/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-sets/test_add-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:31:10,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:31:10,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:31:10,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:31:10,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:31:10,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:31:10,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:31:10,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:31:10,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:31:10,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:31:10,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:31:10,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 22:31:10,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 22:31:10,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 22:31:10,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 22:31:10,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 22:31:10,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 22:31:10,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 22:31:10,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 22:31:10,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 22:31:10,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 22:31:10,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 22:31:10,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 22:31:10,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 22:31:10,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-06 22:31:10,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-06 22:31:10,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-06 22:31:10,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-06 22:31:10,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-06 22:31:10,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-06 22:31:10,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 22:31:10,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 22:31:10,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 22:31:10,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 22:31:10,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 22:31:10,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 22:31:10,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 22:31:10,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 22:31:10,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:31:10,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:31:10,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:31:10,420 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 [2020-11-06 22:31:10,472 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:31:10,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:31:10,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:31:10,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:31:10,477 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:31:10,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:31:10,477 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:31:10,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:31:10,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:31:10,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:31:10,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:31:10,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:31:10,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:31:10,480 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:31:10,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:31:10,480 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:31:10,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:31:10,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:31:10,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:31:10,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:31:10,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:31:10,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:31:10,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:31:10,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:31:10,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:31:10,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:31:10,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:31:10,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:31:10,482 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:31:10,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:31:10,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:31:10,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:31:10,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:31:10,931 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:31:10,932 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:31:10,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_add-1.i [2020-11-06 22:31:11,009 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02db41355/3b3e091157ca493190bb0c3bdf299194/FLAG78a9f0f04 [2020-11-06 22:31:11,750 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:31:11,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_add-1.i [2020-11-06 22:31:11,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02db41355/3b3e091157ca493190bb0c3bdf299194/FLAG78a9f0f04 [2020-11-06 22:31:11,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02db41355/3b3e091157ca493190bb0c3bdf299194 [2020-11-06 22:31:11,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:31:11,965 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:31:11,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:31:11,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:31:11,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:31:11,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:31:11" (1/1) ... [2020-11-06 22:31:11,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dcf7f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:11, skipping insertion in model container [2020-11-06 22:31:11,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:31:11" (1/1) ... [2020-11-06 22:31:11,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:31:12,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:31:12,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:31:12,344 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:31:12,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:31:12,489 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:31:12,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:12 WrapperNode [2020-11-06 22:31:12,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:31:12,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:31:12,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:31:12,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:31:12,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:12" (1/1) ... [2020-11-06 22:31:12,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:12" (1/1) ... [2020-11-06 22:31:12,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:12" (1/1) ... [2020-11-06 22:31:12,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:12" (1/1) ... [2020-11-06 22:31:12,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:12" (1/1) ... [2020-11-06 22:31:12,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:12" (1/1) ... [2020-11-06 22:31:12,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:12" (1/1) ... [2020-11-06 22:31:12,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:31:12,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:31:12,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:31:12,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:31:12,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:12" (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 [2020-11-06 22:31:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:31:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:31:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-06 22:31:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-06 22:31:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:31:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-06 22:31:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-11-06 22:31:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-11-06 22:31:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-11-06 22:31:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-11-06 22:31:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-11-06 22:31:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-11-06 22:31:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-11-06 22:31:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-11-06 22:31:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-11-06 22:31:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-11-06 22:31:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-11-06 22:31:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-11-06 22:31:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-11-06 22:31:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-11-06 22:31:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-11-06 22:31:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:31:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-06 22:31:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-06 22:31:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-06 22:31:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-06 22:31:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-06 22:31:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-06 22:31:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-06 22:31:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-06 22:31:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-06 22:31:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-06 22:31:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-06 22:31:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-06 22:31:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-06 22:31:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-06 22:31:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-06 22:31:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-06 22:31:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-06 22:31:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-06 22:31:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-06 22:31:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-06 22:31:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-06 22:31:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-06 22:31:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-06 22:31:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-06 22:31:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-06 22:31:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-06 22:31:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-06 22:31:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-06 22:31:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-06 22:31:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-06 22:31:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-06 22:31:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-06 22:31:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-06 22:31:12,667 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-06 22:31:12,667 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-06 22:31:12,667 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-06 22:31:12,667 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-06 22:31:12,667 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-06 22:31:12,667 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-06 22:31:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-06 22:31:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-06 22:31:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-06 22:31:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-06 22:31:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-06 22:31:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-06 22:31:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-06 22:31:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-06 22:31:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-06 22:31:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-06 22:31:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-06 22:31:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-06 22:31:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-06 22:31:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-06 22:31:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-06 22:31:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-06 22:31:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-06 22:31:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-11-06 22:31:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-06 22:31:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-06 22:31:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-06 22:31:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:31:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-06 22:31:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-06 22:31:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:31:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-06 22:31:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-06 22:31:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-06 22:31:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-06 22:31:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-06 22:31:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-06 22:31:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-06 22:31:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-06 22:31:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-06 22:31:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-06 22:31:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-06 22:31:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-06 22:31:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-06 22:31:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-06 22:31:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-06 22:31:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-06 22:31:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-06 22:31:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-06 22:31:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-06 22:31:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-06 22:31:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-06 22:31:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-06 22:31:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-06 22:31:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-06 22:31:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-06 22:31:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-06 22:31:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-06 22:31:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-06 22:31:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-06 22:31:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-06 22:31:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-06 22:31:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-06 22:31:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-06 22:31:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-06 22:31:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-06 22:31:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-06 22:31:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-06 22:31:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-06 22:31:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:31:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-11-06 22:31:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-11-06 22:31:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:31:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:31:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-06 22:31:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:31:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-11-06 22:31:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-06 22:31:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-11-06 22:31:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-11-06 22:31:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-06 22:31:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-11-06 22:31:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-11-06 22:31:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-11-06 22:31:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-06 22:31:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-11-06 22:31:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-11-06 22:31:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-11-06 22:31:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-11-06 22:31:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-11-06 22:31:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-11-06 22:31:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-11-06 22:31:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-11-06 22:31:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:31:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:31:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:31:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-11-06 22:31:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:31:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:31:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:31:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-06 22:31:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:31:13,382 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:31:13,382 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-11-06 22:31:13,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:31:13 BoogieIcfgContainer [2020-11-06 22:31:13,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:31:13,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:31:13,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:31:13,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:31:13,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:31:11" (1/3) ... [2020-11-06 22:31:13,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da3c1de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:31:13, skipping insertion in model container [2020-11-06 22:31:13,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:12" (2/3) ... [2020-11-06 22:31:13,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da3c1de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:31:13, skipping insertion in model container [2020-11-06 22:31:13,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:31:13" (3/3) ... [2020-11-06 22:31:13,392 INFO L111 eAbstractionObserver]: Analyzing ICFG test_add-1.i [2020-11-06 22:31:13,407 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:31:13,412 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:31:13,424 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:31:13,452 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:31:13,453 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:31:13,453 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:31:13,453 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:31:13,453 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:31:13,453 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:31:13,453 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:31:13,454 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:31:13,472 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-11-06 22:31:13,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-06 22:31:13,479 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:31:13,480 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:31:13,481 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:31:13,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:31:13,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1016243908, now seen corresponding path program 1 times [2020-11-06 22:31:13,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:31:13,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563597124] [2020-11-06 22:31:13,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:31:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:31:13,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:31:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:31:13,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 22:31:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:31:13,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 22:31:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:31:13,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-06 22:31:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:31:13,933 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 22:31:13,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563597124] [2020-11-06 22:31:13,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721797788] [2020-11-06 22:31:13,935 INFO L95 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 [2020-11-06 22:31:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:31:14,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-06 22:31:14,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:31:14,226 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:31:14,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:31:14,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2020-11-06 22:31:14,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851092405] [2020-11-06 22:31:14,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:31:14,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:31:14,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:31:14,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:31:14,259 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 4 states. [2020-11-06 22:31:14,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:31:14,349 INFO L93 Difference]: Finished difference Result 107 states and 127 transitions. [2020-11-06 22:31:14,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 22:31:14,351 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-11-06 22:31:14,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:31:14,362 INFO L225 Difference]: With dead ends: 107 [2020-11-06 22:31:14,362 INFO L226 Difference]: Without dead ends: 52 [2020-11-06 22:31:14,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:31:14,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-11-06 22:31:14,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-11-06 22:31:14,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-11-06 22:31:14,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2020-11-06 22:31:14,431 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 30 [2020-11-06 22:31:14,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:31:14,431 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2020-11-06 22:31:14,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:31:14,432 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2020-11-06 22:31:14,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-06 22:31:14,434 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:31:14,434 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:31:14,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2020-11-06 22:31:14,650 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:31:14,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:31:14,652 INFO L82 PathProgramCache]: Analyzing trace with hash -20648475, now seen corresponding path program 1 times [2020-11-06 22:31:14,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:31:14,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730214155] [2020-11-06 22:31:14,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:31:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:31:14,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:31:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:31:14,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 22:31:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:31:14,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 22:31:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:31:14,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-06 22:31:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:31:14,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-06 22:31:14,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730214155] [2020-11-06 22:31:14,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:31:14,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:31:14,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770994006] [2020-11-06 22:31:14,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-06 22:31:14,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:31:14,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-06 22:31:14,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:31:14,814 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand 6 states. [2020-11-06 22:31:15,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:31:15,187 INFO L93 Difference]: Finished difference Result 66 states and 71 transitions. [2020-11-06 22:31:15,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 22:31:15,187 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-11-06 22:31:15,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:31:15,189 INFO L225 Difference]: With dead ends: 66 [2020-11-06 22:31:15,189 INFO L226 Difference]: Without dead ends: 58 [2020-11-06 22:31:15,190 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:31:15,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-11-06 22:31:15,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 52. [2020-11-06 22:31:15,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-11-06 22:31:15,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 55 transitions. [2020-11-06 22:31:15,204 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 55 transitions. Word has length 30 [2020-11-06 22:31:15,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:31:15,204 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 55 transitions. [2020-11-06 22:31:15,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-06 22:31:15,204 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2020-11-06 22:31:15,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-06 22:31:15,205 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:31:15,206 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:31:15,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:31:15,209 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:31:15,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:31:15,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1344639438, now seen corresponding path program 1 times [2020-11-06 22:31:15,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:31:15,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164752556] [2020-11-06 22:31:15,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:31:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:31:15,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:31:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:31:15,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-11-06 22:31:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:31:15,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 22:31:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:31:15,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-06 22:31:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:31:15,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:31:15,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164752556] [2020-11-06 22:31:15,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:31:15,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-06 22:31:15,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472193452] [2020-11-06 22:31:15,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:31:15,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:31:15,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:31:15,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:31:15,512 INFO L87 Difference]: Start difference. First operand 52 states and 55 transitions. Second operand 8 states. [2020-11-06 22:31:16,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:31:16,337 INFO L93 Difference]: Finished difference Result 86 states and 93 transitions. [2020-11-06 22:31:16,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-06 22:31:16,338 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-11-06 22:31:16,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:31:16,339 INFO L225 Difference]: With dead ends: 86 [2020-11-06 22:31:16,340 INFO L226 Difference]: Without dead ends: 71 [2020-11-06 22:31:16,341 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2020-11-06 22:31:16,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-06 22:31:16,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 54. [2020-11-06 22:31:16,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-11-06 22:31:16,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2020-11-06 22:31:16,353 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 30 [2020-11-06 22:31:16,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:31:16,353 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2020-11-06 22:31:16,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:31:16,354 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2020-11-06 22:31:16,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-06 22:31:16,355 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:31:16,355 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:31:16,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 22:31:16,356 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:31:16,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:31:16,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1605817482, now seen corresponding path program 1 times [2020-11-06 22:31:16,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:31:16,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88284324] [2020-11-06 22:31:16,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:31:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 22:31:16,396 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 22:31:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 22:31:16,446 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 22:31:16,500 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-06 22:31:16,501 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-06 22:31:16,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 22:31:16,550 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 52 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-11-06 22:31:16,551 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 51 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-11-06 22:31:16,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:31:16 BoogieIcfgContainer [2020-11-06 22:31:16,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:31:16,575 INFO L168 Benchmark]: Toolchain (without parser) took 4613.34 ms. Allocated memory was 160.4 MB in the beginning and 209.7 MB in the end (delta: 49.3 MB). Free memory was 133.7 MB in the beginning and 187.8 MB in the end (delta: -54.1 MB). Peak memory consumption was 118.4 MB. Max. memory is 8.0 GB. [2020-11-06 22:31:16,575 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 160.4 MB. Free memory is still 133.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:31:16,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 524.42 ms. Allocated memory is still 160.4 MB. Free memory was 133.0 MB in the beginning and 107.4 MB in the end (delta: 25.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:31:16,577 INFO L168 Benchmark]: Boogie Preprocessor took 96.01 ms. Allocated memory is still 160.4 MB. Free memory was 107.4 MB in the beginning and 104.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:31:16,578 INFO L168 Benchmark]: RCFGBuilder took 795.50 ms. Allocated memory is still 160.4 MB. Free memory was 104.1 MB in the beginning and 126.0 MB in the end (delta: -21.8 MB). Peak memory consumption was 44.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:31:16,579 INFO L168 Benchmark]: TraceAbstraction took 3186.37 ms. Allocated memory was 160.4 MB in the beginning and 209.7 MB in the end (delta: 49.3 MB). Free memory was 126.0 MB in the beginning and 187.8 MB in the end (delta: -61.9 MB). Peak memory consumption was 110.0 MB. Max. memory is 8.0 GB. [2020-11-06 22:31:16,583 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 160.4 MB. Free memory is still 133.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 524.42 ms. Allocated memory is still 160.4 MB. Free memory was 133.0 MB in the beginning and 107.4 MB in the end (delta: 25.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 96.01 ms. Allocated memory is still 160.4 MB. Free memory was 107.4 MB in the beginning and 104.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 795.50 ms. Allocated memory is still 160.4 MB. Free memory was 104.1 MB in the beginning and 126.0 MB in the end (delta: -21.8 MB). Peak memory consumption was 44.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3186.37 ms. Allocated memory was 160.4 MB in the beginning and 209.7 MB in the end (delta: 49.3 MB). Free memory was 126.0 MB in the beginning and 187.8 MB in the end (delta: -61.9 MB). Peak memory consumption was 110.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 52 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 51 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 562]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L662] struct ldv_list_head s1 = { &(s1), &(s1) }; VAL [\old(s1)=null, \old(s1)=null, s1={3:0}] [L671] CALL foo() VAL [s1={3:0}] [L665] int j = __VERIFIER_nondet_int(); [L666] CALL ldv_set_add(j, &s1) VAL [\old(new)=0, s={3:0}, s1={3:0}] [L633] CALL, EXPR ldv_is_in_set(new, s) VAL [\old(e)=0, s={3:0}, s1={3:0}] [L651] struct ldv_list_element *m; [L652] EXPR (s)->next [L652] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L652] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [\old(e)=0, __mptr={3:0}, e=0, m={3:-4}, s={3:0}, s={3:0}, s1={3:0}] [L652] COND FALSE !(&m->list != (s)) VAL [\old(e)=0, __mptr={3:0}, e=0, m={3:-4}, s={3:0}, s={3:0}, s1={3:0}] [L657] return 0; VAL [\old(e)=0, \result=0, __mptr={3:0}, e=0, m={3:-4}, s={3:0}, s={3:0}, s1={3:0}] [L633] RET, EXPR ldv_is_in_set(new, s) VAL [\old(new)=0, ldv_is_in_set(new, s)=0, new=0, s={3:0}, s={3:0}, s1={3:0}] [L633] COND TRUE !ldv_is_in_set(new, s) [L634] struct ldv_list_element *le; VAL [\old(new)=0, new=0, s={3:0}, s={3:0}, s1={3:0}] [L635] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [\old(size)=12, s1={3:0}] [L576] void *ptr = malloc(size); VAL [\old(size)=12, malloc(size)={-1:0}, ptr={-1:0}, s1={3:0}, size=12] [L577] CALL assume_abort_if_not(ptr!=0) VAL [\old(cond)=1, s1={3:0}] [L565] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s1={3:0}] [L577] RET assume_abort_if_not(ptr!=0) VAL [\old(size)=12, malloc(size)={-1:0}, ptr={-1:0}, s1={3:0}, size=12] [L578] return ptr; VAL [\old(size)=12, \result={-1:0}, malloc(size)={-1:0}, ptr={-1:0}, s1={3:0}, size=12] [L635] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [\old(new)=0, ldv_successful_malloc(sizeof(struct ldv_list_element))={-1:0}, new=0, s={3:0}, s={3:0}, s1={3:0}] [L635] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L636] le->e = new VAL [\old(new)=0, le={-1:0}, new=0, s={3:0}, s={3:0}, s1={3:0}] [L637] CALL ldv_list_add(&le->list, s) VAL [head={3:0}, new={-1:4}, s1={3:0}] [L605] EXPR head->next VAL [head={3:0}, head={3:0}, head->next={3:0}, new={-1:4}, new={-1:4}, s1={3:0}] [L605] CALL __ldv_list_add(new, head, head->next) VAL [new={-1:4}, next={3:0}, prev={3:0}, s1={3:0}] [L593] next->prev = new [L594] new->next = next [L595] new->prev = prev [L596] prev->next = new VAL [new={-1:4}, new={-1:4}, next={3:0}, next={3:0}, prev={3:0}, prev={3:0}, s1={3:0}] [L605] RET __ldv_list_add(new, head, head->next) VAL [head={3:0}, head={3:0}, head->next={3:0}, new={-1:4}, new={-1:4}, s1={3:0}] [L637] RET ldv_list_add(&le->list, s) VAL [\old(new)=0, le={-1:0}, new=0, s={3:0}, s={3:0}, s1={3:0}] [L666] RET ldv_set_add(j, &s1) VAL [j=0, s1={3:0}] [L667] CALL ldv_is_in_set(j, &s1) VAL [\old(e)=0, s={3:0}, s1={3:0}] [L651] struct ldv_list_element *m; [L652] EXPR (s)->next [L652] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L652] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [\old(e)=0, __mptr={-1:4}, e=0, m={-1:0}, s={3:0}, s={3:0}, s1={3:0}] [L652] COND TRUE &m->list != (s) [L653] EXPR m->e VAL [\old(e)=0, __mptr={-1:4}, e=0, m={-1:0}, m->e=0, s={3:0}, s={3:0}, s1={3:0}] [L653] COND TRUE m->e == e [L654] return 1; VAL [\old(e)=0, \result=1, __mptr={-1:4}, e=0, m={-1:0}, s={3:0}, s={3:0}, s1={3:0}] [L667] RET ldv_is_in_set(j, &s1) VAL [j=0, ldv_is_in_set(j, &s1)=1, s1={3:0}] [L667] COND TRUE ldv_is_in_set(j, &s1) [L667] CALL reach_error() VAL [s1={3:0}] [L562] COND FALSE !(0) VAL [s1={3:0}] [L562] __assert_fail ("0", "model/ldv.h", 3, __extension__ __PRETTY_FUNCTION__) VAL [s1={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.0s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 137 SDtfs, 185 SDslu, 183 SDs, 0 SdLazy, 287 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred 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, 3 MinimizatonAttempts, 23 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 14877 SizeOfPredicates, 0 NumberOfNonLiveVariables, 201 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 17/19 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...