java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-simple/sll2c_append_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:55:07,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:55:07,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:55:07,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:55:07,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:55:07,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:55:07,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:55:07,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:55:07,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:55:07,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:55:07,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:55:07,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:55:07,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:55:07,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:55:07,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:55:07,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:55:07,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:55:07,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:55:07,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:55:07,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:55:07,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:55:07,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:55:07,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:55:07,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:55:07,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:55:07,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:55:07,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:55:07,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:55:07,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:55:07,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:55:07,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:55:07,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:55:07,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:55:07,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:55:07,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:55:07,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:55:07,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:55:07,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:55:07,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:55:07,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:55:07,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:55:07,146 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-21 09:55:07,182 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:55:07,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:55:07,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:55:07,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:55:07,187 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:55:07,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:55:07,187 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:55:07,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:55:07,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:55:07,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:55:07,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:55:07,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:55:07,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:55:07,189 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:55:07,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:55:07,190 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:55:07,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:55:07,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:55:07,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:55:07,191 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:55:07,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:55:07,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:55:07,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:55:07,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:55:07,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:55:07,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:55:07,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:55:07,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:55:07,192 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:55:07,235 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:55:07,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:55:07,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:55:07,259 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:55:07,260 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:55:07,260 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_append_unequal.i [2019-09-21 09:55:07,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/634a12ef2/703452b571c541b5a595c3d6b2dcd768/FLAGb382b45f9 [2019-09-21 09:55:07,904 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:55:07,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_append_unequal.i [2019-09-21 09:55:07,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/634a12ef2/703452b571c541b5a595c3d6b2dcd768/FLAGb382b45f9 [2019-09-21 09:55:08,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/634a12ef2/703452b571c541b5a595c3d6b2dcd768 [2019-09-21 09:55:08,188 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:55:08,190 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:55:08,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:55:08,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:55:08,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:55:08,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:55:08" (1/1) ... [2019-09-21 09:55:08,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d0f6bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:08, skipping insertion in model container [2019-09-21 09:55:08,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:55:08" (1/1) ... [2019-09-21 09:55:08,205 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:55:08,257 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:55:08,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:55:08,749 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:55:08,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:55:08,870 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:55:08,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:08 WrapperNode [2019-09-21 09:55:08,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:55:08,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:55:08,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:55:08,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:55:08,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:08" (1/1) ... [2019-09-21 09:55:08,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:08" (1/1) ... [2019-09-21 09:55:08,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:08" (1/1) ... [2019-09-21 09:55:08,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:08" (1/1) ... [2019-09-21 09:55:08,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:08" (1/1) ... [2019-09-21 09:55:08,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:08" (1/1) ... [2019-09-21 09:55:08,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:08" (1/1) ... [2019-09-21 09:55:08,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:55:08,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:55:08,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:55:08,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:55:08,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:55:09,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:55:09,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:55:09,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-21 09:55:09,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-21 09:55:09,029 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-21 09:55:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-21 09:55:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-21 09:55:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2019-09-21 09:55:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_append [2019-09-21 09:55:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:55:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:55:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-21 09:55:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-21 09:55:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-21 09:55:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-21 09:55:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-21 09:55:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-21 09:55:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-21 09:55:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-21 09:55:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-21 09:55:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-21 09:55:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-21 09:55:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-21 09:55:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-21 09:55:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-21 09:55:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-21 09:55:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-21 09:55:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-21 09:55:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-21 09:55:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-21 09:55:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-21 09:55:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-21 09:55:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-21 09:55:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-21 09:55:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-21 09:55:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-21 09:55:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-21 09:55:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-21 09:55:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-21 09:55:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-21 09:55:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-21 09:55:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-21 09:55:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-21 09:55:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-21 09:55:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-21 09:55:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-21 09:55:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-21 09:55:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-21 09:55:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-21 09:55:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-21 09:55:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-21 09:55:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-21 09:55:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-21 09:55:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-21 09:55:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-21 09:55:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-21 09:55:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-21 09:55:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-21 09:55:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-21 09:55:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-21 09:55:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-21 09:55:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-21 09:55:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-21 09:55:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:55:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-21 09:55:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-21 09:55:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:55:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-21 09:55:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-21 09:55:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-21 09:55:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-21 09:55:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-21 09:55:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-21 09:55:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-21 09:55:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-21 09:55:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-21 09:55:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-21 09:55:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-21 09:55:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-21 09:55:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-21 09:55:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-21 09:55:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-21 09:55:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-21 09:55:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-21 09:55:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-21 09:55:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-21 09:55:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-21 09:55:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-21 09:55:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-21 09:55:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-21 09:55:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-21 09:55:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-21 09:55:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-21 09:55:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-21 09:55:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-21 09:55:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-21 09:55:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-21 09:55:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-21 09:55:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-21 09:55:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-21 09:55:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-21 09:55:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-21 09:55:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-21 09:55:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-21 09:55:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-21 09:55:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-21 09:55:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-21 09:55:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-21 09:55:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-21 09:55:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-21 09:55:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-21 09:55:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-21 09:55:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-21 09:55:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-21 09:55:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-21 09:55:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-21 09:55:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-21 09:55:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-21 09:55:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:55:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:55:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:55:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-21 09:55:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2019-09-21 09:55:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:55:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:55:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_append [2019-09-21 09:55:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:55:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:55:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-21 09:55:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:55:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:55:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:55:09,429 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-21 09:55:09,755 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:55:09,756 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 09:55:09,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:55:09 BoogieIcfgContainer [2019-09-21 09:55:09,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:55:09,758 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:55:09,758 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:55:09,759 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:55:09,760 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:55:09" (1/1) ... [2019-09-21 09:55:09,761 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:55:09,789 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:55:09,789 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:55:09,798 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:55:09,807 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:55:09,808 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:55:10,031 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-09-21 09:55:10,204 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-21 09:55:10,321 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:11,504 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:13,065 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:14,630 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:15,580 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:16,782 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:18,114 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:20,324 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:20,414 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:22,135 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 364 [2019-09-21 09:55:22,285 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2019-09-21 09:55:22,441 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 358 [2019-09-21 09:55:22,812 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:25,446 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:25,844 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:27,243 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 430 [2019-09-21 09:55:27,392 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:31,663 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:31,814 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:32,060 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:33,441 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:37,530 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:38,909 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:39,140 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:40,156 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-09-21 09:55:40,200 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.sifa has thrown an exception: java.lang.AssertionError: This case should habe been handled by DER at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:192) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.(DerPreprocessor.java:95) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:291) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:256) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:275) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:263) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:237) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:216) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:81) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.process(SifaObserver.java:72) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) 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:316) 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) [2019-09-21 09:55:40,208 INFO L168 Benchmark]: Toolchain (without parser) took 32018.23 ms. Allocated memory was 139.5 MB in the beginning and 933.2 MB in the end (delta: 793.8 MB). Free memory was 84.5 MB in the beginning and 703.4 MB in the end (delta: -618.9 MB). Peak memory consumption was 174.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:55:40,209 INFO L168 Benchmark]: CDTParser took 1.27 ms. Allocated memory is still 139.5 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:55:40,210 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.45 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 84.3 MB in the beginning and 161.3 MB in the end (delta: -77.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:55:40,210 INFO L168 Benchmark]: Boogie Preprocessor took 98.00 ms. Allocated memory is still 199.2 MB. Free memory was 161.3 MB in the beginning and 158.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-21 09:55:40,210 INFO L168 Benchmark]: RCFGBuilder took 787.43 ms. Allocated memory is still 199.2 MB. Free memory was 158.2 MB in the beginning and 101.2 MB in the end (delta: 57.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:55:40,211 INFO L168 Benchmark]: Sifa took 30445.50 ms. Allocated memory was 199.2 MB in the beginning and 933.2 MB in the end (delta: 734.0 MB). Free memory was 101.2 MB in the beginning and 703.4 MB in the end (delta: -602.2 MB). Peak memory consumption was 131.8 MB. Max. memory is 7.1 GB. [2019-09-21 09:55:40,215 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27 ms. Allocated memory is still 139.5 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 680.45 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 84.3 MB in the beginning and 161.3 MB in the end (delta: -77.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.00 ms. Allocated memory is still 199.2 MB. Free memory was 161.3 MB in the beginning and 158.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 787.43 ms. Allocated memory is still 199.2 MB. Free memory was 158.2 MB in the beginning and 101.2 MB in the end (delta: 57.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 7.1 GB. * Sifa took 30445.50 ms. Allocated memory was 199.2 MB in the beginning and 933.2 MB in the end (delta: 734.0 MB). Free memory was 101.2 MB in the beginning and 703.4 MB in the end (delta: -602.2 MB). Peak memory consumption was 131.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: AssertionError: This case should habe been handled by DER de.uni_freiburg.informatik.ultimate.plugins.sifa: AssertionError: This case should habe been handled by DER: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...