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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-simple/sll2c_insert_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 02:59:58,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:59:58,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:59:58,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:59:58,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:59:58,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:59:58,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:59:58,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:59:58,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:59:58,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:59:58,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:59:58,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:59:58,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:59:58,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:59:58,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:59:58,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:59:58,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:59:58,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:59:58,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:59:58,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:59:58,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:59:58,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:59:58,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:59:58,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:59:58,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:59:58,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:59:58,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:59:58,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:59:58,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:59:58,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:59:58,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:59:58,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:59:58,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:59:58,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:59:58,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:59:58,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:59:58,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:59:58,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:59:58,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:59:58,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:59:58,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:59:58,209 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 02:59:58,223 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:59:58,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:59:58,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:59:58,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:59:58,225 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:59:58,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:59:58,225 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:59:58,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:59:58,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:59:58,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:59:58,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:59:58,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:59:58,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:59:58,227 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:59:58,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:59:58,227 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:59:58,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:59:58,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:59:58,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:59:58,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:59:58,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:59:58,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:59:58,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:59:58,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:59:58,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:59:58,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:59:58,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:59:58,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:59:58,230 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 02:59:58,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:59:58,564 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:59:58,568 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:59:58,569 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:59:58,570 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:59:58,570 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_insert_equal.i [2019-10-15 02:59:58,635 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd34dc42c/75240e61a6e34162a48a5cafe79f52db/FLAG5779fe08d [2019-10-15 02:59:59,171 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:59:59,172 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_insert_equal.i [2019-10-15 02:59:59,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd34dc42c/75240e61a6e34162a48a5cafe79f52db/FLAG5779fe08d [2019-10-15 02:59:59,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd34dc42c/75240e61a6e34162a48a5cafe79f52db [2019-10-15 02:59:59,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:59:59,486 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:59:59,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:59:59,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:59:59,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:59:59,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:59:59" (1/1) ... [2019-10-15 02:59:59,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51638eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:59, skipping insertion in model container [2019-10-15 02:59:59,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:59:59" (1/1) ... [2019-10-15 02:59:59,503 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:59:59,550 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:59:59,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:59:59,993 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:00:00,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:00:00,127 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:00:00,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:00:00 WrapperNode [2019-10-15 03:00:00,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:00:00,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:00:00,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:00:00,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:00:00,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:00:00" (1/1) ... [2019-10-15 03:00:00,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:00:00" (1/1) ... [2019-10-15 03:00:00,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:00:00" (1/1) ... [2019-10-15 03:00:00,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:00:00" (1/1) ... [2019-10-15 03:00:00,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:00:00" (1/1) ... [2019-10-15 03:00:00,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:00:00" (1/1) ... [2019-10-15 03:00:00,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:00:00" (1/1) ... [2019-10-15 03:00:00,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:00:00,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:00:00,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:00:00,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:00:00,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:00:00" (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 03:00:00,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:00:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:00:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-15 03:00:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-15 03:00:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-15 03:00:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-10-15 03:00:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-10-15 03:00:00,253 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2019-10-15 03:00:00,253 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_insert [2019-10-15 03:00:00,253 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:00:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:00:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-15 03:00:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-15 03:00:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-15 03:00:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-15 03:00:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-15 03:00:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-15 03:00:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-15 03:00:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-15 03:00:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-15 03:00:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-15 03:00:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-15 03:00:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-15 03:00:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-15 03:00:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-15 03:00:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-15 03:00:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-15 03:00:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-15 03:00:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-15 03:00:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-15 03:00:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-15 03:00:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-15 03:00:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-15 03:00:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-15 03:00:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-15 03:00:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-15 03:00:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-15 03:00:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-15 03:00:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-15 03:00:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-15 03:00:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-15 03:00:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-15 03:00:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-15 03:00:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-15 03:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-15 03:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-15 03:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-15 03:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-15 03:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-15 03:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-15 03:00:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-15 03:00:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-15 03:00:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-15 03:00:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-15 03:00:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-15 03:00:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-15 03:00:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-15 03:00:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-15 03:00:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-15 03:00:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-15 03:00:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-15 03:00:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-15 03:00:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-15 03:00:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:00:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 03:00:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-15 03:00:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:00:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-15 03:00:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-15 03:00:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-15 03:00:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-15 03:00:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-15 03:00:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-15 03:00:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-15 03:00:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-15 03:00:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-15 03:00:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 03:00:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-15 03:00:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-15 03:00:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-15 03:00:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-15 03:00:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-15 03:00:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-15 03:00:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-15 03:00:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-15 03:00:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-15 03:00:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-15 03:00:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-15 03:00:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-15 03:00:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-15 03:00:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-15 03:00:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-15 03:00:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-15 03:00:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-15 03:00:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-15 03:00:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-15 03:00:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-15 03:00:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-15 03:00:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-15 03:00:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-15 03:00:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-15 03:00:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-15 03:00:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-15 03:00:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-15 03:00:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-15 03:00:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-15 03:00:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-15 03:00:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-15 03:00:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-15 03:00:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-15 03:00:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-15 03:00:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-15 03:00:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-15 03:00:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-15 03:00:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-15 03:00:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-15 03:00:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-15 03:00:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-10-15 03:00:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:00:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:00:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:00:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-10-15 03:00:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2019-10-15 03:00:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:00:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:00:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_insert [2019-10-15 03:00:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:00:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:00:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 03:00:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:00:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:00:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:00:00,662 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-15 03:00:01,249 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:00:01,249 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:00:01,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:00:01 BoogieIcfgContainer [2019-10-15 03:00:01,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:00:01,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:00:01,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:00:01,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:00:01,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:59:59" (1/3) ... [2019-10-15 03:00:01,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3f7211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:00:01, skipping insertion in model container [2019-10-15 03:00:01,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:00:00" (2/3) ... [2019-10-15 03:00:01,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3f7211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:00:01, skipping insertion in model container [2019-10-15 03:00:01,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:00:01" (3/3) ... [2019-10-15 03:00:01,261 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2c_insert_equal.i [2019-10-15 03:00:01,272 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:00:01,281 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:00:01,293 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:00:01,338 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:00:01,338 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:00:01,338 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:00:01,338 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:00:01,339 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:00:01,339 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:00:01,339 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:00:01,339 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:00:01,362 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2019-10-15 03:00:01,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-15 03:00:01,370 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:00:01,371 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1] [2019-10-15 03:00:01,373 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:00:01,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:00:01,379 INFO L82 PathProgramCache]: Analyzing trace with hash -694471384, now seen corresponding path program 1 times [2019-10-15 03:00:01,390 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:00:01,390 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926542315] [2019-10-15 03:00:01,390 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:00:01,390 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:00:01,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:00:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:00:01,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-15 03:00:01,674 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926542315] [2019-10-15 03:00:01,676 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:00:01,676 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:00:01,676 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312901086] [2019-10-15 03:00:01,681 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:00:01,682 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:00:01,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:00:01,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:00:01,696 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2019-10-15 03:00:01,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:00:01,728 INFO L93 Difference]: Finished difference Result 59 states and 71 transitions. [2019-10-15 03:00:01,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:00:01,729 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 30 [2019-10-15 03:00:01,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:00:01,742 INFO L225 Difference]: With dead ends: 59 [2019-10-15 03:00:01,743 INFO L226 Difference]: Without dead ends: 31 [2019-10-15 03:00:01,749 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 03:00:01,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-10-15 03:00:01,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-10-15 03:00:01,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-10-15 03:00:01,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2019-10-15 03:00:01,795 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 30 [2019-10-15 03:00:01,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:00:01,797 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2019-10-15 03:00:01,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:00:01,798 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2019-10-15 03:00:01,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-15 03:00:01,800 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:00:01,800 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1] [2019-10-15 03:00:01,800 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:00:01,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:00:01,801 INFO L82 PathProgramCache]: Analyzing trace with hash -694485303, now seen corresponding path program 1 times [2019-10-15 03:00:01,801 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:00:01,801 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570040779] [2019-10-15 03:00:01,802 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:00:01,802 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:00:01,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:00:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:00:02,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-15 03:00:02,028 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570040779] [2019-10-15 03:00:02,028 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:00:02,028 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 03:00:02,029 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247749720] [2019-10-15 03:00:02,032 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 03:00:02,033 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:00:02,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 03:00:02,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:00:02,034 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand 8 states. [2019-10-15 03:00:02,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:00:02,406 INFO L93 Difference]: Finished difference Result 55 states and 65 transitions. [2019-10-15 03:00:02,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:00:02,407 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2019-10-15 03:00:02,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:00:02,409 INFO L225 Difference]: With dead ends: 55 [2019-10-15 03:00:02,409 INFO L226 Difference]: Without dead ends: 35 [2019-10-15 03:00:02,411 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:00:02,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-10-15 03:00:02,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2019-10-15 03:00:02,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-15 03:00:02,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2019-10-15 03:00:02,429 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 30 [2019-10-15 03:00:02,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:00:02,430 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2019-10-15 03:00:02,430 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 03:00:02,431 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2019-10-15 03:00:02,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-15 03:00:02,433 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:00:02,434 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:00:02,434 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:00:02,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:00:02,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1500673692, now seen corresponding path program 1 times [2019-10-15 03:00:02,435 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:00:02,435 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709320060] [2019-10-15 03:00:02,435 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:00:02,435 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:00:02,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:00:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:00:03,943 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2019-10-15 03:00:04,378 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2019-10-15 03:00:04,631 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 55 [2019-10-15 03:00:04,884 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:00:04,885 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709320060] [2019-10-15 03:00:04,886 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165494598] [2019-10-15 03:00:04,886 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 03:00:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:00:05,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 124 conjunts are in the unsatisfiable core [2019-10-15 03:00:05,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:00:05,250 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-10-15 03:00:05,250 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 03:00:05,261 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 03:00:05,262 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-15 03:00:05,262 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-10-15 03:00:05,481 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-10-15 03:00:05,482 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 03:00:05,494 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 03:00:05,495 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-15 03:00:05,496 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:3 [2019-10-15 03:00:05,591 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-10-15 03:00:05,592 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 03:00:05,607 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 03:00:05,607 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-15 03:00:05,608 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:31 [2019-10-15 03:00:05,705 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 03:00:05,706 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-10-15 03:00:05,707 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 03:00:05,754 INFO L567 ElimStorePlain]: treesize reduction 14, result has 76.7 percent of original size [2019-10-15 03:00:05,754 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-15 03:00:05,754 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:46 [2019-10-15 03:00:05,846 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2019-10-15 03:00:05,846 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 03:00:05,866 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 03:00:05,867 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-15 03:00:05,867 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:42 [2019-10-15 03:00:05,959 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2019-10-15 03:00:05,960 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 03:00:05,985 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 03:00:05,987 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 03:00:05,987 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:57, output treesize:42 [2019-10-15 03:00:06,348 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-10-15 03:00:06,349 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 03:00:06,390 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 03:00:06,408 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-10-15 03:00:06,409 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-15 03:00:06,431 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 03:00:06,437 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2019-10-15 03:00:06,438 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 03:00:06,460 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 03:00:06,465 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-10-15 03:00:06,466 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-15 03:00:06,484 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 03:00:06,485 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-15 03:00:06,486 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:85, output treesize:13 [2019-10-15 03:00:06,588 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 03:00:06,606 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 03:00:06,607 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-10-15 03:00:06,608 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:83, output treesize:71 [2019-10-15 03:00:14,649 WARN L191 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 42 [2019-10-15 03:00:18,788 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 48 [2019-10-15 03:00:19,086 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 03:00:19,088 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 03:00:19,091 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 03:00:19,097 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 03:00:19,101 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 03:00:19,137 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_92|, |v_#memory_int_93|, |v_#memory_int_94|, v_prenex_6], 10=[|v_#memory_$Pointer$.offset_80|, |v_#memory_$Pointer$.base_80|, v_prenex_13, v_prenex_11], 25=[v_prenex_1, v_prenex_7]} [2019-10-15 03:00:19,176 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 03:00:26,070 WARN L191 SmtUtils]: Spent 6.89 s on a formula simplification. DAG size of input: 202 DAG size of output: 131 [2019-10-15 03:00:26,070 INFO L567 ElimStorePlain]: treesize reduction 1104, result has 37.2 percent of original size [2019-10-15 03:00:26,113 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 03:00:26,137 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 03:00:29,851 WARN L191 SmtUtils]: Spent 3.71 s on a formula simplification that was a NOOP. DAG size: 135 [2019-10-15 03:00:29,851 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 03:00:29,852 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_int_94| vanished before elimination [2019-10-15 03:00:29,852 INFO L464 ElimStorePlain]: Eliminatee v_prenex_6 vanished before elimination [2019-10-15 03:00:29,871 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 03:00:32,311 WARN L191 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 132 [2019-10-15 03:00:32,311 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 03:00:32,331 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 03:00:35,817 WARN L191 SmtUtils]: Spent 3.49 s on a formula simplification that was a NOOP. DAG size: 129 [2019-10-15 03:00:35,817 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 03:00:35,844 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 03:00:35,891 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 03:00:39,851 WARN L191 SmtUtils]: Spent 3.96 s on a formula simplification that was a NOOP. DAG size: 146 [2019-10-15 03:00:39,851 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 03:00:39,889 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 03:00:39,937 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 03:00:44,097 WARN L191 SmtUtils]: Spent 4.16 s on a formula simplification that was a NOOP. DAG size: 148 [2019-10-15 03:00:44,098 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 03:00:44,098 INFO L464 ElimStorePlain]: Eliminatee v_prenex_1 vanished before elimination [2019-10-15 03:00:44,098 INFO L464 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2019-10-15 03:00:44,101 INFO L496 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 10 dim-2 vars, End of recursive call: 28 dim-0 vars, and 3 xjuncts. [2019-10-15 03:00:44,102 INFO L221 ElimStorePlain]: Needed 10 recursive calls to eliminate 23 variables, input treesize:1748, output treesize:1343