/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:04:42,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:04:42,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:04:42,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:04:42,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:04:42,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:04:42,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:04:42,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:04:42,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:04:42,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:04:42,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:04:42,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:04:42,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:04:42,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:04:42,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:04:42,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:04:42,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:04:42,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:04:42,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:04:42,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:04:42,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:04:42,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:04:42,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:04:42,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:04:42,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:04:42,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:04:42,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:04:42,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:04:42,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:04:42,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:04:42,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:04:42,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:04:42,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:04:42,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:04:42,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:04:42,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:04:42,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:04:42,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:04:42,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:04:42,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:04:42,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:04:42,866 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 20:04:42,918 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:04:42,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:04:42,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:04:42,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:04:42,924 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:04:42,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:04:42,925 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:04:42,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:04:42,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:04:42,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:04:42,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:04:42,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:04:42,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:04:42,927 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:04:42,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:04:42,928 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:04:42,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:04:42,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:04:42,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:04:42,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:04:42,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:04:42,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:04:42,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:04:42,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:04:42,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:04:42,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:04:42,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:04:42,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:04:42,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:04:42,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:04:43,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:04:43,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:04:43,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:04:43,358 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:04:43,359 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:04:43,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2020-10-27 20:04:43,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8207397d0/77a53305a44d4a488841bb1fcefaae69/FLAGf4e665463 [2020-10-27 20:04:44,086 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:04:44,086 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2020-10-27 20:04:44,111 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8207397d0/77a53305a44d4a488841bb1fcefaae69/FLAGf4e665463 [2020-10-27 20:04:44,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8207397d0/77a53305a44d4a488841bb1fcefaae69 [2020-10-27 20:04:44,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:04:44,398 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:04:44,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:04:44,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:04:44,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:04:44,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:04:44" (1/1) ... [2020-10-27 20:04:44,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@226cfcec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:04:44, skipping insertion in model container [2020-10-27 20:04:44,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:04:44" (1/1) ... [2020-10-27 20:04:44,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:04:44,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:04:44,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:04:44,999 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:04:45,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:04:45,144 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:04:45,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:04:45 WrapperNode [2020-10-27 20:04:45,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:04:45,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:04:45,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:04:45,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:04:45,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:04:45" (1/1) ... [2020-10-27 20:04:45,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:04:45" (1/1) ... [2020-10-27 20:04:45,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:04:45" (1/1) ... [2020-10-27 20:04:45,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:04:45" (1/1) ... [2020-10-27 20:04:45,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:04:45" (1/1) ... [2020-10-27 20:04:45,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:04:45" (1/1) ... [2020-10-27 20:04:45,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:04:45" (1/1) ... [2020-10-27 20:04:45,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:04:45,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:04:45,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:04:45,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:04:45,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:04:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-27 20:04:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:04:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:04:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:04:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-27 20:04:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-27 20:04:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-27 20:04:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-27 20:04:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2020-10-27 20:04:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2020-10-27 20:04:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2020-10-27 20:04:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2020-10-27 20:04:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:04:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:04:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:04:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 20:04:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 20:04:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:04:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:04:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-27 20:04:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-27 20:04:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-27 20:04:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-27 20:04:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-27 20:04:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-27 20:04:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-27 20:04:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-27 20:04:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-27 20:04:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-27 20:04:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-27 20:04:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-27 20:04:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-27 20:04:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-27 20:04:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-27 20:04:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-27 20:04:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-27 20:04:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-27 20:04:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-27 20:04:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-27 20:04:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-27 20:04:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-27 20:04:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-27 20:04:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-27 20:04:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-27 20:04:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-27 20:04:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-27 20:04:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-27 20:04:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-27 20:04:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-27 20:04:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-27 20:04:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-27 20:04:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-27 20:04:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-27 20:04:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-27 20:04:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-27 20:04:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-27 20:04:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-27 20:04:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-27 20:04:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-27 20:04:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-27 20:04:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-27 20:04:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-27 20:04:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-27 20:04:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-27 20:04:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-27 20:04:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-27 20:04:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-27 20:04:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-27 20:04:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-27 20:04:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-27 20:04:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-27 20:04:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 20:04:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 20:04:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-27 20:04:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 20:04:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-27 20:04:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-27 20:04:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-27 20:04:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-27 20:04:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-27 20:04:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-27 20:04:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-27 20:04:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-27 20:04:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 20:04:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-27 20:04:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-27 20:04:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-27 20:04:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-27 20:04:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-27 20:04:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-27 20:04:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-27 20:04:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-27 20:04:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-27 20:04:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-27 20:04:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-27 20:04:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-27 20:04:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-27 20:04:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-27 20:04:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-27 20:04:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-27 20:04:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-27 20:04:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-27 20:04:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-27 20:04:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-27 20:04:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-27 20:04:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-27 20:04:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-27 20:04:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-27 20:04:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-27 20:04:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-27 20:04:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-27 20:04:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-27 20:04:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-27 20:04:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-27 20:04:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-27 20:04:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-27 20:04:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-27 20:04:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-27 20:04:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-27 20:04:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-27 20:04:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-27 20:04:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-27 20:04:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-27 20:04:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-27 20:04:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-27 20:04:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 20:04:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 20:04:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:04:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2020-10-27 20:04:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2020-10-27 20:04:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 20:04:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:04:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2020-10-27 20:04:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:04:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2020-10-27 20:04:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:04:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:04:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:04:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:04:45,906 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-27 20:04:46,099 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:04:46,099 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-27 20:04:46,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:04:46 BoogieIcfgContainer [2020-10-27 20:04:46,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:04:46,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:04:46,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:04:46,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:04:46,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:04:44" (1/3) ... [2020-10-27 20:04:46,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317be663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:04:46, skipping insertion in model container [2020-10-27 20:04:46,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:04:45" (2/3) ... [2020-10-27 20:04:46,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317be663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:04:46, skipping insertion in model container [2020-10-27 20:04:46,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:04:46" (3/3) ... [2020-10-27 20:04:46,111 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2n_update_all_reverse.i [2020-10-27 20:04:46,123 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:04:46,129 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 20:04:46,143 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 20:04:46,170 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:04:46,170 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:04:46,170 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:04:46,170 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:04:46,170 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:04:46,171 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:04:46,171 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:04:46,171 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:04:46,189 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2020-10-27 20:04:46,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-27 20:04:46,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:04:46,197 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] [2020-10-27 20:04:46,197 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:04:46,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:04:46,204 INFO L82 PathProgramCache]: Analyzing trace with hash 448687099, now seen corresponding path program 1 times [2020-10-27 20:04:46,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:04:46,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670836677] [2020-10-27 20:04:46,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:04:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:04:46,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:04:46,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:04:46,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:04:46,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:04:48,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:04:48,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 20:04:48,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:04:48,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1766 [2020-10-27 20:04:48,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:04:48,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:04:48,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:04:48,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:04:48,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 20:04:48,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:04:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:04:48,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:04:48,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:04:48,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:04:48,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:04:48,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:04:48,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:04:48,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:04:48,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:04:48,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:04:48,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:04:48,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:04:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:04:48,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:04:48,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:04:48,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:04:48,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:04:48,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:04:48,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 20:04:48,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:04:48,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:04:48,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:04:48,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:04:48,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 20:04:48,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 20:04:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:04:48,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:04:48,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:04:48,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:04:48,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:04:48,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:04:48,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:04:48,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:04:48,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 20:04:48,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:04:48,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:04:48,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:04:48,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670836677] [2020-10-27 20:04:48,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:04:48,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 20:04:48,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207567581] [2020-10-27 20:04:48,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 20:04:48,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:04:48,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 20:04:48,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 20:04:48,537 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 8 states. [2020-10-27 20:04:49,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:04:49,319 INFO L93 Difference]: Finished difference Result 95 states and 129 transitions. [2020-10-27 20:04:49,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 20:04:49,321 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2020-10-27 20:04:49,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:04:49,329 INFO L225 Difference]: With dead ends: 95 [2020-10-27 20:04:49,329 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 20:04:49,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:04:49,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 20:04:49,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 20:04:49,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 20:04:49,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 20:04:49,364 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-10-27 20:04:49,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:04:49,364 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 20:04:49,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 20:04:49,365 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 20:04:49,365 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 20:04:49,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:04:49,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 20:04:49,785 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2020-10-27 20:04:49,785 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-10-27 20:04:49,785 INFO L274 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-10-27 20:04:49,785 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-27 20:04:49,786 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-27 20:04:49,786 INFO L270 CegarLoopResult]: At program point dll_update_atENTRY(lines 617 623) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-27 20:04:49,786 INFO L274 CegarLoopResult]: For program point dll_update_atEXIT(lines 617 623) no Hoare annotation was computed. [2020-10-27 20:04:49,786 INFO L270 CegarLoopResult]: At program point L618-2(lines 618 621) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-27 20:04:49,786 INFO L274 CegarLoopResult]: For program point L618-3(lines 618 621) no Hoare annotation was computed. [2020-10-27 20:04:49,787 INFO L274 CegarLoopResult]: For program point dll_update_atFINAL(lines 617 623) no Hoare annotation was computed. [2020-10-27 20:04:49,787 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 20:04:49,787 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string1.offset)| |#t~string1.offset|) (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-27 20:04:49,787 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 20:04:49,787 INFO L277 CegarLoopResult]: At program point myexitENTRY(lines 572 574) the Hoare annotation is: true [2020-10-27 20:04:49,788 INFO L277 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: true [2020-10-27 20:04:49,788 INFO L274 CegarLoopResult]: For program point myexitEXIT(lines 572 574) no Hoare annotation was computed. [2020-10-27 20:04:49,788 INFO L270 CegarLoopResult]: At program point dll_createENTRY(lines 585 602) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 20:04:49,788 INFO L274 CegarLoopResult]: For program point dll_createFINAL(lines 585 602) no Hoare annotation was computed. [2020-10-27 20:04:49,788 INFO L274 CegarLoopResult]: For program point L595(lines 595 597) no Hoare annotation was computed. [2020-10-27 20:04:49,788 INFO L274 CegarLoopResult]: For program point L595-2(lines 595 597) no Hoare annotation was computed. [2020-10-27 20:04:49,788 INFO L274 CegarLoopResult]: For program point L589(lines 589 591) no Hoare annotation was computed. [2020-10-27 20:04:49,789 INFO L274 CegarLoopResult]: For program point L589-1(lines 589 591) no Hoare annotation was computed. [2020-10-27 20:04:49,789 INFO L277 CegarLoopResult]: At program point L587-2(lines 587 600) the Hoare annotation is: true [2020-10-27 20:04:49,789 INFO L274 CegarLoopResult]: For program point L587-3(lines 587 600) no Hoare annotation was computed. [2020-10-27 20:04:49,789 INFO L274 CegarLoopResult]: For program point dll_createEXIT(lines 585 602) no Hoare annotation was computed. [2020-10-27 20:04:49,789 INFO L277 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: true [2020-10-27 20:04:49,789 INFO L274 CegarLoopResult]: For program point __bswap_32ENTRY(lines 74 78) no Hoare annotation was computed. [2020-10-27 20:04:49,790 INFO L274 CegarLoopResult]: For program point __bswap_32FINAL(lines 74 78) no Hoare annotation was computed. [2020-10-27 20:04:49,790 INFO L274 CegarLoopResult]: For program point __bswap_32EXIT(lines 74 78) no Hoare annotation was computed. [2020-10-27 20:04:49,790 INFO L274 CegarLoopResult]: For program point __bswap_64ENTRY(lines 79 83) no Hoare annotation was computed. [2020-10-27 20:04:49,790 INFO L274 CegarLoopResult]: For program point __bswap_64FINAL(lines 79 83) no Hoare annotation was computed. [2020-10-27 20:04:49,790 INFO L274 CegarLoopResult]: For program point __bswap_64EXIT(lines 79 83) no Hoare annotation was computed. [2020-10-27 20:04:49,790 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 20:04:49,790 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-27 20:04:49,791 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 20:04:49,791 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 20:04:49,791 INFO L277 CegarLoopResult]: At program point L611-2(lines 611 614) the Hoare annotation is: true [2020-10-27 20:04:49,791 INFO L274 CegarLoopResult]: For program point L611-3(lines 611 614) no Hoare annotation was computed. [2020-10-27 20:04:49,791 INFO L274 CegarLoopResult]: For program point dll_get_data_atFINAL(lines 610 616) no Hoare annotation was computed. [2020-10-27 20:04:49,791 INFO L277 CegarLoopResult]: At program point dll_get_data_atENTRY(lines 610 616) the Hoare annotation is: true [2020-10-27 20:04:49,791 INFO L274 CegarLoopResult]: For program point dll_get_data_atEXIT(lines 610 616) no Hoare annotation was computed. [2020-10-27 20:04:49,791 INFO L270 CegarLoopResult]: At program point L636(lines 624 643) the Hoare annotation is: false [2020-10-27 20:04:49,792 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 624 643) no Hoare annotation was computed. [2020-10-27 20:04:49,792 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 624 643) no Hoare annotation was computed. [2020-10-27 20:04:49,792 INFO L274 CegarLoopResult]: For program point L641(line 641) no Hoare annotation was computed. [2020-10-27 20:04:49,792 INFO L274 CegarLoopResult]: For program point L639(line 639) no Hoare annotation was computed. [2020-10-27 20:04:49,792 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 624 643) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 20:04:49,792 INFO L270 CegarLoopResult]: At program point L635(line 635) the Hoare annotation is: false [2020-10-27 20:04:49,793 INFO L274 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-10-27 20:04:49,793 INFO L274 CegarLoopResult]: For program point L635-2(lines 635 637) no Hoare annotation was computed. [2020-10-27 20:04:49,793 INFO L270 CegarLoopResult]: At program point L631(line 631) the Hoare annotation is: (<= 2 main_~len~0) [2020-10-27 20:04:49,793 INFO L274 CegarLoopResult]: For program point L633-2(lines 633 638) no Hoare annotation was computed. [2020-10-27 20:04:49,793 INFO L274 CegarLoopResult]: For program point L631-1(lines 629 632) no Hoare annotation was computed. [2020-10-27 20:04:49,793 INFO L270 CegarLoopResult]: At program point L633-3(lines 633 638) the Hoare annotation is: (and (<= 2 main_~len~0) (<= 1 main_~i~0)) [2020-10-27 20:04:49,794 INFO L270 CegarLoopResult]: At program point L633-4(lines 633 638) the Hoare annotation is: (and (<= 2 main_~len~0) (<= 1 main_~i~0)) [2020-10-27 20:04:49,794 INFO L270 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= 2 main_~len~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 20:04:49,794 INFO L270 CegarLoopResult]: At program point L629-2(lines 629 632) the Hoare annotation is: (<= 2 main_~len~0) [2020-10-27 20:04:49,794 INFO L274 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-10-27 20:04:49,794 INFO L274 CegarLoopResult]: For program point L629-3(lines 629 632) no Hoare annotation was computed. [2020-10-27 20:04:49,794 INFO L274 CegarLoopResult]: For program point dll_destroyEXIT(lines 603 609) no Hoare annotation was computed. [2020-10-27 20:04:49,795 INFO L270 CegarLoopResult]: At program point dll_destroyENTRY(lines 603 609) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-27 20:04:49,795 INFO L277 CegarLoopResult]: At program point L604-2(lines 604 608) the Hoare annotation is: true [2020-10-27 20:04:49,795 INFO L274 CegarLoopResult]: For program point L604-3(lines 603 609) no Hoare annotation was computed. [2020-10-27 20:04:49,795 INFO L274 CegarLoopResult]: For program point L577(lines 577 579) no Hoare annotation was computed. [2020-10-27 20:04:49,795 INFO L274 CegarLoopResult]: For program point L577-1(lines 577 579) no Hoare annotation was computed. [2020-10-27 20:04:49,795 INFO L274 CegarLoopResult]: For program point node_createENTRY(lines 575 584) no Hoare annotation was computed. [2020-10-27 20:04:49,795 INFO L274 CegarLoopResult]: For program point node_createFINAL(lines 575 584) no Hoare annotation was computed. [2020-10-27 20:04:49,796 INFO L274 CegarLoopResult]: For program point node_createEXIT(lines 575 584) no Hoare annotation was computed. [2020-10-27 20:04:49,796 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-10-27 20:04:49,809 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:04:49,810 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:04:49,811 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:04:49,811 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:04:49,811 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:04:49,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:04:49,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:04:49,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:04:49,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:04:49,813 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:04:49,813 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:04:49,813 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:04:49,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:04:49,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:04:49,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:04:49,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:04:49,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:04:49,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:04:49,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:04:49,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:04:49,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 08:04:49 BoogieIcfgContainer [2020-10-27 20:04:49,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 20:04:49,821 INFO L168 Benchmark]: Toolchain (without parser) took 5427.02 ms. Allocated memory was 159.4 MB in the beginning and 200.3 MB in the end (delta: 40.9 MB). Free memory was 132.0 MB in the beginning and 151.1 MB in the end (delta: -19.0 MB). Peak memory consumption was 106.7 MB. Max. memory is 8.0 GB. [2020-10-27 20:04:49,822 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 159.4 MB. Free memory is still 132.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 20:04:49,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.20 ms. Allocated memory is still 159.4 MB. Free memory was 131.5 MB in the beginning and 108.6 MB in the end (delta: 22.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-10-27 20:04:49,824 INFO L168 Benchmark]: Boogie Preprocessor took 69.53 ms. Allocated memory is still 159.4 MB. Free memory was 108.6 MB in the beginning and 105.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-27 20:04:49,825 INFO L168 Benchmark]: RCFGBuilder took 885.33 ms. Allocated memory is still 159.4 MB. Free memory was 105.8 MB in the beginning and 105.1 MB in the end (delta: 752.8 kB). Peak memory consumption was 15.9 MB. Max. memory is 8.0 GB. [2020-10-27 20:04:49,826 INFO L168 Benchmark]: TraceAbstraction took 3714.42 ms. Allocated memory was 159.4 MB in the beginning and 200.3 MB in the end (delta: 40.9 MB). Free memory was 104.6 MB in the beginning and 151.1 MB in the end (delta: -46.5 MB). Peak memory consumption was 78.3 MB. Max. memory is 8.0 GB. [2020-10-27 20:04:49,829 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 159.4 MB. Free memory is still 132.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 743.20 ms. Allocated memory is still 159.4 MB. Free memory was 131.5 MB in the beginning and 108.6 MB in the end (delta: 22.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 69.53 ms. Allocated memory is still 159.4 MB. Free memory was 108.6 MB in the beginning and 105.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 885.33 ms. Allocated memory is still 159.4 MB. Free memory was 105.8 MB in the beginning and 105.1 MB in the end (delta: 752.8 kB). Peak memory consumption was 15.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3714.42 ms. Allocated memory was 159.4 MB in the beginning and 200.3 MB in the end (delta: 40.9 MB). Free memory was 104.6 MB in the beginning and 151.1 MB in the end (delta: -46.5 MB). Peak memory consumption was 78.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 2 <= len - InvariantResult [Line: 618]: Loop Invariant [2020-10-27 20:04:49,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:04:49,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:04:49,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:04:49,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:04:49,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:04:49,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:04:49,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:04:49,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:04:49,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:04:49,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:04:49,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:04:49,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:04:49,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:04:49,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:04:49,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:04:49,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:04:49,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:04:49,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:04:49,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:04:49,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 2 <= len && 1 <= i - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 34 SDtfs, 46 SDslu, 95 SDs, 0 SdLazy, 142 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 31 PreInvPairs, 40 NumberOfFragments, 131 HoareAnnotationTreeSize, 31 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FomulaSimplificationsInter, 208 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 2158 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...