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-ext2-properties/list_and_tree_cnstr-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:55:29,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:55:29,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:55:29,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:55:29,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:55:29,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:55:29,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:55:29,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:55:29,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:55:29,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:55:29,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:55:29,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:55:29,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:55:29,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:55:29,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:55:29,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:55:29,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:55:29,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:55:29,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:55:29,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:55:29,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:55:29,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:55:29,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:55:29,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:55:29,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:55:29,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:55:29,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:55:29,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:55:29,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:55:29,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:55:29,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:55:29,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:55:29,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:55:29,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:55:29,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:55:29,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:55:29,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:55:29,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:55:29,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:55:29,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:55:29,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:55:29,149 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 [2019-10-13 22:55:29,163 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:55:29,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:55:29,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:55:29,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:55:29,166 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:55:29,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:55:29,166 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:55:29,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:55:29,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:55:29,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:55:29,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:55:29,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:55:29,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:55:29,168 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:55:29,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:55:29,168 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:55:29,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:55:29,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:55:29,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:55:29,169 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:55:29,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:55:29,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:55:29,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:55:29,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:55:29,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:55:29,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:55:29,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:55:29,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:55:29,171 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 [2019-10-13 22:55:29,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:55:29,492 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:55:29,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:55:29,498 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:55:29,499 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:55:29,500 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/list_and_tree_cnstr-2.i [2019-10-13 22:55:29,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1653a32b/e53254db06c04ca78a3efb58f1f652a2/FLAGadb55d4e2 [2019-10-13 22:55:30,178 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:55:30,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/list_and_tree_cnstr-2.i [2019-10-13 22:55:30,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1653a32b/e53254db06c04ca78a3efb58f1f652a2/FLAGadb55d4e2 [2019-10-13 22:55:30,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1653a32b/e53254db06c04ca78a3efb58f1f652a2 [2019-10-13 22:55:30,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:55:30,489 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:55:30,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:55:30,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:55:30,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:55:30,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:55:30" (1/1) ... [2019-10-13 22:55:30,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19921db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:30, skipping insertion in model container [2019-10-13 22:55:30,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:55:30" (1/1) ... [2019-10-13 22:55:30,507 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:55:30,569 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:55:31,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:55:31,021 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:55:31,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:55:31,149 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:55:31,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:31 WrapperNode [2019-10-13 22:55:31,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:55:31,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:55:31,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:55:31,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:55:31,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:31" (1/1) ... [2019-10-13 22:55:31,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:31" (1/1) ... [2019-10-13 22:55:31,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:31" (1/1) ... [2019-10-13 22:55:31,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:31" (1/1) ... [2019-10-13 22:55:31,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:31" (1/1) ... [2019-10-13 22:55:31,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:31" (1/1) ... [2019-10-13 22:55:31,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:31" (1/1) ... [2019-10-13 22:55:31,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:55:31,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:55:31,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:55:31,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:55:31,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:31" (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 [2019-10-13 22:55:31,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:55:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:55:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-13 22:55:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-13 22:55:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-13 22:55:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:55:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:55:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:55:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-13 22:55:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-13 22:55:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-13 22:55:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-13 22:55:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-13 22:55:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-13 22:55:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-13 22:55:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-13 22:55:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-13 22:55:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-13 22:55:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-13 22:55:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-13 22:55:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-13 22:55:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-13 22:55:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-13 22:55:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-13 22:55:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-13 22:55:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-13 22:55:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-13 22:55:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-13 22:55:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-13 22:55:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-13 22:55:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-13 22:55:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-13 22:55:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-13 22:55:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-13 22:55:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-13 22:55:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-13 22:55:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-13 22:55:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-13 22:55:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-13 22:55:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-13 22:55:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-13 22:55:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-13 22:55:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-13 22:55:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-13 22:55:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-13 22:55:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-13 22:55:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-13 22:55:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-13 22:55:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-13 22:55:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-13 22:55:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-13 22:55:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-13 22:55:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-13 22:55:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-13 22:55:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-13 22:55:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-13 22:55:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-13 22:55:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-13 22:55:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-13 22:55:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-13 22:55:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:55:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:55:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-13 22:55:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:55:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-13 22:55:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-13 22:55:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-13 22:55:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-13 22:55:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-13 22:55:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-13 22:55:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-13 22:55:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-13 22:55:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-13 22:55:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 22:55:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-13 22:55:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-13 22:55:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-13 22:55:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-13 22:55:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-13 22:55:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-13 22:55:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-13 22:55:31,327 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-13 22:55:31,327 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-13 22:55:31,327 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-13 22:55:31,327 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-13 22:55:31,327 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-13 22:55:31,327 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-13 22:55:31,328 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-13 22:55:31,328 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-13 22:55:31,328 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-13 22:55:31,328 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-13 22:55:31,328 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-13 22:55:31,328 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-13 22:55:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-13 22:55:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-13 22:55:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-13 22:55:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-13 22:55:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-13 22:55:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-13 22:55:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-13 22:55:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-13 22:55:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-13 22:55:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-13 22:55:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-13 22:55:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-13 22:55:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-13 22:55:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-13 22:55:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-13 22:55:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-13 22:55:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-13 22:55:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-13 22:55:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-13 22:55:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-13 22:55:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-13 22:55:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:55:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:55:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:55:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:55:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:55:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:55:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:55:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:55:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:55:31,732 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-13 22:55:33,136 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:55:33,137 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-13 22:55:33,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:55:33 BoogieIcfgContainer [2019-10-13 22:55:33,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:55:33,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:55:33,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:55:33,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:55:33,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:55:30" (1/3) ... [2019-10-13 22:55:33,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351d0233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:55:33, skipping insertion in model container [2019-10-13 22:55:33,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:55:31" (2/3) ... [2019-10-13 22:55:33,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351d0233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:55:33, skipping insertion in model container [2019-10-13 22:55:33,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:55:33" (3/3) ... [2019-10-13 22:55:33,156 INFO L109 eAbstractionObserver]: Analyzing ICFG list_and_tree_cnstr-2.i [2019-10-13 22:55:33,167 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:55:33,176 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:55:33,188 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:55:33,221 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:55:33,221 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:55:33,221 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:55:33,222 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:55:33,231 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:55:33,231 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:55:33,231 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:55:33,231 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:55:33,248 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2019-10-13 22:55:33,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-13 22:55:33,255 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:55:33,256 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:55:33,258 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:55:33,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:55:33,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1613074857, now seen corresponding path program 1 times [2019-10-13 22:55:33,271 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:55:33,271 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957758987] [2019-10-13 22:55:33,272 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:55:33,272 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:55:33,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:55:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:55:33,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:55:33,416 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957758987] [2019-10-13 22:55:33,417 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:55:33,418 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 22:55:33,418 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467150515] [2019-10-13 22:55:33,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 22:55:33,423 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:55:33,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 22:55:33,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 22:55:33,444 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2019-10-13 22:55:33,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:55:33,482 INFO L93 Difference]: Finished difference Result 81 states and 117 transitions. [2019-10-13 22:55:33,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 22:55:33,484 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-13 22:55:33,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:55:33,495 INFO L225 Difference]: With dead ends: 81 [2019-10-13 22:55:33,495 INFO L226 Difference]: Without dead ends: 34 [2019-10-13 22:55:33,501 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 [2019-10-13 22:55:33,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-10-13 22:55:33,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-10-13 22:55:33,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-10-13 22:55:33,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2019-10-13 22:55:33,551 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 41 transitions. Word has length 18 [2019-10-13 22:55:33,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:55:33,551 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 41 transitions. [2019-10-13 22:55:33,551 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 22:55:33,552 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2019-10-13 22:55:33,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-13 22:55:33,553 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:55:33,553 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:55:33,553 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:55:33,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:55:33,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1270740144, now seen corresponding path program 1 times [2019-10-13 22:55:33,554 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:55:33,554 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029202114] [2019-10-13 22:55:33,554 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:55:33,555 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:55:33,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:55:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:55:33,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:55:33,646 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029202114] [2019-10-13 22:55:33,646 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:55:33,646 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:55:33,647 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782447006] [2019-10-13 22:55:33,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:55:33,648 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:55:33,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:55:33,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:55:33,649 INFO L87 Difference]: Start difference. First operand 34 states and 41 transitions. Second operand 3 states. [2019-10-13 22:55:33,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:55:33,695 INFO L93 Difference]: Finished difference Result 57 states and 69 transitions. [2019-10-13 22:55:33,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:55:33,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-10-13 22:55:33,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:55:33,697 INFO L225 Difference]: With dead ends: 57 [2019-10-13 22:55:33,697 INFO L226 Difference]: Without dead ends: 38 [2019-10-13 22:55:33,698 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 [2019-10-13 22:55:33,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-10-13 22:55:33,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2019-10-13 22:55:33,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-10-13 22:55:33,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2019-10-13 22:55:33,705 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 23 [2019-10-13 22:55:33,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:55:33,706 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 42 transitions. [2019-10-13 22:55:33,706 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:55:33,706 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2019-10-13 22:55:33,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-13 22:55:33,707 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:55:33,707 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:55:33,708 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:55:33,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:55:33,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1872294584, now seen corresponding path program 1 times [2019-10-13 22:55:33,708 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:55:33,709 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064210876] [2019-10-13 22:55:33,709 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:55:33,709 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:55:33,709 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:55:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:55:33,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 22:55:33,813 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064210876] [2019-10-13 22:55:33,813 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:55:33,813 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:55:33,813 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339824983] [2019-10-13 22:55:33,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:55:33,814 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:55:33,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:55:33,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:55:33,815 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. Second operand 5 states. [2019-10-13 22:55:34,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:55:34,120 INFO L93 Difference]: Finished difference Result 60 states and 71 transitions. [2019-10-13 22:55:34,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 22:55:34,120 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-10-13 22:55:34,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:55:34,123 INFO L225 Difference]: With dead ends: 60 [2019-10-13 22:55:34,124 INFO L226 Difference]: Without dead ends: 56 [2019-10-13 22:55:34,124 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-13 22:55:34,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-10-13 22:55:34,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 44. [2019-10-13 22:55:34,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-10-13 22:55:34,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 54 transitions. [2019-10-13 22:55:34,133 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 54 transitions. Word has length 27 [2019-10-13 22:55:34,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:55:34,133 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 54 transitions. [2019-10-13 22:55:34,133 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:55:34,133 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2019-10-13 22:55:34,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-13 22:55:34,134 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:55:34,135 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, 1, 1, 1, 1] [2019-10-13 22:55:34,135 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:55:34,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:55:34,137 INFO L82 PathProgramCache]: Analyzing trace with hash -267521581, now seen corresponding path program 1 times [2019-10-13 22:55:34,137 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:55:34,137 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885150264] [2019-10-13 22:55:34,137 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:55:34,138 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:55:34,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:55:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:55:34,247 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 22:55:34,247 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885150264] [2019-10-13 22:55:34,248 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:55:34,248 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:55:34,248 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111459559] [2019-10-13 22:55:34,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:55:34,249 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:55:34,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:55:34,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:55:34,249 INFO L87 Difference]: Start difference. First operand 44 states and 54 transitions. Second operand 5 states. [2019-10-13 22:55:34,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:55:34,403 INFO L93 Difference]: Finished difference Result 62 states and 73 transitions. [2019-10-13 22:55:34,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 22:55:34,403 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-10-13 22:55:34,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:55:34,404 INFO L225 Difference]: With dead ends: 62 [2019-10-13 22:55:34,404 INFO L226 Difference]: Without dead ends: 54 [2019-10-13 22:55:34,405 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-13 22:55:34,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-10-13 22:55:34,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 42. [2019-10-13 22:55:34,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-10-13 22:55:34,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2019-10-13 22:55:34,412 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 29 [2019-10-13 22:55:34,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:55:34,412 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2019-10-13 22:55:34,412 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:55:34,412 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2019-10-13 22:55:34,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-13 22:55:34,413 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:55:34,413 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, 1, 1, 1, 1] [2019-10-13 22:55:34,414 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:55:34,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:55:34,414 INFO L82 PathProgramCache]: Analyzing trace with hash 757181395, now seen corresponding path program 1 times [2019-10-13 22:55:34,414 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:55:34,415 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403415277] [2019-10-13 22:55:34,415 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:55:34,415 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:55:34,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:55:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:55:34,528 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 22:55:34,530 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403415277] [2019-10-13 22:55:34,530 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:55:34,531 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:55:34,531 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587449698] [2019-10-13 22:55:34,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:55:34,532 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:55:34,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:55:34,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:55:34,533 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand 5 states. [2019-10-13 22:55:34,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:55:34,679 INFO L93 Difference]: Finished difference Result 62 states and 73 transitions. [2019-10-13 22:55:34,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 22:55:34,680 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-10-13 22:55:34,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:55:34,681 INFO L225 Difference]: With dead ends: 62 [2019-10-13 22:55:34,684 INFO L226 Difference]: Without dead ends: 51 [2019-10-13 22:55:34,684 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-13 22:55:34,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-10-13 22:55:34,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 39. [2019-10-13 22:55:34,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-10-13 22:55:34,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2019-10-13 22:55:34,696 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 29 [2019-10-13 22:55:34,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:55:34,700 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions. [2019-10-13 22:55:34,700 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:55:34,701 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2019-10-13 22:55:34,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-13 22:55:34,702 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:55:34,702 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:55:34,702 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:55:34,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:55:34,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1251181087, now seen corresponding path program 1 times [2019-10-13 22:55:34,703 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:55:34,705 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393941217] [2019-10-13 22:55:34,705 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:55:34,705 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:55:34,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:55:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:55:34,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 22:55:34,891 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393941217] [2019-10-13 22:55:34,892 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799036985] [2019-10-13 22:55:34,892 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 [2019-10-13 22:55:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:55:35,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 24 conjunts are in the unsatisfiable core [2019-10-13 22:55:35,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:55:35,114 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 [2019-10-13 22:55:35,115 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 22:55:35,122 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 22:55:35,122 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-13 22:55:35,122 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-10-13 22:55:35,159 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 22:55:35,160 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-10-13 22:55:35,161 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 22:55:35,172 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 22:55:35,181 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 11 treesize of output 7 [2019-10-13 22:55:35,182 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-13 22:55:35,195 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 22:55:35,196 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-13 22:55:35,196 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:18 [2019-10-13 22:55:35,226 INFO L341 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2019-10-13 22:55:35,227 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2019-10-13 22:55:35,227 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 22:55:35,233 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 22:55:35,234 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-13 22:55:35,234 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:12 [2019-10-13 22:55:35,262 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2019-10-13 22:55:35,263 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 22:55:35,277 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 22:55:35,278 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-10-13 22:55:35,279 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:19 [2019-10-13 22:55:35,315 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2019-10-13 22:55:35,316 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 22:55:35,320 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 22:55:35,321 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-13 22:55:35,321 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:26, output treesize:3 [2019-10-13 22:55:35,326 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 22:55:35,326 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:55:35,360 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:55:35,386 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 22:55:35,399 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-13 22:55:35,405 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 22:55:35,406 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-10-13 22:55:35,407 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:54, output treesize:22 [2019-10-13 22:55:35,438 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:55:35,459 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 170 treesize of output 162 [2019-10-13 22:55:35,460 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:55:35,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:55:35,463 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:55:35,464 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-13 22:55:35,465 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:55:35,465 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:55:35,471 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 22:55:35,633 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 27 [2019-10-13 22:55:35,633 INFO L567 ElimStorePlain]: treesize reduction 307, result has 10.2 percent of original size [2019-10-13 22:55:35,635 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 2 xjuncts. [2019-10-13 22:55:35,635 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:21 [2019-10-13 22:55:35,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 22:55:35,761 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [355690863] [2019-10-13 22:55:35,796 INFO L162 IcfgInterpreter]: Started Sifa with 29 locations of interest [2019-10-13 22:55:35,797 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 22:55:35,805 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 22:55:35,815 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 22:55:35,816 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 22:55:35,909 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-13 22:55:37,776 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:37,790 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:37,871 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:37,885 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:37,899 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:37,911 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:37,924 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:37,936 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:37,949 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:37,961 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:37,972 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:37,984 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:38,026 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:38,038 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:38,049 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:38,060 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:39,870 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:39,872 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:39,889 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:39,891 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:39,972 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:39,973 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:40,022 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:40,024 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:40,065 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:40,066 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:40,224 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-10-13 22:55:40,467 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:40,479 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:40,491 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:40,504 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:40,516 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:40,528 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:40,546 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:40,586 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:40,626 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:40,639 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:40,728 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:40,764 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:40,800 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:40,812 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:40,851 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:40,862 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:42,446 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:42,448 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:42,461 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:42,463 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:42,538 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:42,540 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:42,557 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:42,559 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:42,579 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:42,581 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:42,905 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:42,918 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:42,988 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:43,029 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:43,041 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:43,077 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:43,088 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:43,103 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:43,115 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:43,128 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:43,194 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:43,246 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:43,297 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:43,313 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:43,330 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:43,343 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:44,839 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:44,841 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:44,855 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:44,857 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:44,898 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:44,900 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:44,917 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:44,920 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:44,941 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:44,944 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:45,315 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:45,328 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:45,341 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:45,354 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:45,367 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:45,533 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:45,543 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:45,554 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:45,565 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:45,576 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:45,587 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:45,598 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:45,607 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:45,618 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:45,652 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:45,728 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:47,210 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:47,212 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:47,227 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:47,228 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:47,279 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:47,281 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:47,323 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:47,325 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:47,342 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:47,343 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:47,658 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:47,726 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:47,763 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:47,833 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:47,847 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:47,859 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:47,871 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:47,883 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:47,894 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:47,929 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:47,939 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:47,949 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:47,961 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:48,004 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:48,013 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:48,045 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:49,545 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:49,546 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:49,558 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:49,559 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:49,591 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:49,592 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:49,609 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:49,610 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:49,626 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:49,627 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:50,005 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:50,019 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:50,030 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:50,040 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:50,080 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:50,117 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:50,157 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:50,191 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:50,227 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:50,238 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:50,248 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:50,286 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:50,297 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:50,309 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:50,320 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:50,331 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:51,805 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:51,806 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:51,819 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:51,820 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:51,858 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:51,859 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:51,875 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:51,876 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:51,892 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:51,893 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:52,280 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:52,293 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:52,305 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:52,315 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:52,355 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:52,417 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:52,427 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:52,436 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:52,447 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:52,486 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:52,521 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:52,532 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:52,544 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:52,555 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:52,566 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:52,645 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:54,099 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:54,100 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:54,109 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:54,110 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:54,150 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:54,151 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:54,172 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:54,173 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:54,188 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:54,189 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:54,529 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:54,543 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:54,555 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:54,597 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:54,609 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:54,622 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:54,634 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:54,696 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:54,735 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:54,773 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:54,840 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:54,852 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:54,865 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:54,901 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:54,911 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:54,922 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:56,301 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:56,302 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:56,318 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:56,319 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:56,371 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:56,372 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:56,420 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:56,422 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:56,445 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:56,447 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:56,634 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-10-13 22:55:56,936 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:57,007 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:57,020 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:57,033 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:57,073 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:57,085 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:57,097 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:57,109 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:57,121 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:57,135 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:57,171 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:57,236 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:57,275 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:57,285 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:57,330 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:57,342 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:58,725 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:58,726 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:58,763 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:58,764 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:58,800 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:58,802 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:58,823 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:58,824 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:58,838 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:58,839 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:55:59,115 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:59,125 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:59,193 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:59,204 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:59,215 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:59,226 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:59,237 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:59,249 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:59,260 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:59,271 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:59,283 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:59,295 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:59,360 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:59,372 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:59,404 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:55:59,442 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:00,881 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:00,882 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:00,902 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:00,904 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:00,936 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:00,937 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:00,954 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:00,955 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:00,965 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:00,966 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:01,348 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:01,361 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:01,374 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:01,387 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:01,400 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:01,439 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:01,451 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:01,464 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:01,476 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:01,524 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:01,568 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:01,629 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:01,641 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:01,651 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:01,664 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:01,675 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:03,033 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:03,034 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:03,044 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:03,045 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:03,073 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:03,074 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:03,089 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:03,091 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:03,103 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:03,104 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:03,415 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:03,430 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:03,440 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:03,450 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:03,460 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:03,471 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:03,529 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:03,566 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:03,624 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:03,634 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:03,645 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:03,655 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:03,684 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:03,694 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:03,741 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:03,749 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:05,059 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:05,060 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:05,070 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:05,071 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:05,096 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:05,096 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:05,114 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:05,115 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:05,123 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:05,124 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-13 22:56:05,424 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:05,478 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:05,487 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:05,519 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:05,530 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:05,539 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:05,548 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:56:05,579 WARN L225 Elim1Store]: Array PQE input equivalent to false