/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 -i ../../../trunk/examples/svcomp/list-properties/list_flag-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 12:01:44,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 12:01:44,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 12:01:44,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 12:01:44,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 12:01:44,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 12:01:44,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 12:01:44,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 12:01:44,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 12:01:44,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 12:01:44,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 12:01:44,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 12:01:44,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 12:01:44,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 12:01:44,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 12:01:44,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 12:01:44,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 12:01:44,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 12:01:44,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 12:01:44,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 12:01:44,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 12:01:44,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 12:01:44,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 12:01:44,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 12:01:44,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 12:01:44,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 12:01:44,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 12:01:44,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 12:01:44,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 12:01:44,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 12:01:44,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 12:01:44,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 12:01:44,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 12:01:44,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 12:01:44,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 12:01:44,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 12:01:44,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 12:01:44,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 12:01:44,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 12:01:44,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 12:01:44,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 12:01:44,110 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 [2020-07-17 12:01:44,125 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 12:01:44,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 12:01:44,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 12:01:44,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 12:01:44,127 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 12:01:44,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 12:01:44,127 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 12:01:44,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 12:01:44,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 12:01:44,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 12:01:44,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 12:01:44,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 12:01:44,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 12:01:44,129 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 12:01:44,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 12:01:44,129 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 12:01:44,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 12:01:44,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 12:01:44,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 12:01:44,130 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 12:01:44,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 12:01:44,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:01:44,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 12:01:44,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 12:01:44,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 12:01:44,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 12:01:44,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 12:01:44,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 12:01:44,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 12:01:44,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 12:01:44,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 12:01:44,500 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 12:01:44,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 12:01:44,505 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 12:01:44,505 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 12:01:44,506 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/list_flag-1.i [2020-07-17 12:01:44,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5df943805/f9b76313c09441ff94b628ad02b91143/FLAGc224bb077 [2020-07-17 12:01:45,158 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 12:01:45,160 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-properties/list_flag-1.i [2020-07-17 12:01:45,181 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5df943805/f9b76313c09441ff94b628ad02b91143/FLAGc224bb077 [2020-07-17 12:01:45,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5df943805/f9b76313c09441ff94b628ad02b91143 [2020-07-17 12:01:45,428 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 12:01:45,431 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 12:01:45,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 12:01:45,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 12:01:45,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 12:01:45,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:01:45" (1/1) ... [2020-07-17 12:01:45,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ce14e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:45, skipping insertion in model container [2020-07-17 12:01:45,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:01:45" (1/1) ... [2020-07-17 12:01:45,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 12:01:45,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 12:01:46,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:01:46,018 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 12:01:46,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:01:46,113 INFO L208 MainTranslator]: Completed translation [2020-07-17 12:01:46,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:46 WrapperNode [2020-07-17 12:01:46,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 12:01:46,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 12:01:46,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 12:01:46,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 12:01:46,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:46" (1/1) ... [2020-07-17 12:01:46,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:46" (1/1) ... [2020-07-17 12:01:46,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:46" (1/1) ... [2020-07-17 12:01:46,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:46" (1/1) ... [2020-07-17 12:01:46,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:46" (1/1) ... [2020-07-17 12:01:46,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:46" (1/1) ... [2020-07-17 12:01:46,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:46" (1/1) ... [2020-07-17 12:01:46,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 12:01:46,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 12:01:46,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 12:01:46,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 12:01:46,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:46" (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 [2020-07-17 12:01:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 12:01:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 12:01:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-17 12:01:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-17 12:01:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-07-17 12:01:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-07-17 12:01:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-07-17 12:01:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-07-17 12:01:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 12:01:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 12:01:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 12:01:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-17 12:01:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-17 12:01:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-17 12:01:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-17 12:01:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-17 12:01:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-17 12:01:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-17 12:01:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-17 12:01:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-17 12:01:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-17 12:01:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-17 12:01:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-17 12:01:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-17 12:01:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-17 12:01:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-17 12:01:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-17 12:01:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-17 12:01:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-17 12:01:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-07-17 12:01:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-07-17 12:01:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-07-17 12:01:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-17 12:01:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-17 12:01:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-17 12:01:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-17 12:01:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-17 12:01:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-17 12:01:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-17 12:01:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-17 12:01:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-17 12:01:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-17 12:01:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-17 12:01:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-17 12:01:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-17 12:01:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-17 12:01:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-17 12:01:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-17 12:01:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-17 12:01:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-17 12:01:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-17 12:01:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-17 12:01:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-17 12:01:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-17 12:01:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-17 12:01:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-17 12:01:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-17 12:01:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-17 12:01:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-17 12:01:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-17 12:01:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-17 12:01:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-17 12:01:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-17 12:01:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-17 12:01:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-17 12:01:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-17 12:01:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 12:01:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-17 12:01:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-17 12:01:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 12:01:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-17 12:01:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-17 12:01:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-17 12:01:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-17 12:01:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-17 12:01:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-17 12:01:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-17 12:01:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-17 12:01:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 12:01:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-17 12:01:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-17 12:01:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-17 12:01:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-17 12:01:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-17 12:01:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-17 12:01:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-17 12:01:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-17 12:01:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-17 12:01:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-17 12:01:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-17 12:01:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-17 12:01:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-17 12:01:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-17 12:01:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-17 12:01:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-17 12:01:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-17 12:01:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-17 12:01:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-17 12:01:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-17 12:01:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-17 12:01:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-17 12:01:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-17 12:01:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-17 12:01:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-17 12:01:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-17 12:01:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-17 12:01:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-17 12:01:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-17 12:01:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-17 12:01:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-17 12:01:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-17 12:01:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-17 12:01:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-17 12:01:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-17 12:01:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-17 12:01:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-17 12:01:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-17 12:01:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-17 12:01:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-07-17 12:01:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 12:01:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 12:01:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 12:01:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 12:01:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 12:01:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 12:01:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 12:01:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 12:01:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 12:01:46,659 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-07-17 12:01:46,843 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 12:01:46,843 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-07-17 12:01:46,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:01:46 BoogieIcfgContainer [2020-07-17 12:01:46,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 12:01:46,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 12:01:46,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 12:01:46,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 12:01:46,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 12:01:45" (1/3) ... [2020-07-17 12:01:46,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65949b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:01:46, skipping insertion in model container [2020-07-17 12:01:46,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:01:46" (2/3) ... [2020-07-17 12:01:46,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65949b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:01:46, skipping insertion in model container [2020-07-17 12:01:46,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:01:46" (3/3) ... [2020-07-17 12:01:46,857 INFO L109 eAbstractionObserver]: Analyzing ICFG list_flag-1.i [2020-07-17 12:01:46,869 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 12:01:46,878 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 12:01:46,893 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 12:01:46,918 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 12:01:46,918 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 12:01:46,918 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 12:01:46,919 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 12:01:46,919 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 12:01:46,919 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 12:01:46,919 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 12:01:46,919 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 12:01:46,939 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-07-17 12:01:46,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-17 12:01:46,946 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:46,947 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:01:46,947 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:46,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:46,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1184417696, now seen corresponding path program 1 times [2020-07-17 12:01:46,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:46,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350914225] [2020-07-17 12:01:46,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:47,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:01:47,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350914225] [2020-07-17 12:01:47,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:47,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 12:01:47,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553911469] [2020-07-17 12:01:47,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:01:47,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:47,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:01:47,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 12:01:47,183 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 3 states. [2020-07-17 12:01:47,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:47,299 INFO L93 Difference]: Finished difference Result 46 states and 61 transitions. [2020-07-17 12:01:47,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:01:47,301 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-07-17 12:01:47,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:47,311 INFO L225 Difference]: With dead ends: 46 [2020-07-17 12:01:47,311 INFO L226 Difference]: Without dead ends: 24 [2020-07-17 12:01:47,315 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 12:01:47,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-07-17 12:01:47,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-07-17 12:01:47,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-07-17 12:01:47,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2020-07-17 12:01:47,361 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 15 [2020-07-17 12:01:47,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:47,361 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2020-07-17 12:01:47,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:01:47,362 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2020-07-17 12:01:47,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-17 12:01:47,363 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:47,363 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:01:47,364 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 12:01:47,364 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:47,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:47,365 INFO L82 PathProgramCache]: Analyzing trace with hash -218242506, now seen corresponding path program 1 times [2020-07-17 12:01:47,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:47,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639405738] [2020-07-17 12:01:47,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:47,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:01:47,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639405738] [2020-07-17 12:01:47,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:47,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 12:01:47,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613263467] [2020-07-17 12:01:47,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 12:01:47,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:47,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 12:01:47,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:01:47,543 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 6 states. [2020-07-17 12:01:47,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:47,696 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2020-07-17 12:01:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 12:01:47,696 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-07-17 12:01:47,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:47,698 INFO L225 Difference]: With dead ends: 48 [2020-07-17 12:01:47,698 INFO L226 Difference]: Without dead ends: 44 [2020-07-17 12:01:47,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:01:47,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-07-17 12:01:47,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 32. [2020-07-17 12:01:47,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-07-17 12:01:47,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2020-07-17 12:01:47,708 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 17 [2020-07-17 12:01:47,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:47,708 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2020-07-17 12:01:47,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 12:01:47,709 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2020-07-17 12:01:47,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-17 12:01:47,710 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:47,710 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:01:47,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 12:01:47,710 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:47,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:47,711 INFO L82 PathProgramCache]: Analyzing trace with hash 771025649, now seen corresponding path program 1 times [2020-07-17 12:01:47,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:47,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018231921] [2020-07-17 12:01:47,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:47,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:01:47,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018231921] [2020-07-17 12:01:47,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:47,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 12:01:47,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315664260] [2020-07-17 12:01:47,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 12:01:47,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:47,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 12:01:47,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:01:47,836 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand 6 states. [2020-07-17 12:01:47,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:47,950 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2020-07-17 12:01:47,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 12:01:47,951 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-07-17 12:01:47,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:47,952 INFO L225 Difference]: With dead ends: 50 [2020-07-17 12:01:47,952 INFO L226 Difference]: Without dead ends: 42 [2020-07-17 12:01:47,953 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:01:47,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-07-17 12:01:47,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 30. [2020-07-17 12:01:47,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-17 12:01:47,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2020-07-17 12:01:47,959 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 19 [2020-07-17 12:01:47,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:47,960 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2020-07-17 12:01:47,960 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 12:01:47,960 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2020-07-17 12:01:47,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-17 12:01:47,961 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:47,961 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:01:47,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 12:01:47,962 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:47,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:47,962 INFO L82 PathProgramCache]: Analyzing trace with hash -472715872, now seen corresponding path program 1 times [2020-07-17 12:01:47,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:47,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286042116] [2020-07-17 12:01:47,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:01:48,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286042116] [2020-07-17 12:01:48,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:48,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 12:01:48,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117359263] [2020-07-17 12:01:48,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 12:01:48,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:48,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 12:01:48,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:01:48,036 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand 6 states. [2020-07-17 12:01:48,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:48,139 INFO L93 Difference]: Finished difference Result 48 states and 55 transitions. [2020-07-17 12:01:48,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 12:01:48,139 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-07-17 12:01:48,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:48,140 INFO L225 Difference]: With dead ends: 48 [2020-07-17 12:01:48,140 INFO L226 Difference]: Without dead ends: 38 [2020-07-17 12:01:48,141 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:01:48,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-07-17 12:01:48,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 26. [2020-07-17 12:01:48,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-07-17 12:01:48,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2020-07-17 12:01:48,147 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 19 [2020-07-17 12:01:48,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:48,147 INFO L479 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2020-07-17 12:01:48,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 12:01:48,147 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2020-07-17 12:01:48,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-17 12:01:48,148 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:48,149 INFO L422 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] [2020-07-17 12:01:48,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 12:01:48,149 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:48,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:48,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1962636917, now seen corresponding path program 1 times [2020-07-17 12:01:48,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:48,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150003544] [2020-07-17 12:01:48,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:01:48,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:01:48,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150003544] [2020-07-17 12:01:48,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:01:48,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 12:01:48,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347734312] [2020-07-17 12:01:48,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 12:01:48,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:01:48,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 12:01:48,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 12:01:48,210 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand 4 states. [2020-07-17 12:01:48,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:01:48,268 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2020-07-17 12:01:48,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 12:01:48,268 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-07-17 12:01:48,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:01:48,269 INFO L225 Difference]: With dead ends: 54 [2020-07-17 12:01:48,269 INFO L226 Difference]: Without dead ends: 38 [2020-07-17 12:01:48,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 12:01:48,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-07-17 12:01:48,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 34. [2020-07-17 12:01:48,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-07-17 12:01:48,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2020-07-17 12:01:48,276 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 23 [2020-07-17 12:01:48,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:01:48,276 INFO L479 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2020-07-17 12:01:48,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 12:01:48,277 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2020-07-17 12:01:48,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-17 12:01:48,277 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:01:48,278 INFO L422 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] [2020-07-17 12:01:48,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 12:01:48,278 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:01:48,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:01:48,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1888593434, now seen corresponding path program 1 times [2020-07-17 12:01:48,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:01:48,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941172222] [2020-07-17 12:01:48,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:01:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 12:01:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 12:01:48,358 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 12:01:48,359 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 12:01:48,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 12:01:48,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 12:01:48 BoogieIcfgContainer [2020-07-17 12:01:48,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 12:01:48,432 INFO L168 Benchmark]: Toolchain (without parser) took 2998.31 ms. Allocated memory was 143.1 MB in the beginning and 228.1 MB in the end (delta: 84.9 MB). Free memory was 99.7 MB in the beginning and 103.9 MB in the end (delta: -4.2 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. [2020-07-17 12:01:48,434 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 143.1 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 12:01:48,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.41 ms. Allocated memory was 143.1 MB in the beginning and 198.2 MB in the end (delta: 55.1 MB). Free memory was 99.5 MB in the beginning and 164.2 MB in the end (delta: -64.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2020-07-17 12:01:48,440 INFO L168 Benchmark]: Boogie Preprocessor took 65.90 ms. Allocated memory is still 198.2 MB. Free memory was 164.2 MB in the beginning and 161.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-07-17 12:01:48,441 INFO L168 Benchmark]: RCFGBuilder took 666.89 ms. Allocated memory is still 198.2 MB. Free memory was 161.5 MB in the beginning and 117.4 MB in the end (delta: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 7.1 GB. [2020-07-17 12:01:48,444 INFO L168 Benchmark]: TraceAbstraction took 1577.34 ms. Allocated memory was 198.2 MB in the beginning and 228.1 MB in the end (delta: 29.9 MB). Free memory was 116.7 MB in the beginning and 103.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 42.6 MB. Max. memory is 7.1 GB. [2020-07-17 12:01:48,453 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 143.1 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 680.41 ms. Allocated memory was 143.1 MB in the beginning and 198.2 MB in the end (delta: 55.1 MB). Free memory was 99.5 MB in the beginning and 164.2 MB in the end (delta: -64.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.90 ms. Allocated memory is still 198.2 MB. Free memory was 164.2 MB in the beginning and 161.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 666.89 ms. Allocated memory is still 198.2 MB. Free memory was 161.5 MB in the beginning and 117.4 MB in the end (delta: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1577.34 ms. Allocated memory was 198.2 MB in the beginning and 228.1 MB in the end (delta: 29.9 MB). Free memory was 116.7 MB in the beginning and 103.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 42.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 546]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L521] int flag = __VERIFIER_nondet_int(); [L522] List p, a, t; [L523] a = (List) malloc(sizeof(struct node)) VAL [a={-2:0}, flag=-1, malloc(sizeof(struct node))={-2:0}] [L524] COND FALSE !(a == 0) VAL [a={-2:0}, flag=-1, malloc(sizeof(struct node))={-2:0}] [L525] p = a VAL [a={-2:0}, flag=-1, malloc(sizeof(struct node))={-2:0}, p={-2:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] COND TRUE \read(flag) [L528] p->h = 1 VAL [a={-2:0}, flag=-1, malloc(sizeof(struct node))={-2:0}, p={-2:0}] [L532] t = (List) malloc(sizeof(struct node)) VAL [a={-2:0}, flag=-1, malloc(sizeof(struct node))={-3:0}, malloc(sizeof(struct node))={-2:0}, p={-2:0}, t={-3:0}] [L533] COND FALSE !(t == 0) VAL [a={-2:0}, flag=-1, malloc(sizeof(struct node))={-3:0}, malloc(sizeof(struct node))={-2:0}, p={-2:0}, t={-3:0}] [L534] p->n = t [L535] EXPR p->n [L535] p = p->n [L526] COND FALSE !(__VERIFIER_nondet_int()) [L537] p->h = 3 [L538] p = a VAL [a={-2:0}, flag=-1, malloc(sizeof(struct node))={-3:0}, malloc(sizeof(struct node))={-2:0}, p={-2:0}, t={-3:0}] [L539] COND TRUE \read(flag) VAL [a={-2:0}, flag=-1, malloc(sizeof(struct node))={-3:0}, malloc(sizeof(struct node))={-2:0}, p={-2:0}, t={-3:0}] [L540] EXPR p->h VAL [a={-2:0}, flag=-1, malloc(sizeof(struct node))={-3:0}, malloc(sizeof(struct node))={-2:0}, p={-2:0}, p->h=1, t={-3:0}] [L540] COND FALSE !(p->h == 2) [L545] EXPR p->h VAL [a={-2:0}, flag=-1, malloc(sizeof(struct node))={-3:0}, malloc(sizeof(struct node))={-2:0}, p={-2:0}, p->h=1, t={-3:0}] [L545] COND TRUE p->h != 3 [L546] __VERIFIER_error() VAL [a={-2:0}, flag=-1, malloc(sizeof(struct node))={-3:0}, malloc(sizeof(struct node))={-2:0}, p={-2:0}, t={-3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 120 SDtfs, 73 SDslu, 178 SDs, 0 SdLazy, 288 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=5, 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, 40 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 4694 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...