java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/list-ext2-properties/simple_search_value-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:03:19,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:03:19,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:03:19,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:03:19,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:03:19,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:03:19,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:03:19,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:03:19,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:03:19,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:03:19,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:03:19,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:03:19,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:03:19,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:03:19,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:03:19,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:03:19,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:03:19,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:03:19,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:03:19,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:03:19,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:03:19,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:03:19,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:03:19,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:03:19,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:03:19,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:03:19,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:03:19,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:03:19,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:03:19,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:03:19,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:03:19,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:03:19,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:03:19,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:03:19,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:03:19,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:03:19,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:03:19,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:03:19,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:03:19,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:03:19,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:03:19,338 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:03:19,371 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:03:19,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:03:19,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:03:19,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:03:19,376 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:03:19,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:03:19,376 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:03:19,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:03:19,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:03:19,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:03:19,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:03:19,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:03:19,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:03:19,377 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:03:19,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:03:19,378 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:03:19,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:03:19,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:03:19,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:03:19,379 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:03:19,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:03:19,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:03:19,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:03:19,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:03:19,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:03:19,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:03:19,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:03:19,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:03:19,381 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:03:19,688 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:03:19,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:03:19,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:03:19,716 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:03:19,716 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:03:19,718 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_search_value-1.i [2019-10-15 01:03:19,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3442b338/1b10f9688d1942378c784fafbbe680da/FLAG04253e20f [2019-10-15 01:03:20,364 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:03:20,365 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_search_value-1.i [2019-10-15 01:03:20,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3442b338/1b10f9688d1942378c784fafbbe680da/FLAG04253e20f [2019-10-15 01:03:20,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3442b338/1b10f9688d1942378c784fafbbe680da [2019-10-15 01:03:20,646 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:03:20,647 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:03:20,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:03:20,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:03:20,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:03:20,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:03:20" (1/1) ... [2019-10-15 01:03:20,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a549884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:20, skipping insertion in model container [2019-10-15 01:03:20,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:03:20" (1/1) ... [2019-10-15 01:03:20,666 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:03:20,722 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:03:21,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:03:21,207 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:03:21,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:03:21,329 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:03:21,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:21 WrapperNode [2019-10-15 01:03:21,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:03:21,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:03:21,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:03:21,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:03:21,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:21" (1/1) ... [2019-10-15 01:03:21,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:21" (1/1) ... [2019-10-15 01:03:21,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:21" (1/1) ... [2019-10-15 01:03:21,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:21" (1/1) ... [2019-10-15 01:03:21,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:21" (1/1) ... [2019-10-15 01:03:21,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:21" (1/1) ... [2019-10-15 01:03:21,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:21" (1/1) ... [2019-10-15 01:03:21,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:03:21,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:03:21,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:03:21,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:03:21,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:03:21,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:03:21,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:03:21,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-15 01:03:21,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-15 01:03:21,455 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-15 01:03:21,455 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:03:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:03:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:03:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-15 01:03:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-15 01:03:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-15 01:03:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-15 01:03:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-15 01:03:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-15 01:03:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-15 01:03:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-15 01:03:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-15 01:03:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-15 01:03:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-15 01:03:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-15 01:03:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-15 01:03:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-15 01:03:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-15 01:03:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-15 01:03:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-15 01:03:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-15 01:03:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-15 01:03:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-15 01:03:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-15 01:03:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-15 01:03:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-15 01:03:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-15 01:03:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-15 01:03:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-15 01:03:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-15 01:03:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-15 01:03:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-15 01:03:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-15 01:03:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-15 01:03:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-15 01:03:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-15 01:03:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-15 01:03:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-15 01:03:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-15 01:03:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-15 01:03:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-15 01:03:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-15 01:03:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-15 01:03:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-15 01:03:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-15 01:03:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-15 01:03:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-15 01:03:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-15 01:03:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-15 01:03:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-15 01:03:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-15 01:03:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-15 01:03:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-15 01:03:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-15 01:03:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-15 01:03:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:03:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 01:03:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-15 01:03:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:03:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-15 01:03:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-15 01:03:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-15 01:03:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-15 01:03:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-15 01:03:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-15 01:03:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-15 01:03:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-15 01:03:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-15 01:03:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:03:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-15 01:03:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-15 01:03:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-15 01:03:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-15 01:03:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-15 01:03:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-15 01:03:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-15 01:03:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-15 01:03:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-15 01:03:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-15 01:03:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-15 01:03:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-15 01:03:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-15 01:03:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-15 01:03:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-15 01:03:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-15 01:03:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-15 01:03:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-15 01:03:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-15 01:03:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-15 01:03:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-15 01:03:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-15 01:03:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-15 01:03:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-15 01:03:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-15 01:03:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-15 01:03:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-15 01:03:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-15 01:03:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-15 01:03:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-15 01:03:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-15 01:03:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-15 01:03:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-15 01:03:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-15 01:03:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-15 01:03:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-15 01:03:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-15 01:03:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-15 01:03:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-15 01:03:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-15 01:03:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:03:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:03:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:03:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:03:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:03:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:03:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:03:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:03:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:03:21,864 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-15 01:03:22,020 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:03:22,021 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-15 01:03:22,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:03:22 BoogieIcfgContainer [2019-10-15 01:03:22,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:03:22,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:03:22,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:03:22,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:03:22,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:03:20" (1/3) ... [2019-10-15 01:03:22,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1605d67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:03:22, skipping insertion in model container [2019-10-15 01:03:22,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:21" (2/3) ... [2019-10-15 01:03:22,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1605d67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:03:22, skipping insertion in model container [2019-10-15 01:03:22,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:03:22" (3/3) ... [2019-10-15 01:03:22,032 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_search_value-1.i [2019-10-15 01:03:22,045 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:03:22,053 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:03:22,064 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:03:22,089 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:03:22,089 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:03:22,089 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:03:22,090 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:03:22,098 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:03:22,099 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:03:22,099 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:03:22,099 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:03:22,119 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2019-10-15 01:03:22,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-15 01:03:22,127 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:22,128 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:03:22,129 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:22,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:22,136 INFO L82 PathProgramCache]: Analyzing trace with hash -2052998842, now seen corresponding path program 1 times [2019-10-15 01:03:22,145 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:22,145 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876254136] [2019-10-15 01:03:22,146 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:22,146 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:22,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:22,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:03:22,336 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876254136] [2019-10-15 01:03:22,337 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:03:22,337 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:03:22,337 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576133252] [2019-10-15 01:03:22,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:03:22,344 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:22,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:03:22,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:03:22,361 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2019-10-15 01:03:22,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:22,381 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2019-10-15 01:03:22,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:03:22,383 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-10-15 01:03:22,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:22,392 INFO L225 Difference]: With dead ends: 45 [2019-10-15 01:03:22,392 INFO L226 Difference]: Without dead ends: 22 [2019-10-15 01:03:22,395 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:03:22,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-10-15 01:03:22,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-10-15 01:03:22,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-10-15 01:03:22,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2019-10-15 01:03:22,432 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 13 [2019-10-15 01:03:22,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:22,433 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-10-15 01:03:22,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:03:22,433 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2019-10-15 01:03:22,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-15 01:03:22,434 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:22,434 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:03:22,435 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:22,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:22,435 INFO L82 PathProgramCache]: Analyzing trace with hash 702499287, now seen corresponding path program 1 times [2019-10-15 01:03:22,436 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:22,436 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978962937] [2019-10-15 01:03:22,436 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:22,436 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:22,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:22,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:03:22,496 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978962937] [2019-10-15 01:03:22,496 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:03:22,496 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:03:22,497 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042528757] [2019-10-15 01:03:22,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:03:22,499 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:22,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:03:22,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:03:22,500 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 3 states. [2019-10-15 01:03:22,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:22,530 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2019-10-15 01:03:22,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:03:22,531 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2019-10-15 01:03:22,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:22,532 INFO L225 Difference]: With dead ends: 32 [2019-10-15 01:03:22,532 INFO L226 Difference]: Without dead ends: 23 [2019-10-15 01:03:22,533 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:03:22,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-10-15 01:03:22,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-10-15 01:03:22,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-10-15 01:03:22,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2019-10-15 01:03:22,539 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 15 [2019-10-15 01:03:22,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:22,540 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2019-10-15 01:03:22,540 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:03:22,540 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2019-10-15 01:03:22,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-15 01:03:22,541 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:22,541 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:03:22,541 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:22,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:22,542 INFO L82 PathProgramCache]: Analyzing trace with hash 759757589, now seen corresponding path program 1 times [2019-10-15 01:03:22,542 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:22,542 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893519806] [2019-10-15 01:03:22,542 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:22,543 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:22,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:22,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:03:22,612 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893519806] [2019-10-15 01:03:22,612 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:03:22,612 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:03:22,613 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971477985] [2019-10-15 01:03:22,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:03:22,614 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:22,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:03:22,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:03:22,614 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 4 states. [2019-10-15 01:03:22,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:22,693 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2019-10-15 01:03:22,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 01:03:22,694 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-10-15 01:03:22,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:22,695 INFO L225 Difference]: With dead ends: 43 [2019-10-15 01:03:22,695 INFO L226 Difference]: Without dead ends: 28 [2019-10-15 01:03:22,696 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:03:22,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-10-15 01:03:22,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2019-10-15 01:03:22,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-10-15 01:03:22,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2019-10-15 01:03:22,701 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 15 [2019-10-15 01:03:22,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:22,701 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2019-10-15 01:03:22,701 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:03:22,701 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2019-10-15 01:03:22,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-15 01:03:22,702 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:22,702 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:03:22,703 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:22,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:22,703 INFO L82 PathProgramCache]: Analyzing trace with hash 299645265, now seen corresponding path program 1 times [2019-10-15 01:03:22,703 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:22,703 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494274882] [2019-10-15 01:03:22,704 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:22,704 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:22,704 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:22,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:03:22,825 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494274882] [2019-10-15 01:03:22,825 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:03:22,826 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:03:22,826 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741470191] [2019-10-15 01:03:22,826 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:03:22,827 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:22,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:03:22,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:03:22,828 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 4 states. [2019-10-15 01:03:22,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:22,882 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2019-10-15 01:03:22,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:03:22,882 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-10-15 01:03:22,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:22,883 INFO L225 Difference]: With dead ends: 36 [2019-10-15 01:03:22,883 INFO L226 Difference]: Without dead ends: 33 [2019-10-15 01:03:22,884 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:03:22,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-15 01:03:22,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 26. [2019-10-15 01:03:22,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-10-15 01:03:22,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2019-10-15 01:03:22,889 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 20 [2019-10-15 01:03:22,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:22,890 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2019-10-15 01:03:22,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:03:22,890 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2019-10-15 01:03:22,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-15 01:03:22,891 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:22,891 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:03:22,891 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:22,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:22,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1130545059, now seen corresponding path program 1 times [2019-10-15 01:03:22,892 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:22,892 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025639333] [2019-10-15 01:03:22,892 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:22,893 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:22,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:22,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:03:22,985 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025639333] [2019-10-15 01:03:22,986 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:03:22,986 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:03:22,986 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022020037] [2019-10-15 01:03:22,987 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:03:22,987 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:22,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:03:22,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:03:22,988 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand 5 states. [2019-10-15 01:03:23,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:23,081 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2019-10-15 01:03:23,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 01:03:23,081 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-15 01:03:23,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:23,082 INFO L225 Difference]: With dead ends: 37 [2019-10-15 01:03:23,083 INFO L226 Difference]: Without dead ends: 29 [2019-10-15 01:03:23,084 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:03:23,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-10-15 01:03:23,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2019-10-15 01:03:23,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-10-15 01:03:23,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2019-10-15 01:03:23,093 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 25 [2019-10-15 01:03:23,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:23,094 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2019-10-15 01:03:23,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:03:23,094 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2019-10-15 01:03:23,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-15 01:03:23,096 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:23,096 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:03:23,096 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:23,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:23,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1128698017, now seen corresponding path program 1 times [2019-10-15 01:03:23,098 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:23,098 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924451166] [2019-10-15 01:03:23,098 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:23,098 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:23,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:23,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:03:23,209 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924451166] [2019-10-15 01:03:23,210 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201869663] [2019-10-15 01:03:23,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:03:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:23,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 01:03:23,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:03:23,412 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:03:23,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:03:23,421 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:03:23,430 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:03:23,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:03:23,476 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1846486382] [2019-10-15 01:03:23,483 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 26 [2019-10-15 01:03:23,520 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:03:23,521 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:03:23,585 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:03:23,587 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 19 root evaluator evaluations with a maximum evaluation depth of 0. Performed 19 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 38 variables. [2019-10-15 01:03:23,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:23,591 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:03:23,629 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes. [2019-10-15 01:03:23,629 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:03:23,632 INFO L553 sIntCurrentIteration]: We unified 24 AI predicates to 24 [2019-10-15 01:03:23,633 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:03:23,633 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:03:23,634 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5, 5] total 8 [2019-10-15 01:03:23,634 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459746596] [2019-10-15 01:03:23,635 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:03:23,635 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:23,636 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:03:23,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:03:23,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:03:23,636 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 2 states. [2019-10-15 01:03:23,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:23,638 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2019-10-15 01:03:23,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:03:23,639 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2019-10-15 01:03:23,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:23,639 INFO L225 Difference]: With dead ends: 28 [2019-10-15 01:03:23,639 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:03:23,640 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:03:23,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:03:23,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:03:23,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:03:23,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:03:23,641 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-10-15 01:03:23,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:23,641 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:03:23,642 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:03:23,642 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:03:23,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:03:23,847 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:03:23,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:03:23,876 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:03:23,876 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:03:23,876 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:03:23,876 INFO L446 ceAbstractionStarter]: At program point myexitENTRY(lines 529 531) the Hoare annotation is: true [2019-10-15 01:03:23,876 INFO L443 ceAbstractionStarter]: For program point myexitEXIT(lines 529 531) no Hoare annotation was computed. [2019-10-15 01:03:23,877 INFO L446 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: true [2019-10-15 01:03:23,877 INFO L443 ceAbstractionStarter]: For program point __bswap_32ENTRY(lines 175 179) no Hoare annotation was computed. [2019-10-15 01:03:23,877 INFO L443 ceAbstractionStarter]: For program point __bswap_32FINAL(lines 175 179) no Hoare annotation was computed. [2019-10-15 01:03:23,877 INFO L443 ceAbstractionStarter]: For program point __bswap_32EXIT(lines 175 179) no Hoare annotation was computed. [2019-10-15 01:03:23,877 INFO L443 ceAbstractionStarter]: For program point __bswap_64ENTRY(lines 180 184) no Hoare annotation was computed. [2019-10-15 01:03:23,877 INFO L443 ceAbstractionStarter]: For program point __bswap_64FINAL(lines 180 184) no Hoare annotation was computed. [2019-10-15 01:03:23,877 INFO L443 ceAbstractionStarter]: For program point __bswap_64EXIT(lines 180 184) no Hoare annotation was computed. [2019-10-15 01:03:23,877 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:03:23,877 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-15 01:03:23,877 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:03:23,878 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:03:23,878 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 536 568) no Hoare annotation was computed. [2019-10-15 01:03:23,878 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 564 566) no Hoare annotation was computed. [2019-10-15 01:03:23,878 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 558) no Hoare annotation was computed. [2019-10-15 01:03:23,878 INFO L443 ceAbstractionStarter]: For program point L556-2(lines 556 558) no Hoare annotation was computed. [2019-10-15 01:03:23,878 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-15 01:03:23,878 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-15 01:03:23,878 INFO L446 ceAbstractionStarter]: At program point L545-1(line 545) the Hoare annotation is: true [2019-10-15 01:03:23,879 INFO L443 ceAbstractionStarter]: For program point L545-3(line 545) no Hoare annotation was computed. [2019-10-15 01:03:23,879 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 565) no Hoare annotation was computed. [2019-10-15 01:03:23,879 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 536 568) no Hoare annotation was computed. [2019-10-15 01:03:23,879 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 536 568) the Hoare annotation is: true [2019-10-15 01:03:23,879 INFO L443 ceAbstractionStarter]: For program point L542-1(line 542) no Hoare annotation was computed. [2019-10-15 01:03:23,879 INFO L443 ceAbstractionStarter]: For program point L542-3(lines 542 549) no Hoare annotation was computed. [2019-10-15 01:03:23,879 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-15 01:03:23,880 INFO L446 ceAbstractionStarter]: At program point L538-1(line 538) the Hoare annotation is: true [2019-10-15 01:03:23,880 INFO L439 ceAbstractionStarter]: At program point L542-5(lines 542 549) the Hoare annotation is: false [2019-10-15 01:03:23,880 INFO L443 ceAbstractionStarter]: For program point L542-6(lines 542 549) no Hoare annotation was computed. [2019-10-15 01:03:23,880 INFO L443 ceAbstractionStarter]: For program point L538-3(line 538) no Hoare annotation was computed. [2019-10-15 01:03:23,880 INFO L443 ceAbstractionStarter]: For program point L559(lines 559 561) no Hoare annotation was computed. [2019-10-15 01:03:23,880 INFO L443 ceAbstractionStarter]: For program point L559-2(lines 559 561) no Hoare annotation was computed. [2019-10-15 01:03:23,880 INFO L439 ceAbstractionStarter]: At program point L555-2(lines 555 563) the Hoare annotation is: false [2019-10-15 01:03:23,880 INFO L443 ceAbstractionStarter]: For program point L555-3(lines 536 568) no Hoare annotation was computed. [2019-10-15 01:03:23,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:03:23 BoogieIcfgContainer [2019-10-15 01:03:23,890 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:03:23,892 INFO L168 Benchmark]: Toolchain (without parser) took 3244.28 ms. Allocated memory was 145.8 MB in the beginning and 236.5 MB in the end (delta: 90.7 MB). Free memory was 102.2 MB in the beginning and 119.5 MB in the end (delta: -17.2 MB). Peak memory consumption was 73.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:03:23,893 INFO L168 Benchmark]: CDTParser took 2.76 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 01:03:23,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.94 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 102.0 MB in the beginning and 169.7 MB in the end (delta: -67.7 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:03:23,895 INFO L168 Benchmark]: Boogie Preprocessor took 62.13 ms. Allocated memory is still 202.9 MB. Free memory was 169.7 MB in the beginning and 167.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:03:23,896 INFO L168 Benchmark]: RCFGBuilder took 629.86 ms. Allocated memory is still 202.9 MB. Free memory was 167.1 MB in the beginning and 125.5 MB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:03:23,897 INFO L168 Benchmark]: TraceAbstraction took 1865.68 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 124.9 MB in the beginning and 119.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:03:23,901 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.76 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 679.94 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 102.0 MB in the beginning and 169.7 MB in the end (delta: -67.7 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.13 ms. Allocated memory is still 202.9 MB. Free memory was 169.7 MB in the beginning and 167.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 629.86 ms. Allocated memory is still 202.9 MB. Free memory was 167.1 MB in the beginning and 125.5 MB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1865.68 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 124.9 MB in the beginning and 119.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 565]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 38 locations, 1 error locations. Result: SAFE, OverallTime: 1.7s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 128 SDtfs, 32 SDslu, 135 SDs, 0 SdLazy, 63 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred 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, 6 MinimizatonAttempts, 11 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 12 PreInvPairs, 12 NumberOfFragments, 10 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 5113 SizeOfPredicates, 1 NumberOfNonLiveVariables, 117 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 13/19 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 109, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 0.9583333333333334, AVG_VARS_REMOVED_DURING_WEAKENING: 1.2083333333333333, AVG_WEAKENED_CONJUNCTS: 0.25, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...