/usr/bin/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/list-simple/dll2n_remove_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 00:31:43,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:31:44,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:31:44,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:31:44,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:31:44,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:31:44,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:31:44,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:31:44,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:31:44,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:31:44,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:31:44,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:31:44,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:31:44,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:31:44,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:31:44,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:31:44,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:31:44,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:31:44,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:31:44,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:31:44,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:31:44,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:31:44,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:31:44,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:31:44,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 00:31:44,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 00:31:44,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 00:31:44,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 00:31:44,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 00:31:44,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 00:31:44,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 00:31:44,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 00:31:44,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 00:31:44,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 00:31:44,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 00:31:44,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 00:31:44,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 00:31:44,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 00:31:44,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:31:44,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:31:44,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:31:44,085 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 [2019-11-07 00:31:44,118 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:31:44,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:31:44,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:31:44,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:31:44,125 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:31:44,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:31:44,125 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:31:44,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:31:44,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:31:44,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:31:44,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:31:44,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:31:44,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:31:44,126 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:31:44,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:31:44,127 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:31:44,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:31:44,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:31:44,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:31:44,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:31:44,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:31:44,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:31:44,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:31:44,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:31:44,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:31:44,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:31:44,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:31:44,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:31:44,131 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 [2019-11-07 00:31:44,419 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:31:44,440 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:31:44,444 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:31:44,445 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:31:44,446 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:31:44,446 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_remove_all_reverse.i [2019-11-07 00:31:44,522 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d879bc9/03b11453eadc43a195b599597a9dbfb2/FLAGf48f068dc [2019-11-07 00:31:45,151 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:31:45,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_remove_all_reverse.i [2019-11-07 00:31:45,176 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d879bc9/03b11453eadc43a195b599597a9dbfb2/FLAGf48f068dc [2019-11-07 00:31:45,436 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d879bc9/03b11453eadc43a195b599597a9dbfb2 [2019-11-07 00:31:45,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:31:45,446 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:31:45,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:31:45,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:31:45,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:31:45,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:31:45" (1/1) ... [2019-11-07 00:31:45,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fac3e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:45, skipping insertion in model container [2019-11-07 00:31:45,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:31:45" (1/1) ... [2019-11-07 00:31:45,466 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:31:45,511 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:31:45,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:31:45,994 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:31:46,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:31:46,117 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:31:46,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:46 WrapperNode [2019-11-07 00:31:46,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:31:46,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:31:46,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:31:46,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:31:46,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:46" (1/1) ... [2019-11-07 00:31:46,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:46" (1/1) ... [2019-11-07 00:31:46,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:46" (1/1) ... [2019-11-07 00:31:46,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:46" (1/1) ... [2019-11-07 00:31:46,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:46" (1/1) ... [2019-11-07 00:31:46,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:46" (1/1) ... [2019-11-07 00:31:46,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:46" (1/1) ... [2019-11-07 00:31:46,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:31:46,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:31:46,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:31:46,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:31:46,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:46" (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 [2019-11-07 00:31:46,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:31:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:31:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-07 00:31:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-07 00:31:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-07 00:31:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-11-07 00:31:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-11-07 00:31:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_remove_last [2019-11-07 00:31:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:31:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:31:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-07 00:31:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-07 00:31:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-07 00:31:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-07 00:31:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-07 00:31:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-07 00:31:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-07 00:31:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-07 00:31:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-07 00:31:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-07 00:31:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-07 00:31:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-07 00:31:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-07 00:31:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-07 00:31:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-07 00:31:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-07 00:31:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-07 00:31:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-07 00:31:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-07 00:31:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-07 00:31:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-07 00:31:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-07 00:31:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-07 00:31:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-07 00:31:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-07 00:31:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-07 00:31:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-07 00:31:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-07 00:31:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-07 00:31:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-07 00:31:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-07 00:31:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-07 00:31:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-07 00:31:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-07 00:31:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-07 00:31:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-07 00:31:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-07 00:31:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-07 00:31:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-07 00:31:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-07 00:31:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-07 00:31:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-07 00:31:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-07 00:31:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-07 00:31:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-07 00:31:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-07 00:31:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-07 00:31:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-07 00:31:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-07 00:31:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-07 00:31:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-07 00:31:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-07 00:31:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 00:31:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 00:31:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-07 00:31:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 00:31:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-07 00:31:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-07 00:31:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-07 00:31:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-07 00:31:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-07 00:31:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-07 00:31:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-07 00:31:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-07 00:31:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-07 00:31:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 00:31:46,266 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-07 00:31:46,266 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-07 00:31:46,266 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-07 00:31:46,266 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-07 00:31:46,267 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-07 00:31:46,267 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-07 00:31:46,267 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-07 00:31:46,267 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-07 00:31:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-07 00:31:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-07 00:31:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-07 00:31:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-07 00:31:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-07 00:31:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-07 00:31:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-07 00:31:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-07 00:31:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-07 00:31:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-07 00:31:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-07 00:31:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-07 00:31:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-07 00:31:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-07 00:31:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-07 00:31:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-07 00:31:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-07 00:31:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-07 00:31:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-07 00:31:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-07 00:31:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-07 00:31:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-07 00:31:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-07 00:31:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-07 00:31:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-07 00:31:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-07 00:31:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-07 00:31:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-07 00:31:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-07 00:31:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-07 00:31:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-07 00:31:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-07 00:31:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-11-07 00:31:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 00:31:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 00:31:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 00:31:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-11-07 00:31:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure dll_remove_last [2019-11-07 00:31:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 00:31:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 00:31:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:31:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 00:31:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 00:31:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:31:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:31:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 00:31:46,731 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-07 00:31:46,948 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:31:46,948 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-11-07 00:31:46,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:31:46 BoogieIcfgContainer [2019-11-07 00:31:46,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:31:46,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:31:46,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:31:46,954 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:31:46,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:31:45" (1/3) ... [2019-11-07 00:31:46,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ad4073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:31:46, skipping insertion in model container [2019-11-07 00:31:46,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:46" (2/3) ... [2019-11-07 00:31:46,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ad4073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:31:46, skipping insertion in model container [2019-11-07 00:31:46,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:31:46" (3/3) ... [2019-11-07 00:31:46,958 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2n_remove_all_reverse.i [2019-11-07 00:31:46,968 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:31:46,976 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:31:46,988 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:31:47,009 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:31:47,009 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:31:47,009 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:31:47,010 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:31:47,010 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:31:47,010 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:31:47,010 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:31:47,010 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:31:47,029 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2019-11-07 00:31:47,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-07 00:31:47,035 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:31:47,036 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:31:47,038 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:31:47,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:31:47,044 INFO L82 PathProgramCache]: Analyzing trace with hash 69017892, now seen corresponding path program 1 times [2019-11-07 00:31:47,054 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:31:47,055 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636658166] [2019-11-07 00:31:47,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:31:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:31:47,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:31:47,265 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636658166] [2019-11-07 00:31:47,266 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:31:47,266 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 00:31:47,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81176690] [2019-11-07 00:31:47,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 00:31:47,274 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:31:47,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 00:31:47,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:31:47,292 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 4 states. [2019-11-07 00:31:47,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:31:47,354 INFO L93 Difference]: Finished difference Result 63 states and 82 transitions. [2019-11-07 00:31:47,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 00:31:47,356 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-11-07 00:31:47,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:31:47,364 INFO L225 Difference]: With dead ends: 63 [2019-11-07 00:31:47,364 INFO L226 Difference]: Without dead ends: 34 [2019-11-07 00:31:47,369 INFO L630 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 [2019-11-07 00:31:47,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-11-07 00:31:47,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2019-11-07 00:31:47,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-11-07 00:31:47,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2019-11-07 00:31:47,417 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 17 [2019-11-07 00:31:47,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:31:47,418 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2019-11-07 00:31:47,418 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 00:31:47,418 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2019-11-07 00:31:47,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-07 00:31:47,419 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:31:47,420 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:31:47,420 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:31:47,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:31:47,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1755402763, now seen corresponding path program 1 times [2019-11-07 00:31:47,437 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:31:47,437 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787095301] [2019-11-07 00:31:47,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:31:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:31:47,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:31:47,589 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787095301] [2019-11-07 00:31:47,590 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:31:47,590 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:31:47,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011279124] [2019-11-07 00:31:47,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:31:47,592 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:31:47,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:31:47,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:31:47,593 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand 6 states. [2019-11-07 00:31:47,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:31:47,751 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2019-11-07 00:31:47,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 00:31:47,752 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-07 00:31:47,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:31:47,753 INFO L225 Difference]: With dead ends: 46 [2019-11-07 00:31:47,753 INFO L226 Difference]: Without dead ends: 32 [2019-11-07 00:31:47,754 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:31:47,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-11-07 00:31:47,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-11-07 00:31:47,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-11-07 00:31:47,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2019-11-07 00:31:47,761 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 24 [2019-11-07 00:31:47,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:31:47,762 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2019-11-07 00:31:47,762 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:31:47,762 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2019-11-07 00:31:47,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-07 00:31:47,763 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:31:47,763 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:31:47,764 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:31:47,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:31:47,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1097743824, now seen corresponding path program 1 times [2019-11-07 00:31:47,764 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:31:47,765 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441179640] [2019-11-07 00:31:47,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:31:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:31:47,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:31:47,900 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441179640] [2019-11-07 00:31:47,900 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58375965] [2019-11-07 00:31:47,900 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 [2019-11-07 00:31:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:31:48,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-07 00:31:48,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 00:31:48,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 00:31:48,072 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 00:31:48,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 00:31:48,155 INFO L218 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-07 00:31:48,155 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [8] total 10 [2019-11-07 00:31:48,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539681056] [2019-11-07 00:31:48,156 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 00:31:48,156 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:31:48,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 00:31:48,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-07 00:31:48,157 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand 7 states. [2019-11-07 00:31:48,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:31:48,200 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions. [2019-11-07 00:31:48,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:31:48,202 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2019-11-07 00:31:48,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:31:48,203 INFO L225 Difference]: With dead ends: 56 [2019-11-07 00:31:48,203 INFO L226 Difference]: Without dead ends: 37 [2019-11-07 00:31:48,204 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-11-07 00:31:48,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-07 00:31:48,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 33. [2019-11-07 00:31:48,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-07 00:31:48,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2019-11-07 00:31:48,210 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 27 [2019-11-07 00:31:48,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:31:48,213 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2019-11-07 00:31:48,213 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 00:31:48,214 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2019-11-07 00:31:48,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-07 00:31:48,215 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:31:48,215 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:31:48,429 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:31:48,430 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:31:48,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:31:48,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1690382154, now seen corresponding path program 1 times [2019-11-07 00:31:48,431 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:31:48,431 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503945794] [2019-11-07 00:31:48,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:31:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:31:48,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 00:31:48,496 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503945794] [2019-11-07 00:31:48,496 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:31:48,496 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:31:48,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114289304] [2019-11-07 00:31:48,497 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:31:48,497 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:31:48,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:31:48,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:31:48,498 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand 3 states. [2019-11-07 00:31:48,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:31:48,522 INFO L93 Difference]: Finished difference Result 61 states and 68 transitions. [2019-11-07 00:31:48,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:31:48,523 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-11-07 00:31:48,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:31:48,524 INFO L225 Difference]: With dead ends: 61 [2019-11-07 00:31:48,524 INFO L226 Difference]: Without dead ends: 37 [2019-11-07 00:31:48,525 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:31:48,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-07 00:31:48,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2019-11-07 00:31:48,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-07 00:31:48,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2019-11-07 00:31:48,532 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 32 [2019-11-07 00:31:48,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:31:48,532 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2019-11-07 00:31:48,532 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:31:48,533 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2019-11-07 00:31:48,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-07 00:31:48,534 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:31:48,534 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:31:48,534 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:31:48,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:31:48,535 INFO L82 PathProgramCache]: Analyzing trace with hash 2113083980, now seen corresponding path program 1 times [2019-11-07 00:31:48,535 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:31:48,535 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298990060] [2019-11-07 00:31:48,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:31:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:31:48,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:31:48,659 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298990060] [2019-11-07 00:31:48,660 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467274647] [2019-11-07 00:31:48,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:31:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:31:48,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-07 00:31:48,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 00:31:48,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 00:31:48,843 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 00:31:48,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 00:31:48,941 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1250832555] [2019-11-07 00:31:48,948 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 33 [2019-11-07 00:31:49,002 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-07 00:31:49,002 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 00:31:49,083 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 00:31:49,085 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 21 root evaluator evaluations with a maximum evaluation depth of 0. Performed 21 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 26 variables. [2019-11-07 00:31:49,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:31:49,090 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-07 00:31:49,125 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes. [2019-11-07 00:31:49,125 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-07 00:31:49,127 INFO L553 sIntCurrentIteration]: We unified 31 AI predicates to 31 [2019-11-07 00:31:49,127 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-07 00:31:49,128 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 00:31:49,128 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9, 6, 6] total 11 [2019-11-07 00:31:49,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288057168] [2019-11-07 00:31:49,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 00:31:49,129 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:31:49,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 00:31:49,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-11-07 00:31:49,130 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand 2 states. [2019-11-07 00:31:49,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:31:49,132 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2019-11-07 00:31:49,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 00:31:49,132 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 32 [2019-11-07 00:31:49,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:31:49,133 INFO L225 Difference]: With dead ends: 36 [2019-11-07 00:31:49,133 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 00:31:49,134 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 60 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-11-07 00:31:49,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 00:31:49,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 00:31:49,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 00:31:49,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 00:31:49,135 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-11-07 00:31:49,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:31:49,135 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 00:31:49,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 00:31:49,135 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 00:31:49,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 00:31:49,338 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:31:49,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 00:31:49,464 INFO L443 ceAbstractionStarter]: For program point dll_remove_lastEXIT(lines 592 606) no Hoare annotation was computed. [2019-11-07 00:31:49,464 INFO L443 ceAbstractionStarter]: For program point L599-1(lines 599 602) no Hoare annotation was computed. [2019-11-07 00:31:49,464 INFO L439 ceAbstractionStarter]: At program point dll_remove_lastENTRY(lines 592 606) the Hoare annotation is: (or (not (= (select (select |old(#memory_$Pointer$.base)| |dll_remove_last_#in~head.base|) |dll_remove_last_#in~head.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |dll_remove_last_#in~head.base|) |dll_remove_last_#in~head.offset|) 0) (= (select (select |#memory_$Pointer$.base| |dll_remove_last_#in~head.base|) |dll_remove_last_#in~head.offset|) 0)) (not (= 0 (select (select |old(#memory_$Pointer$.offset)| |dll_remove_last_#in~head.base|) |dll_remove_last_#in~head.offset|)))) [2019-11-07 00:31:49,464 INFO L439 ceAbstractionStarter]: At program point L599-3(lines 599 602) the Hoare annotation is: (or (not (= (select (select |old(#memory_$Pointer$.base)| |dll_remove_last_#in~head.base|) |dll_remove_last_#in~head.offset|) 0)) (and (= dll_remove_last_~head.offset |dll_remove_last_#in~head.offset|) (= (select (select |#memory_$Pointer$.offset| |dll_remove_last_#in~head.base|) |dll_remove_last_#in~head.offset|) 0) (= |dll_remove_last_#in~head.base| dll_remove_last_~head.base) (= (select (select |#memory_$Pointer$.base| |dll_remove_last_#in~head.base|) |dll_remove_last_#in~head.offset|) 0)) (not (= 0 (select (select |old(#memory_$Pointer$.offset)| |dll_remove_last_#in~head.base|) |dll_remove_last_#in~head.offset|)))) [2019-11-07 00:31:49,465 INFO L443 ceAbstractionStarter]: For program point L599-4(lines 599 602) no Hoare annotation was computed. [2019-11-07 00:31:49,465 INFO L443 ceAbstractionStarter]: For program point L593(lines 593 605) no Hoare annotation was computed. [2019-11-07 00:31:49,465 INFO L443 ceAbstractionStarter]: For program point L593-2(lines 592 606) no Hoare annotation was computed. [2019-11-07 00:31:49,465 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:31:49,465 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-07 00:31:49,465 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:31:49,465 INFO L446 ceAbstractionStarter]: At program point myexitENTRY(lines 561 563) the Hoare annotation is: true [2019-11-07 00:31:49,466 INFO L443 ceAbstractionStarter]: For program point myexitEXIT(lines 561 563) no Hoare annotation was computed. [2019-11-07 00:31:49,466 INFO L446 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: true [2019-11-07 00:31:49,466 INFO L443 ceAbstractionStarter]: For program point L578-1(lines 578 580) no Hoare annotation was computed. [2019-11-07 00:31:49,466 INFO L446 ceAbstractionStarter]: At program point dll_createENTRY(lines 574 591) the Hoare annotation is: true [2019-11-07 00:31:49,466 INFO L446 ceAbstractionStarter]: At program point L576-2(lines 576 589) the Hoare annotation is: true [2019-11-07 00:31:49,466 INFO L443 ceAbstractionStarter]: For program point L576-3(lines 576 589) no Hoare annotation was computed. [2019-11-07 00:31:49,466 INFO L443 ceAbstractionStarter]: For program point dll_createFINAL(lines 574 591) no Hoare annotation was computed. [2019-11-07 00:31:49,467 INFO L446 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: true [2019-11-07 00:31:49,467 INFO L443 ceAbstractionStarter]: For program point dll_createEXIT(lines 574 591) no Hoare annotation was computed. [2019-11-07 00:31:49,467 INFO L443 ceAbstractionStarter]: For program point L584(lines 584 586) no Hoare annotation was computed. [2019-11-07 00:31:49,467 INFO L443 ceAbstractionStarter]: For program point L584-2(lines 584 586) no Hoare annotation was computed. [2019-11-07 00:31:49,467 INFO L443 ceAbstractionStarter]: For program point L578(lines 578 580) no Hoare annotation was computed. [2019-11-07 00:31:49,467 INFO L443 ceAbstractionStarter]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2019-11-07 00:31:49,467 INFO L443 ceAbstractionStarter]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2019-11-07 00:31:49,468 INFO L443 ceAbstractionStarter]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2019-11-07 00:31:49,468 INFO L443 ceAbstractionStarter]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2019-11-07 00:31:49,468 INFO L443 ceAbstractionStarter]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2019-11-07 00:31:49,468 INFO L443 ceAbstractionStarter]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2019-11-07 00:31:49,468 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:31:49,468 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-07 00:31:49,468 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 00:31:49,468 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:31:49,469 INFO L443 ceAbstractionStarter]: For program point L610-1(line 610) no Hoare annotation was computed. [2019-11-07 00:31:49,469 INFO L443 ceAbstractionStarter]: For program point L612-3(lines 612 614) no Hoare annotation was computed. [2019-11-07 00:31:49,469 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 607 621) the Hoare annotation is: true [2019-11-07 00:31:49,469 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2019-11-07 00:31:49,469 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 607 621) no Hoare annotation was computed. [2019-11-07 00:31:49,469 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 607 621) no Hoare annotation was computed. [2019-11-07 00:31:49,470 INFO L439 ceAbstractionStarter]: At program point L616(lines 607 621) the Hoare annotation is: false [2019-11-07 00:31:49,470 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 617) no Hoare annotation was computed. [2019-11-07 00:31:49,470 INFO L439 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (<= 2 main_~len~0)) [2019-11-07 00:31:49,470 INFO L443 ceAbstractionStarter]: For program point L613-1(lines 612 614) no Hoare annotation was computed. [2019-11-07 00:31:49,470 INFO L439 ceAbstractionStarter]: At program point L610(line 610) the Hoare annotation is: false [2019-11-07 00:31:49,470 INFO L439 ceAbstractionStarter]: At program point L612-2(lines 612 614) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (<= 2 main_~len~0)) [2019-11-07 00:31:49,471 INFO L443 ceAbstractionStarter]: For program point node_createENTRY(lines 564 573) no Hoare annotation was computed. [2019-11-07 00:31:49,471 INFO L443 ceAbstractionStarter]: For program point node_createFINAL(lines 564 573) no Hoare annotation was computed. [2019-11-07 00:31:49,471 INFO L443 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2019-11-07 00:31:49,471 INFO L443 ceAbstractionStarter]: For program point L566(lines 566 568) no Hoare annotation was computed. [2019-11-07 00:31:49,471 INFO L443 ceAbstractionStarter]: For program point node_createEXIT(lines 564 573) no Hoare annotation was computed. [2019-11-07 00:31:49,471 INFO L443 ceAbstractionStarter]: For program point L566-1(lines 566 568) no Hoare annotation was computed. [2019-11-07 00:31:49,480 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-07 00:31:49,481 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-07 00:31:49,482 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-07 00:31:49,482 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-07 00:31:49,483 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-07 00:31:49,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-07 00:31:49,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-07 00:31:49,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-07 00:31:49,489 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,489 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,489 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,495 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-07 00:31:49,495 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-07 00:31:49,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,497 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-07 00:31:49,498 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-07 00:31:49,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:31:49 BoogieIcfgContainer [2019-11-07 00:31:49,507 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 00:31:49,512 INFO L168 Benchmark]: Toolchain (without parser) took 4063.22 ms. Allocated memory was 144.7 MB in the beginning and 248.0 MB in the end (delta: 103.3 MB). Free memory was 101.0 MB in the beginning and 158.2 MB in the end (delta: -57.3 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. [2019-11-07 00:31:49,513 INFO L168 Benchmark]: CDTParser took 1.32 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 00:31:49,514 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.16 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 100.8 MB in the beginning and 165.6 MB in the end (delta: -64.8 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. [2019-11-07 00:31:49,514 INFO L168 Benchmark]: Boogie Preprocessor took 60.71 ms. Allocated memory is still 202.4 MB. Free memory was 165.6 MB in the beginning and 162.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-11-07 00:31:49,515 INFO L168 Benchmark]: RCFGBuilder took 770.92 ms. Allocated memory is still 202.4 MB. Free memory was 162.2 MB in the beginning and 114.8 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. [2019-11-07 00:31:49,516 INFO L168 Benchmark]: TraceAbstraction took 2555.98 ms. Allocated memory was 202.4 MB in the beginning and 248.0 MB in the end (delta: 45.6 MB). Free memory was 114.8 MB in the beginning and 158.2 MB in the end (delta: -43.5 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-11-07 00:31:49,520 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 671.16 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 100.8 MB in the beginning and 165.6 MB in the end (delta: -64.8 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.71 ms. Allocated memory is still 202.4 MB. Free memory was 165.6 MB in the beginning and 162.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 770.92 ms. Allocated memory is still 202.4 MB. Free memory was 162.2 MB in the beginning and 114.8 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2555.98 ms. Allocated memory was 202.4 MB in the beginning and 248.0 MB in the end (delta: 45.6 MB). Free memory was 114.8 MB in the beginning and 158.2 MB in the end (delta: -43.5 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 619]: 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: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 599]: Loop Invariant [2019-11-07 00:31:49,531 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-07 00:31:49,532 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-07 00:31:49,532 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-07 00:31:49,532 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-07 00:31:49,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,534 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-07 00:31:49,534 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-07 00:31:49,534 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-07 00:31:49,534 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-07 00:31:49,535 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,535 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,535 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,535 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (!(\old(#memory_$Pointer$)[head][head] == 0) || (((head == head && #memory_$Pointer$[head][head] == 0) && head == head) && #memory_$Pointer$[head][head] == 0)) || !(0 == \old(#memory_$Pointer$)[head][head]) - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 612]: Loop Invariant [2019-11-07 00:31:49,536 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-07 00:31:49,536 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-07 00:31:49,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,537 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,537 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-07 00:31:49,537 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-07 00:31:49,537 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-07 00:31:49,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (#memory_$Pointer$[s][s] == 0 && #memory_$Pointer$[s][s] == 0) && 2 <= len - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 51 locations, 1 error locations. Result: SAFE, OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 142 SDtfs, 46 SDslu, 302 SDs, 0 SdLazy, 92 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 117 SyntacticMatches, 5 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 23 PreInvPairs, 25 NumberOfFragments, 117 HoareAnnotationTreeSize, 23 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 241 ConstructedInterpolants, 0 QuantifiedInterpolants, 13565 SizeOfPredicates, 4 NumberOfNonLiveVariables, 306 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 7/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 142, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 0.967741935483871, AVG_VARS_REMOVED_DURING_WEAKENING: 1.4516129032258065, AVG_WEAKENED_CONJUNCTS: 0.1935483870967742, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...