/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/dll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:24:51,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:24:51,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:24:51,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:24:51,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:24:51,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:24:51,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:24:51,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:24:51,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:24:51,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:24:51,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:24:51,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:24:51,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:24:51,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:24:51,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:24:51,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:24:51,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:24:51,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:24:51,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:24:51,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:24:51,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:24:51,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:24:51,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:24:51,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:24:51,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 00:24:51,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 00:24:51,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 00:24:51,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 00:24:51,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 00:24:51,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 00:24:51,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 00:24:51,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 00:24:51,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 00:24:51,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 00:24:51,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 00:24:51,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 00:24:51,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 00:24:51,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 00:24:51,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:24:51,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:24:51,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:24:51,848 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 00:24:51,858 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:24:51,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:24:51,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:24:51,860 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:24:51,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:24:51,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:24:51,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:24:51,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:24:51,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:24:51,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:24:51,861 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:24:51,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:24:51,861 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:24:51,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:24:51,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:24:51,862 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:24:51,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:24:51,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:24:51,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:24:51,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:24:51,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:24:51,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:24:51,863 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:24:52,155 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:24:52,168 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:24:52,172 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:24:52,174 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:24:52,174 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:24:52,175 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2020-07-18 00:24:52,251 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3578621e/37d40fb2e20a448f99b7fb42b19ebe49/FLAGa40d31772 [2020-07-18 00:24:52,805 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:24:52,806 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2020-07-18 00:24:52,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3578621e/37d40fb2e20a448f99b7fb42b19ebe49/FLAGa40d31772 [2020-07-18 00:24:53,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3578621e/37d40fb2e20a448f99b7fb42b19ebe49 [2020-07-18 00:24:53,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:24:53,123 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:24:53,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:24:53,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:24:53,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:24:53,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:24:53" (1/1) ... [2020-07-18 00:24:53,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d3332c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:53, skipping insertion in model container [2020-07-18 00:24:53,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:24:53" (1/1) ... [2020-07-18 00:24:53,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:24:53,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:24:53,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:24:53,865 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:24:53,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:24:54,034 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:24:54,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:54 WrapperNode [2020-07-18 00:24:54,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:24:54,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:24:54,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:24:54,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:24:54,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:54" (1/1) ... [2020-07-18 00:24:54,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:54" (1/1) ... [2020-07-18 00:24:54,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:54" (1/1) ... [2020-07-18 00:24:54,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:54" (1/1) ... [2020-07-18 00:24:54,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:54" (1/1) ... [2020-07-18 00:24:54,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:54" (1/1) ... [2020-07-18 00:24:54,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:54" (1/1) ... [2020-07-18 00:24:54,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:24:54,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:24:54,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:24:54,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:24:54,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:54" (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 00:24:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:24:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:24:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-18 00:24:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-18 00:24:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-07-18 00:24:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-07-18 00:24:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2020-07-18 00:24:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2020-07-18 00:24:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2020-07-18 00:24:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2020-07-18 00:24:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:24:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:24:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-18 00:24:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-18 00:24:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-18 00:24:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-18 00:24:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-18 00:24:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-18 00:24:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-18 00:24:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-18 00:24:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-18 00:24:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-18 00:24:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-18 00:24:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-18 00:24:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-18 00:24:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-18 00:24:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-18 00:24:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-18 00:24:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-18 00:24:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-18 00:24:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-18 00:24:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-18 00:24:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-18 00:24:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-18 00:24:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-18 00:24:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-18 00:24:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-18 00:24:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-18 00:24:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-18 00:24:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-18 00:24:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-18 00:24:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-18 00:24:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-18 00:24:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-18 00:24:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-18 00:24:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-18 00:24:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-18 00:24:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-18 00:24:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-18 00:24:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-18 00:24:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-18 00:24:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-18 00:24:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-18 00:24:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-18 00:24:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-18 00:24:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-18 00:24:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-18 00:24:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-18 00:24:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-18 00:24:54,259 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-18 00:24:54,259 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-18 00:24:54,259 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-18 00:24:54,259 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-18 00:24:54,259 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-18 00:24:54,260 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-18 00:24:54,260 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-18 00:24:54,260 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-18 00:24:54,260 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-18 00:24:54,260 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-18 00:24:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-18 00:24:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-18 00:24:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-18 00:24:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-18 00:24:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-18 00:24:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-18 00:24:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-18 00:24:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-18 00:24:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-18 00:24:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-18 00:24:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-18 00:24:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-18 00:24:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-18 00:24:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-18 00:24:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-18 00:24:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-18 00:24:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-18 00:24:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-18 00:24:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-18 00:24:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-18 00:24:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-18 00:24:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-18 00:24:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-18 00:24:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-18 00:24:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-18 00:24:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-18 00:24:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-18 00:24:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-18 00:24:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-18 00:24:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-18 00:24:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-18 00:24:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-18 00:24:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-18 00:24:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-18 00:24:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-18 00:24:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-18 00:24:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-18 00:24:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-18 00:24:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-18 00:24:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-18 00:24:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-18 00:24:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-18 00:24:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-18 00:24:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-18 00:24:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-18 00:24:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-18 00:24:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-18 00:24:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-18 00:24:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-07-18 00:24:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-07-18 00:24:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-18 00:24:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-18 00:24:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:24:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2020-07-18 00:24:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2020-07-18 00:24:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-18 00:24:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:24:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2020-07-18 00:24:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:24:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2020-07-18 00:24:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:24:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:24:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:24:54,728 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-07-18 00:24:55,061 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:24:55,061 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-18 00:24:55,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:24:55 BoogieIcfgContainer [2020-07-18 00:24:55,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:24:55,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:24:55,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:24:55,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:24:55,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:24:53" (1/3) ... [2020-07-18 00:24:55,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654933e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:24:55, skipping insertion in model container [2020-07-18 00:24:55,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:54" (2/3) ... [2020-07-18 00:24:55,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654933e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:24:55, skipping insertion in model container [2020-07-18 00:24:55,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:24:55" (3/3) ... [2020-07-18 00:24:55,091 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2n_update_all_reverse.i [2020-07-18 00:24:55,107 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:24:55,116 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:24:55,130 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:24:55,157 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:24:55,167 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:24:55,167 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:24:55,168 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:24:55,168 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:24:55,168 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:24:55,168 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:24:55,168 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:24:55,193 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2020-07-18 00:24:55,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-18 00:24:55,205 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:24:55,206 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 00:24:55,206 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:24:55,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:24:55,211 INFO L82 PathProgramCache]: Analyzing trace with hash 935667377, now seen corresponding path program 1 times [2020-07-18 00:24:55,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:24:55,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1615401621] [2020-07-18 00:24:55,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:24:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:24:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:24:55,440 INFO L280 TraceCheckUtils]: 0: Hoare triple {123#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {101#true} is VALID [2020-07-18 00:24:55,441 INFO L280 TraceCheckUtils]: 1: Hoare triple {101#true} #valid := #valid[0 := 0]; {101#true} is VALID [2020-07-18 00:24:55,441 INFO L280 TraceCheckUtils]: 2: Hoare triple {101#true} assume 0 < #StackHeapBarrier; {101#true} is VALID [2020-07-18 00:24:55,442 INFO L280 TraceCheckUtils]: 3: Hoare triple {101#true} assume true; {101#true} is VALID [2020-07-18 00:24:55,442 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {101#true} {101#true} #210#return; {101#true} is VALID [2020-07-18 00:24:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:24:55,475 INFO L280 TraceCheckUtils]: 0: Hoare triple {124#(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; {101#true} is VALID [2020-07-18 00:24:55,476 INFO L280 TraceCheckUtils]: 1: Hoare triple {101#true} ~data := #in~data; {101#true} is VALID [2020-07-18 00:24:55,476 INFO L280 TraceCheckUtils]: 2: Hoare triple {101#true} ~head~0.base, ~head~0.offset := 0, 0; {101#true} is VALID [2020-07-18 00:24:55,477 INFO L280 TraceCheckUtils]: 3: Hoare triple {101#true} assume !(~len > 0); {101#true} is VALID [2020-07-18 00:24:55,477 INFO L280 TraceCheckUtils]: 4: Hoare triple {101#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {101#true} is VALID [2020-07-18 00:24:55,477 INFO L280 TraceCheckUtils]: 5: Hoare triple {101#true} assume true; {101#true} is VALID [2020-07-18 00:24:55,478 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {101#true} {101#true} #200#return; {101#true} is VALID [2020-07-18 00:24:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:24:55,488 INFO L280 TraceCheckUtils]: 0: Hoare triple {101#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {101#true} is VALID [2020-07-18 00:24:55,489 INFO L280 TraceCheckUtils]: 1: Hoare triple {101#true} ~index := #in~index; {101#true} is VALID [2020-07-18 00:24:55,489 INFO L280 TraceCheckUtils]: 2: Hoare triple {101#true} assume !(~index > 0); {101#true} is VALID [2020-07-18 00:24:55,489 INFO L280 TraceCheckUtils]: 3: Hoare triple {101#true} SUMMARY for call #t~mem8 := read~int(~head.base, ~head.offset, 4); srcloc: L600-3 {101#true} is VALID [2020-07-18 00:24:55,490 INFO L280 TraceCheckUtils]: 4: Hoare triple {101#true} #res := #t~mem8; {101#true} is VALID [2020-07-18 00:24:55,490 INFO L280 TraceCheckUtils]: 5: Hoare triple {101#true} havoc #t~mem8; {101#true} is VALID [2020-07-18 00:24:55,490 INFO L280 TraceCheckUtils]: 6: Hoare triple {101#true} assume true; {101#true} is VALID [2020-07-18 00:24:55,491 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {101#true} {102#false} #204#return; {102#false} is VALID [2020-07-18 00:24:55,493 INFO L263 TraceCheckUtils]: 0: Hoare triple {101#true} call ULTIMATE.init(); {123#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 00:24:55,493 INFO L280 TraceCheckUtils]: 1: Hoare triple {123#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {101#true} is VALID [2020-07-18 00:24:55,494 INFO L280 TraceCheckUtils]: 2: Hoare triple {101#true} #valid := #valid[0 := 0]; {101#true} is VALID [2020-07-18 00:24:55,494 INFO L280 TraceCheckUtils]: 3: Hoare triple {101#true} assume 0 < #StackHeapBarrier; {101#true} is VALID [2020-07-18 00:24:55,494 INFO L280 TraceCheckUtils]: 4: Hoare triple {101#true} assume true; {101#true} is VALID [2020-07-18 00:24:55,495 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {101#true} {101#true} #210#return; {101#true} is VALID [2020-07-18 00:24:55,495 INFO L263 TraceCheckUtils]: 6: Hoare triple {101#true} call #t~ret15 := main(); {101#true} is VALID [2020-07-18 00:24:55,495 INFO L280 TraceCheckUtils]: 7: Hoare triple {101#true} ~len~0 := 2; {101#true} is VALID [2020-07-18 00:24:55,496 INFO L280 TraceCheckUtils]: 8: Hoare triple {101#true} ~data~0 := 1; {101#true} is VALID [2020-07-18 00:24:55,498 INFO L263 TraceCheckUtils]: 9: Hoare triple {101#true} call #t~ret11.base, #t~ret11.offset := dll_create(~len~0, ~data~0); {124#(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$.offset)|))} is VALID [2020-07-18 00:24:55,498 INFO L280 TraceCheckUtils]: 10: Hoare triple {124#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {101#true} is VALID [2020-07-18 00:24:55,499 INFO L280 TraceCheckUtils]: 11: Hoare triple {101#true} ~data := #in~data; {101#true} is VALID [2020-07-18 00:24:55,499 INFO L280 TraceCheckUtils]: 12: Hoare triple {101#true} ~head~0.base, ~head~0.offset := 0, 0; {101#true} is VALID [2020-07-18 00:24:55,499 INFO L280 TraceCheckUtils]: 13: Hoare triple {101#true} assume !(~len > 0); {101#true} is VALID [2020-07-18 00:24:55,500 INFO L280 TraceCheckUtils]: 14: Hoare triple {101#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {101#true} is VALID [2020-07-18 00:24:55,500 INFO L280 TraceCheckUtils]: 15: Hoare triple {101#true} assume true; {101#true} is VALID [2020-07-18 00:24:55,500 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {101#true} {101#true} #200#return; {101#true} is VALID [2020-07-18 00:24:55,501 INFO L280 TraceCheckUtils]: 17: Hoare triple {101#true} ~s~0.base, ~s~0.offset := #t~ret11.base, #t~ret11.offset; {101#true} is VALID [2020-07-18 00:24:55,501 INFO L280 TraceCheckUtils]: 18: Hoare triple {101#true} havoc #t~ret11.base, #t~ret11.offset; {101#true} is VALID [2020-07-18 00:24:55,501 INFO L280 TraceCheckUtils]: 19: Hoare triple {101#true} havoc ~i~0; {101#true} is VALID [2020-07-18 00:24:55,502 INFO L280 TraceCheckUtils]: 20: Hoare triple {101#true} ~i~0 := ~len~0 - 1; {101#true} is VALID [2020-07-18 00:24:55,503 INFO L280 TraceCheckUtils]: 21: Hoare triple {101#true} assume !true; {102#false} is VALID [2020-07-18 00:24:55,503 INFO L280 TraceCheckUtils]: 22: Hoare triple {102#false} ~i~0 := ~len~0 - 1; {102#false} is VALID [2020-07-18 00:24:55,504 INFO L280 TraceCheckUtils]: 23: Hoare triple {102#false} assume !!(~i~0 <= 0); {102#false} is VALID [2020-07-18 00:24:55,504 INFO L280 TraceCheckUtils]: 24: Hoare triple {102#false} ~expected~0 := ~i~0 + ~len~0; {102#false} is VALID [2020-07-18 00:24:55,504 INFO L263 TraceCheckUtils]: 25: Hoare triple {102#false} call #t~ret14 := dll_get_data_at(~s~0.base, ~s~0.offset, ~i~0); {101#true} is VALID [2020-07-18 00:24:55,505 INFO L280 TraceCheckUtils]: 26: Hoare triple {101#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {101#true} is VALID [2020-07-18 00:24:55,505 INFO L280 TraceCheckUtils]: 27: Hoare triple {101#true} ~index := #in~index; {101#true} is VALID [2020-07-18 00:24:55,505 INFO L280 TraceCheckUtils]: 28: Hoare triple {101#true} assume !(~index > 0); {101#true} is VALID [2020-07-18 00:24:55,506 INFO L280 TraceCheckUtils]: 29: Hoare triple {101#true} SUMMARY for call #t~mem8 := read~int(~head.base, ~head.offset, 4); srcloc: L600-3 {101#true} is VALID [2020-07-18 00:24:55,506 INFO L280 TraceCheckUtils]: 30: Hoare triple {101#true} #res := #t~mem8; {101#true} is VALID [2020-07-18 00:24:55,506 INFO L280 TraceCheckUtils]: 31: Hoare triple {101#true} havoc #t~mem8; {101#true} is VALID [2020-07-18 00:24:55,507 INFO L280 TraceCheckUtils]: 32: Hoare triple {101#true} assume true; {101#true} is VALID [2020-07-18 00:24:55,507 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {101#true} {102#false} #204#return; {102#false} is VALID [2020-07-18 00:24:55,507 INFO L280 TraceCheckUtils]: 34: Hoare triple {102#false} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {102#false} is VALID [2020-07-18 00:24:55,508 INFO L280 TraceCheckUtils]: 35: Hoare triple {102#false} assume ~expected~0 != #t~ret14; {102#false} is VALID [2020-07-18 00:24:55,508 INFO L280 TraceCheckUtils]: 36: Hoare triple {102#false} havoc #t~ret14; {102#false} is VALID [2020-07-18 00:24:55,508 INFO L280 TraceCheckUtils]: 37: Hoare triple {102#false} assume !false; {102#false} is VALID [2020-07-18 00:24:55,515 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 00:24:55,578 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:24:55,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1615401621] [2020-07-18 00:24:55,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:24:55,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 00:24:55,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997853638] [2020-07-18 00:24:55,590 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-07-18 00:24:55,593 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:24:55,597 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 00:24:55,633 WARN L140 InductivityCheck]: Transition 101#true ( _ , assume !false; , 102#false ) not inductive [2020-07-18 00:24:55,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:24:55,634 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 00:24:55,639 INFO L168 Benchmark]: Toolchain (without parser) took 2517.55 ms. Allocated memory was 136.8 MB in the beginning and 234.4 MB in the end (delta: 97.5 MB). Free memory was 100.1 MB in the beginning and 166.2 MB in the end (delta: -66.1 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:24:55,640 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 00:24:55,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 910.76 ms. Allocated memory was 136.8 MB in the beginning and 205.0 MB in the end (delta: 68.2 MB). Free memory was 99.8 MB in the beginning and 166.1 MB in the end (delta: -66.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-07-18 00:24:55,642 INFO L168 Benchmark]: Boogie Preprocessor took 127.75 ms. Allocated memory is still 205.0 MB. Free memory was 166.1 MB in the beginning and 162.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2020-07-18 00:24:55,643 INFO L168 Benchmark]: RCFGBuilder took 902.23 ms. Allocated memory is still 205.0 MB. Free memory was 162.6 MB in the beginning and 89.8 MB in the end (delta: 72.8 MB). Peak memory consumption was 72.8 MB. Max. memory is 7.1 GB. [2020-07-18 00:24:55,644 INFO L168 Benchmark]: TraceAbstraction took 569.24 ms. Allocated memory was 205.0 MB in the beginning and 234.4 MB in the end (delta: 29.4 MB). Free memory was 89.3 MB in the beginning and 166.2 MB in the end (delta: -76.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-18 00:24:55,648 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 0.18 ms. Allocated memory is still 136.8 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 910.76 ms. Allocated memory was 136.8 MB in the beginning and 205.0 MB in the end (delta: 68.2 MB). Free memory was 99.8 MB in the beginning and 166.1 MB in the end (delta: -66.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.75 ms. Allocated memory is still 205.0 MB. Free memory was 166.1 MB in the beginning and 162.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 902.23 ms. Allocated memory is still 205.0 MB. Free memory was 162.6 MB in the beginning and 89.8 MB in the end (delta: 72.8 MB). Peak memory consumption was 72.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 569.24 ms. Allocated memory was 205.0 MB in the beginning and 234.4 MB in the end (delta: 29.4 MB). Free memory was 89.3 MB in the beginning and 166.2 MB in the end (delta: -76.9 MB). There was no memory consumed. 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...