUtils]: 20: Hoare triple {1026#(<= 2 main_~len~0)} ~i~0 := ~len~0 - 1; {1034#(<= 1 main_~i~0)} is VALID [2020-07-18 00:25:04,075 INFO L280 TraceCheckUtils]: 21: Hoare triple {1034#(<= 1 main_~i~0)} assume !(~i~0 >= 0); {1020#false} is VALID [2020-07-18 00:25:04,075 INFO L280 TraceCheckUtils]: 22: Hoare triple {1020#false} ~i~0 := ~len~0 - 1; {1020#false} is VALID [2020-07-18 00:25:04,076 INFO L280 TraceCheckUtils]: 23: Hoare triple {1020#false} assume !!(~i~0 >= 0); {1020#false} is VALID [2020-07-18 00:25:04,076 INFO L280 TraceCheckUtils]: 24: Hoare triple {1020#false} ~expected~0 := ~i~0 + ~len~0; {1020#false} is VALID [2020-07-18 00:25:04,076 INFO L263 TraceCheckUtils]: 25: Hoare triple {1020#false} call #t~ret14 := sll_get_data_at(~s~0.base, ~s~0.offset, ~i~0); {1019#true} is VALID [2020-07-18 00:25:04,076 INFO L280 TraceCheckUtils]: 26: Hoare triple {1019#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {1019#true} is VALID [2020-07-18 00:25:04,077 INFO L280 TraceCheckUtils]: 27: Hoare triple {1019#true} ~index := #in~index; {1019#true} is VALID [2020-07-18 00:25:04,077 INFO L280 TraceCheckUtils]: 28: Hoare triple {1019#true} assume !(~index > 0); {1019#true} is VALID [2020-07-18 00:25:04,077 INFO L280 TraceCheckUtils]: 29: Hoare triple {1019#true} SUMMARY for call #t~mem8 := read~int(~head.base, ~head.offset, 4); srcloc: L589-3 {1019#true} is VALID [2020-07-18 00:25:04,078 INFO L280 TraceCheckUtils]: 30: Hoare triple {1019#true} #res := #t~mem8; {1019#true} is VALID [2020-07-18 00:25:04,078 INFO L280 TraceCheckUtils]: 31: Hoare triple {1019#true} havoc #t~mem8; {1019#true} is VALID [2020-07-18 00:25:04,078 INFO L280 TraceCheckUtils]: 32: Hoare triple {1019#true} assume true; {1019#true} is VALID [2020-07-18 00:25:04,078 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {1019#true} {1020#false} #190#return; {1020#false} is VALID [2020-07-18 00:25:04,079 INFO L280 TraceCheckUtils]: 34: Hoare triple {1020#false} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {1020#false} is VALID [2020-07-18 00:25:04,079 INFO L280 TraceCheckUtils]: 35: Hoare triple {1020#false} assume ~expected~0 != #t~ret14; {1020#false} is VALID [2020-07-18 00:25:04,079 INFO L280 TraceCheckUtils]: 36: Hoare triple {1020#false} havoc #t~ret14; {1020#false} is VALID [2020-07-18 00:25:04,079 INFO L280 TraceCheckUtils]: 37: Hoare triple {1020#false} assume !false; {1020#false} is VALID [2020-07-18 00:25:04,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:25:04,144 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:25:04,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [513156926] [2020-07-18 00:25:04,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:25:04,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-18 00:25:04,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783563830] [2020-07-18 00:25:04,147 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 38 [2020-07-18 00:25:04,147 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:25:04,147 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-18 00:25:04,167 WARN L140 InductivityCheck]: Transition 1019#true ( _ , assume !false; , 1020#false ) not inductive [2020-07-18 00:25:04,168 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 00:25:04,168 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inductivity failed at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.checkInductivity(InductivityCheck.java:103) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.(InductivityCheck.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.constructInterpolantAutomaton(BasicCegarLoop.java:583) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:455) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-18 00:25:04,175 INFO L168 Benchmark]: Toolchain (without parser) took 4882.84 ms. Allocated memory was 144.2 MB in the beginning and 251.7 MB in the end (delta: 107.5 MB). Free memory was 101.1 MB in the beginning and 105.2 MB in the end (delta: -4.1 MB). Peak memory consumption was 103.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:25:04,176 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 144.2 MB. Free memory was 120.8 MB in the beginning and 120.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-18 00:25:04,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.96 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 100.7 MB in the beginning and 166.3 MB in the end (delta: -65.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-07-18 00:25:04,178 INFO L168 Benchmark]: Boogie Preprocessor took 87.63 ms. Allocated memory is still 202.4 MB. Free memory was 166.3 MB in the beginning and 162.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:25:04,178 INFO L168 Benchmark]: RCFGBuilder took 901.72 ms. Allocated memory is still 202.4 MB. Free memory was 162.9 MB in the beginning and 93.8 MB in the end (delta: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 7.1 GB. [2020-07-18 00:25:04,179 INFO L168 Benchmark]: TraceAbstraction took 3227.07 ms. Allocated memory was 202.4 MB in the beginning and 251.7 MB in the end (delta: 49.3 MB). Free memory was 93.8 MB in the beginning and 105.2 MB in the end (delta: -11.4 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. [2020-07-18 00:25:04,184 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 144.2 MB. Free memory was 120.8 MB in the beginning and 120.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.96 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 100.7 MB in the beginning and 166.3 MB in the end (delta: -65.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.63 ms. Allocated memory is still 202.4 MB. Free memory was 166.3 MB in the beginning and 162.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 901.72 ms. Allocated memory is still 202.4 MB. Free memory was 162.9 MB in the beginning and 93.8 MB in the end (delta: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3227.07 ms. Allocated memory was 202.4 MB in the beginning and 251.7 MB in the end (delta: 49.3 MB). Free memory was 93.8 MB in the beginning and 105.2 MB in the end (delta: -11.4 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inductivity failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inductivity failed: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:142) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...