java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/heap-data/hash_fun.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 00:11:22,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:11:22,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:11:22,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:11:22,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:11:22,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:11:22,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:11:22,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:11:22,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:11:22,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:11:22,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:11:22,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:11:22,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:11:22,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:11:22,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:11:22,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:11:22,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:11:22,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:11:22,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:11:22,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:11:22,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:11:22,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:11:22,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:11:22,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:11:22,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:11:22,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:11:22,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:11:22,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:11:22,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:11:22,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:11:22,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:11:22,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:11:22,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:11:22,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:11:22,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:11:22,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:11:22,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:11:22,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:11:22,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:11:22,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:11:22,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:11:22,990 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 [2019-10-15 00:11:23,021 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:11:23,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:11:23,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:11:23,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:11:23,028 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:11:23,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:11:23,028 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:11:23,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:11:23,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:11:23,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:11:23,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:11:23,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:11:23,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:11:23,030 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:11:23,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:11:23,030 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:11:23,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:11:23,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:11:23,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:11:23,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:11:23,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:11:23,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:11:23,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:11:23,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:11:23,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:11:23,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:11:23,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:11:23,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:11:23,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 00:11:23,305 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:11:23,318 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:11:23,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:11:23,323 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:11:23,323 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:11:23,324 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-data/hash_fun.i [2019-10-15 00:11:23,398 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/113adec29/b9eece03403b4c3c81ab8903f28ed4f7/FLAG3fd9931de [2019-10-15 00:11:23,899 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:11:23,899 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-data/hash_fun.i [2019-10-15 00:11:23,912 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/113adec29/b9eece03403b4c3c81ab8903f28ed4f7/FLAG3fd9931de [2019-10-15 00:11:24,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/113adec29/b9eece03403b4c3c81ab8903f28ed4f7 [2019-10-15 00:11:24,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:11:24,233 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:11:24,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:11:24,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:11:24,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:11:24,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:11:24" (1/1) ... [2019-10-15 00:11:24,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae0ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:24, skipping insertion in model container [2019-10-15 00:11:24,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:11:24" (1/1) ... [2019-10-15 00:11:24,253 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:11:24,305 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:11:24,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:11:24,825 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:11:24,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:11:24,949 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:11:24,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:24 WrapperNode [2019-10-15 00:11:24,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:11:24,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:11:24,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:11:24,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:11:24,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:24" (1/1) ... [2019-10-15 00:11:24,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:24" (1/1) ... [2019-10-15 00:11:25,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:24" (1/1) ... [2019-10-15 00:11:25,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:24" (1/1) ... [2019-10-15 00:11:25,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:24" (1/1) ... [2019-10-15 00:11:25,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:24" (1/1) ... [2019-10-15 00:11:25,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:24" (1/1) ... [2019-10-15 00:11:25,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:11:25,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:11:25,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:11:25,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:11:25,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:24" (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 [2019-10-15 00:11:25,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:11:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:11:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-15 00:11:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-15 00:11:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_fun [2019-10-15 00:11:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_list [2019-10-15 00:11:25,097 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:11:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:11:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:11:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-15 00:11:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-15 00:11:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-15 00:11:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-15 00:11:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-15 00:11:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-15 00:11:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-15 00:11:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-15 00:11:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-15 00:11:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-15 00:11:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-15 00:11:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-15 00:11:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-15 00:11:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-15 00:11:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-15 00:11:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-15 00:11:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-15 00:11:25,101 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-15 00:11:25,101 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-15 00:11:25,101 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-15 00:11:25,101 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-15 00:11:25,101 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-15 00:11:25,101 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-15 00:11:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-15 00:11:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-15 00:11:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-15 00:11:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-15 00:11:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-15 00:11:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-15 00:11:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-15 00:11:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-15 00:11:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-15 00:11:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-15 00:11:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-15 00:11:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-15 00:11:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-15 00:11:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-15 00:11:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-15 00:11:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-15 00:11:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-15 00:11:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-15 00:11:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-15 00:11:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-15 00:11:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-15 00:11:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-15 00:11:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-15 00:11:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-15 00:11:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-15 00:11:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-15 00:11:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-15 00:11:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-15 00:11:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-15 00:11:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:11:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 00:11:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-15 00:11:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:11:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-15 00:11:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-15 00:11:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-15 00:11:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-15 00:11:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-15 00:11:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-15 00:11:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-15 00:11:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-15 00:11:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-15 00:11:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 00:11:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-15 00:11:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-15 00:11:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-15 00:11:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-15 00:11:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-15 00:11:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-15 00:11:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-15 00:11:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-15 00:11:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-15 00:11:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-15 00:11:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-15 00:11:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-15 00:11:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-15 00:11:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-15 00:11:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-15 00:11:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-15 00:11:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-15 00:11:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-15 00:11:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-15 00:11:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-15 00:11:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-15 00:11:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-15 00:11:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-15 00:11:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-15 00:11:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-15 00:11:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-15 00:11:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-15 00:11:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-15 00:11:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-15 00:11:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-15 00:11:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-15 00:11:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-15 00:11:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-15 00:11:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-15 00:11:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-15 00:11:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-15 00:11:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-15 00:11:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-15 00:11:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-15 00:11:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure hash_fun [2019-10-15 00:11:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_list [2019-10-15 00:11:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:11:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:11:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:11:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:11:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:11:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:11:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:11:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:11:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:11:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:11:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:11:25,630 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:11:25,630 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-15 00:11:25,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:11:25 BoogieIcfgContainer [2019-10-15 00:11:25,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:11:25,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:11:25,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:11:25,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:11:25,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:11:24" (1/3) ... [2019-10-15 00:11:25,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae468c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:11:25, skipping insertion in model container [2019-10-15 00:11:25,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:24" (2/3) ... [2019-10-15 00:11:25,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae468c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:11:25, skipping insertion in model container [2019-10-15 00:11:25,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:11:25" (3/3) ... [2019-10-15 00:11:25,641 INFO L109 eAbstractionObserver]: Analyzing ICFG hash_fun.i [2019-10-15 00:11:25,650 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:11:25,658 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:11:25,669 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:11:25,691 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:11:25,692 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:11:25,692 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:11:25,692 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:11:25,693 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:11:25,693 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:11:25,693 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:11:25,693 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:11:25,706 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2019-10-15 00:11:25,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-15 00:11:25,711 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:11:25,712 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:11:25,714 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:11:25,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:11:25,719 INFO L82 PathProgramCache]: Analyzing trace with hash 58523941, now seen corresponding path program 1 times [2019-10-15 00:11:25,726 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:11:25,726 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603366861] [2019-10-15 00:11:25,726 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:11:25,726 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:11:25,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:11:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:11:25,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:11:25,867 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603366861] [2019-10-15 00:11:25,868 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:11:25,868 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 00:11:25,868 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655944134] [2019-10-15 00:11:25,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 00:11:25,874 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:11:25,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 00:11:25,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 00:11:25,889 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2019-10-15 00:11:25,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:11:25,906 INFO L93 Difference]: Finished difference Result 43 states and 53 transitions. [2019-10-15 00:11:25,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 00:11:25,907 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-10-15 00:11:25,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:11:25,918 INFO L225 Difference]: With dead ends: 43 [2019-10-15 00:11:25,919 INFO L226 Difference]: Without dead ends: 26 [2019-10-15 00:11:25,922 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 00:11:25,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-10-15 00:11:25,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-10-15 00:11:25,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-10-15 00:11:25,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2019-10-15 00:11:25,959 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 12 [2019-10-15 00:11:25,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:11:25,960 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2019-10-15 00:11:25,960 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 00:11:25,960 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2019-10-15 00:11:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-15 00:11:25,961 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:11:25,961 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:11:25,961 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:11:25,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:11:25,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1222839633, now seen corresponding path program 1 times [2019-10-15 00:11:25,962 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:11:25,962 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522600229] [2019-10-15 00:11:25,963 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:11:25,963 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:11:25,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:11:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:11:26,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:11:26,064 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522600229] [2019-10-15 00:11:26,064 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:11:26,064 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 00:11:26,065 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395239432] [2019-10-15 00:11:26,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 00:11:26,066 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:11:26,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 00:11:26,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 00:11:26,067 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand 4 states. [2019-10-15 00:11:26,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:11:26,134 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2019-10-15 00:11:26,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 00:11:26,135 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-10-15 00:11:26,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:11:26,136 INFO L225 Difference]: With dead ends: 42 [2019-10-15 00:11:26,136 INFO L226 Difference]: Without dead ends: 33 [2019-10-15 00:11:26,137 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:11:26,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-15 00:11:26,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2019-10-15 00:11:26,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-10-15 00:11:26,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2019-10-15 00:11:26,153 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 13 [2019-10-15 00:11:26,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:11:26,153 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2019-10-15 00:11:26,153 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 00:11:26,153 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2019-10-15 00:11:26,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-15 00:11:26,155 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:11:26,156 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:11:26,156 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:11:26,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:11:26,156 INFO L82 PathProgramCache]: Analyzing trace with hash 479588754, now seen corresponding path program 1 times [2019-10-15 00:11:26,157 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:11:26,157 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122211380] [2019-10-15 00:11:26,157 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:11:26,157 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:11:26,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:11:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:11:26,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:11:26,393 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122211380] [2019-10-15 00:11:26,393 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618050137] [2019-10-15 00:11:26,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 00:11:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:11:26,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 26 conjunts are in the unsatisfiable core [2019-10-15 00:11:26,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 00:11:26,655 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-10-15 00:11:26,655 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 00:11:26,686 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 00:11:26,699 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-10-15 00:11:26,700 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-15 00:11:26,719 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 00:11:26,750 INFO L341 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2019-10-15 00:11:26,751 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 15 [2019-10-15 00:11:26,752 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-10-15 00:11:26,774 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 00:11:26,777 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 00:11:26,782 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-15 00:11:26,782 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:62, output treesize:41 [2019-10-15 00:11:26,820 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 00:11:26,861 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 00:11:26,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:11:26,867 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 00:11:26,872 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 00:11:27,045 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_20|], 2=[|v_#memory_int_21|]} [2019-10-15 00:11:27,087 INFO L341 Elim1Store]: treesize reduction 20, result has 47.4 percent of original size [2019-10-15 00:11:27,088 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 18 [2019-10-15 00:11:27,089 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-10-15 00:11:27,107 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 00:11:27,118 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2019-10-15 00:11:27,119 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 00:11:27,122 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2019-10-15 00:11:27,135 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 00:11:27,137 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 00:11:27,139 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-15 00:11:27,139 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:50, output treesize:11 [2019-10-15 00:11:27,210 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_14|], 2=[|v_#memory_int_22|]} [2019-10-15 00:11:27,223 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-15 00:11:27,226 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-15 00:11:27,228 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2019-10-15 00:11:27,228 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 00:11:27,231 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 00:11:27,231 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_int_22| vanished before elimination [2019-10-15 00:11:27,231 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-15 00:11:27,232 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:56, output treesize:1 [2019-10-15 00:11:27,233 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 00:11:27,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:11:27,278 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [17615053] [2019-10-15 00:11:27,290 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 27 [2019-10-15 00:11:27,341 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 00:11:27,341 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 00:11:27,391 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 00:11:27,393 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 19 root evaluator evaluations with a maximum evaluation depth of 0. Performed 19 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 32 variables. [2019-10-15 00:11:27,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:11:27,396 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 00:11:27,431 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes. [2019-10-15 00:11:27,431 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 00:11:27,438 INFO L553 sIntCurrentIteration]: We unified 25 AI predicates to 25 [2019-10-15 00:11:27,438 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 00:11:27,439 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 00:11:27,439 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 7] total 15 [2019-10-15 00:11:27,439 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153053289] [2019-10-15 00:11:27,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 00:11:27,441 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 00:11:27,441 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 00:11:27,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 00:11:27,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 00:11:27,441 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 2 states. [2019-10-15 00:11:27,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:11:27,444 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2019-10-15 00:11:27,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 00:11:27,444 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 26 [2019-10-15 00:11:27,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:11:27,445 INFO L225 Difference]: With dead ends: 32 [2019-10-15 00:11:27,445 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 00:11:27,445 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 00:11:27,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 00:11:27,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 00:11:27,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 00:11:27,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 00:11:27,446 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-10-15 00:11:27,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:11:27,447 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 00:11:27,447 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 00:11:27,447 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 00:11:27,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 00:11:27,650 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 00:11:27,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 00:11:27,678 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 00:11:27,678 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-15 00:11:27,678 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 00:11:27,678 INFO L443 ceAbstractionStarter]: For program point hash_funFINAL(line 561) no Hoare annotation was computed. [2019-10-15 00:11:27,679 INFO L446 ceAbstractionStarter]: At program point hash_funENTRY(line 561) the Hoare annotation is: true [2019-10-15 00:11:27,679 INFO L443 ceAbstractionStarter]: For program point hash_funEXIT(line 561) no Hoare annotation was computed. [2019-10-15 00:11:27,679 INFO L443 ceAbstractionStarter]: For program point __bswap_32ENTRY(lines 64 68) no Hoare annotation was computed. [2019-10-15 00:11:27,679 INFO L443 ceAbstractionStarter]: For program point __bswap_32FINAL(lines 64 68) no Hoare annotation was computed. [2019-10-15 00:11:27,679 INFO L443 ceAbstractionStarter]: For program point __bswap_32EXIT(lines 64 68) no Hoare annotation was computed. [2019-10-15 00:11:27,679 INFO L443 ceAbstractionStarter]: For program point __bswap_64ENTRY(lines 69 73) no Hoare annotation was computed. [2019-10-15 00:11:27,679 INFO L443 ceAbstractionStarter]: For program point __bswap_64FINAL(lines 69 73) no Hoare annotation was computed. [2019-10-15 00:11:27,680 INFO L443 ceAbstractionStarter]: For program point __bswap_64EXIT(lines 69 73) no Hoare annotation was computed. [2019-10-15 00:11:27,680 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 00:11:27,680 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-15 00:11:27,680 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 00:11:27,680 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 00:11:27,680 INFO L439 ceAbstractionStarter]: At program point L576(line 576) the Hoare annotation is: false [2019-10-15 00:11:27,680 INFO L443 ceAbstractionStarter]: For program point L580-4(lines 580 581) no Hoare annotation was computed. [2019-10-15 00:11:27,681 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 577) no Hoare annotation was computed. [2019-10-15 00:11:27,681 INFO L439 ceAbstractionStarter]: At program point L572-1(lines 571 578) the Hoare annotation is: false [2019-10-15 00:11:27,681 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 568 584) no Hoare annotation was computed. [2019-10-15 00:11:27,681 INFO L443 ceAbstractionStarter]: For program point L581(line 581) no Hoare annotation was computed. [2019-10-15 00:11:27,681 INFO L439 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: false [2019-10-15 00:11:27,681 INFO L443 ceAbstractionStarter]: For program point L574-1(line 574) no Hoare annotation was computed. [2019-10-15 00:11:27,681 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 568 584) no Hoare annotation was computed. [2019-10-15 00:11:27,681 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 583) no Hoare annotation was computed. [2019-10-15 00:11:27,682 INFO L443 ceAbstractionStarter]: For program point L579-2(lines 568 584) no Hoare annotation was computed. [2019-10-15 00:11:27,682 INFO L443 ceAbstractionStarter]: For program point L579-3(lines 579 583) no Hoare annotation was computed. [2019-10-15 00:11:27,682 INFO L443 ceAbstractionStarter]: For program point L575(lines 575 576) no Hoare annotation was computed. [2019-10-15 00:11:27,682 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 568 584) the Hoare annotation is: true [2019-10-15 00:11:27,682 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 581) no Hoare annotation was computed. [2019-10-15 00:11:27,682 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 578) no Hoare annotation was computed. [2019-10-15 00:11:27,683 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-15 00:11:27,683 INFO L443 ceAbstractionStarter]: For program point L580-2(lines 580 581) no Hoare annotation was computed. [2019-10-15 00:11:27,683 INFO L443 ceAbstractionStarter]: For program point append_to_listEXIT(lines 562 567) no Hoare annotation was computed. [2019-10-15 00:11:27,683 INFO L446 ceAbstractionStarter]: At program point append_to_listENTRY(lines 562 567) the Hoare annotation is: true [2019-10-15 00:11:27,683 INFO L443 ceAbstractionStarter]: For program point append_to_listFINAL(lines 562 567) no Hoare annotation was computed. [2019-10-15 00:11:27,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 12:11:27 BoogieIcfgContainer [2019-10-15 00:11:27,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 00:11:27,693 INFO L168 Benchmark]: Toolchain (without parser) took 3460.31 ms. Allocated memory was 146.8 MB in the beginning and 245.9 MB in the end (delta: 99.1 MB). Free memory was 104.1 MB in the beginning and 196.5 MB in the end (delta: -92.4 MB). Peak memory consumption was 6.7 MB. Max. memory is 7.1 GB. [2019-10-15 00:11:27,694 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.8 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 00:11:27,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.97 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 103.8 MB in the beginning and 169.8 MB in the end (delta: -66.0 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-10-15 00:11:27,695 INFO L168 Benchmark]: Boogie Preprocessor took 83.82 ms. Allocated memory is still 203.9 MB. Free memory was 169.8 MB in the beginning and 167.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-10-15 00:11:27,696 INFO L168 Benchmark]: RCFGBuilder took 597.65 ms. Allocated memory is still 203.9 MB. Free memory was 167.2 MB in the beginning and 124.0 MB in the end (delta: 43.2 MB). Peak memory consumption was 43.2 MB. Max. memory is 7.1 GB. [2019-10-15 00:11:27,697 INFO L168 Benchmark]: TraceAbstraction took 2058.25 ms. Allocated memory was 203.9 MB in the beginning and 245.9 MB in the end (delta: 41.9 MB). Free memory was 124.0 MB in the beginning and 196.5 MB in the end (delta: -72.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 00:11:27,700 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.8 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 712.97 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 103.8 MB in the beginning and 169.8 MB in the end (delta: -66.0 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.82 ms. Allocated memory is still 203.9 MB. Free memory was 169.8 MB in the beginning and 167.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 597.65 ms. Allocated memory is still 203.9 MB. Free memory was 167.2 MB in the beginning and 124.0 MB in the end (delta: 43.2 MB). Peak memory consumption was 43.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2058.25 ms. Allocated memory was 203.9 MB in the beginning and 245.9 MB in the end (delta: 41.9 MB). Free memory was 124.0 MB in the beginning and 196.5 MB in the end (delta: -72.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 581]: 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: 571]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 37 locations, 1 error locations. Result: SAFE, OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 71 SDtfs, 7 SDslu, 52 SDs, 0 SdLazy, 11 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=2, 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, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 9 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 15741 SizeOfPredicates, 20 NumberOfNonLiveVariables, 131 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 0/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 107, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 0.97, AVG_VARS_REMOVED_DURING_WEAKENING: 1.28, AVG_WEAKENED_CONJUNCTS: 0.24, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...