java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/dll2c_append_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:11:19,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:11:19,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:11:20,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:11:20,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:11:20,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:11:20,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:11:20,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:11:20,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:11:20,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:11:20,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:11:20,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:11:20,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:11:20,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:11:20,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:11:20,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:11:20,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:11:20,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:11:20,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:11:20,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:11:20,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:11:20,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:11:20,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:11:20,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:11:20,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:11:20,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:11:20,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:11:20,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:11:20,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:11:20,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:11:20,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:11:20,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:11:20,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:11:20,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:11:20,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:11:20,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:11:20,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:11:20,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:11:20,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:11:20,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:11:20,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:11:20,084 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 [2019-10-14 23:11:20,113 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:11:20,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:11:20,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:11:20,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:11:20,115 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:11:20,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:11:20,115 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:11:20,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:11:20,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:11:20,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:11:20,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:11:20,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:11:20,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:11:20,116 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:11:20,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:11:20,117 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:11:20,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:11:20,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:11:20,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:11:20,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:11:20,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:11:20,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:11:20,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:11:20,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:11:20,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:11:20,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:11:20,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:11:20,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:11:20,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:11:20,421 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:11:20,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:11:20,444 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:11:20,445 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:11:20,445 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:11:20,446 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_append_unequal.i [2019-10-14 23:11:20,519 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84e2e6b4a/fc33c619684441cf91780ecdcb4c147a/FLAG0d898344b [2019-10-14 23:11:21,076 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:11:21,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_append_unequal.i [2019-10-14 23:11:21,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84e2e6b4a/fc33c619684441cf91780ecdcb4c147a/FLAG0d898344b [2019-10-14 23:11:21,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84e2e6b4a/fc33c619684441cf91780ecdcb4c147a [2019-10-14 23:11:21,343 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:11:21,346 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:11:21,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:11:21,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:11:21,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:11:21,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:11:21" (1/1) ... [2019-10-14 23:11:21,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3044d039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:21, skipping insertion in model container [2019-10-14 23:11:21,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:11:21" (1/1) ... [2019-10-14 23:11:21,367 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:11:21,424 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:11:21,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:11:21,912 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:11:21,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:11:22,034 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:11:22,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22 WrapperNode [2019-10-14 23:11:22,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:11:22,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:11:22,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:11:22,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:11:22,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (1/1) ... [2019-10-14 23:11:22,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (1/1) ... [2019-10-14 23:11:22,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (1/1) ... [2019-10-14 23:11:22,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (1/1) ... [2019-10-14 23:11:22,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (1/1) ... [2019-10-14 23:11:22,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (1/1) ... [2019-10-14 23:11:22,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (1/1) ... [2019-10-14 23:11:22,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:11:22,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:11:22,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:11:22,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:11:22,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (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 [2019-10-14 23:11:22,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:11:22,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:11:22,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-14 23:11:22,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-14 23:11:22,168 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-14 23:11:22,169 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-10-14 23:11:22,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-10-14 23:11:22,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2019-10-14 23:11:22,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_append [2019-10-14 23:11:22,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:11:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:11:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-14 23:11:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-14 23:11:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-14 23:11:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-14 23:11:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-14 23:11:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-14 23:11:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-14 23:11:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-14 23:11:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-14 23:11:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-14 23:11:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-14 23:11:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-14 23:11:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-14 23:11:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-14 23:11:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-14 23:11:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-14 23:11:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-14 23:11:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-14 23:11:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-14 23:11:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-14 23:11:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-14 23:11:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-14 23:11:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-14 23:11:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-14 23:11:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-14 23:11:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-14 23:11:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-14 23:11:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-14 23:11:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-14 23:11:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-14 23:11:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-14 23:11:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-14 23:11:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-14 23:11:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-14 23:11:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-14 23:11:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-14 23:11:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-14 23:11:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-14 23:11:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-14 23:11:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-14 23:11:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-14 23:11:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-14 23:11:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-14 23:11:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-14 23:11:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-14 23:11:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-14 23:11:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-14 23:11:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-14 23:11:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-14 23:11:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-14 23:11:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-14 23:11:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-14 23:11:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:11:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 23:11:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-14 23:11:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:11:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-14 23:11:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-14 23:11:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-14 23:11:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-14 23:11:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-14 23:11:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-14 23:11:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-14 23:11:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-14 23:11:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-14 23:11:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:11:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-14 23:11:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-14 23:11:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-14 23:11:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-14 23:11:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-14 23:11:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-14 23:11:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-14 23:11:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-14 23:11:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-14 23:11:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-14 23:11:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-14 23:11:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-14 23:11:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-14 23:11:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-14 23:11:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-14 23:11:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-14 23:11:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-14 23:11:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-14 23:11:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-14 23:11:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-14 23:11:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-14 23:11:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-14 23:11:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-14 23:11:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-14 23:11:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-14 23:11:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-14 23:11:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-14 23:11:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-14 23:11:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-14 23:11:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-14 23:11:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-14 23:11:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-14 23:11:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-14 23:11:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-14 23:11:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-14 23:11:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-14 23:11:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-14 23:11:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-14 23:11:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-14 23:11:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-14 23:11:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-10-14 23:11:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:11:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:11:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:11:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-10-14 23:11:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2019-10-14 23:11:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:11:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:11:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_append [2019-10-14 23:11:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:11:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:11:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 23:11:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:11:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:11:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:11:22,625 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-14 23:11:22,799 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:11:22,800 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-14 23:11:22,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:11:22 BoogieIcfgContainer [2019-10-14 23:11:22,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:11:22,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:11:22,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:11:22,811 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:11:22,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:11:21" (1/3) ... [2019-10-14 23:11:22,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7060031f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:11:22, skipping insertion in model container [2019-10-14 23:11:22,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (2/3) ... [2019-10-14 23:11:22,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7060031f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:11:22, skipping insertion in model container [2019-10-14 23:11:22,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:11:22" (3/3) ... [2019-10-14 23:11:22,825 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2c_append_unequal.i [2019-10-14 23:11:22,838 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:11:22,846 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:11:22,859 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:11:22,899 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:11:22,899 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:11:22,899 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:11:22,899 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:11:22,900 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:11:22,900 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:11:22,900 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:11:22,900 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:11:22,923 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2019-10-14 23:11:22,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-14 23:11:22,933 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:11:22,934 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:11:22,939 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:11:22,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:11:22,946 INFO L82 PathProgramCache]: Analyzing trace with hash 656525943, now seen corresponding path program 1 times [2019-10-14 23:11:22,955 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:11:22,956 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940669482] [2019-10-14 23:11:22,956 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:11:22,957 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:11:22,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:11:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:23,345 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-14 23:11:23,346 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940669482] [2019-10-14 23:11:23,347 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:11:23,347 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 23:11:23,347 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476280741] [2019-10-14 23:11:23,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 23:11:23,356 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:11:23,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 23:11:23,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:11:23,374 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 4 states. [2019-10-14 23:11:23,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:11:23,682 INFO L93 Difference]: Finished difference Result 101 states and 127 transitions. [2019-10-14 23:11:23,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 23:11:23,684 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2019-10-14 23:11:23,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:11:23,698 INFO L225 Difference]: With dead ends: 101 [2019-10-14 23:11:23,698 INFO L226 Difference]: Without dead ends: 41 [2019-10-14 23:11:23,709 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-14 23:11:23,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-10-14 23:11:23,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-10-14 23:11:23,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-10-14 23:11:23,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2019-10-14 23:11:23,770 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 36 [2019-10-14 23:11:23,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:11:23,773 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2019-10-14 23:11:23,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 23:11:23,773 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2019-10-14 23:11:23,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-14 23:11:23,777 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:11:23,777 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:11:23,778 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:11:23,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:11:23,779 INFO L82 PathProgramCache]: Analyzing trace with hash -2091035926, now seen corresponding path program 1 times [2019-10-14 23:11:23,779 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:11:23,780 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636567883] [2019-10-14 23:11:23,780 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:11:23,780 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:11:23,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:11:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:24,093 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-14 23:11:24,094 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636567883] [2019-10-14 23:11:24,094 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:11:24,094 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 23:11:24,095 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69846751] [2019-10-14 23:11:24,097 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-14 23:11:24,097 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:11:24,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-14 23:11:24,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-14 23:11:24,099 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand 7 states. [2019-10-14 23:11:24,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:11:24,344 INFO L93 Difference]: Finished difference Result 72 states and 85 transitions. [2019-10-14 23:11:24,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-14 23:11:24,344 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2019-10-14 23:11:24,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:11:24,346 INFO L225 Difference]: With dead ends: 72 [2019-10-14 23:11:24,346 INFO L226 Difference]: Without dead ends: 46 [2019-10-14 23:11:24,349 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:11:24,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-10-14 23:11:24,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2019-10-14 23:11:24,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-10-14 23:11:24,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2019-10-14 23:11:24,371 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 36 [2019-10-14 23:11:24,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:11:24,371 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2019-10-14 23:11:24,372 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-14 23:11:24,372 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2019-10-14 23:11:24,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-14 23:11:24,375 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:11:24,375 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:11:24,376 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:11:24,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:11:24,377 INFO L82 PathProgramCache]: Analyzing trace with hash 364861950, now seen corresponding path program 1 times [2019-10-14 23:11:24,377 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:11:24,378 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989490356] [2019-10-14 23:11:24,378 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:11:24,378 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:11:24,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:11:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:25,073 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:11:25,074 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989490356] [2019-10-14 23:11:25,074 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99232626] [2019-10-14 23:11:25,074 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 [2019-10-14 23:11:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:25,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 45 conjunts are in the unsatisfiable core [2019-10-14 23:11:25,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:11:25,465 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2019-10-14 23:11:25,466 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:25,483 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:25,484 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 23:11:25,484 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2019-10-14 23:11:28,857 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 23 [2019-10-14 23:11:31,656 WARN L191 SmtUtils]: Spent 989.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2019-10-14 23:11:31,675 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:11:31,682 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:31,683 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-10-14 23:11:31,683 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:31 [2019-10-14 23:11:36,008 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 23:11:36,009 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 23:11:36,009 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 28 [2019-10-14 23:11:36,009 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919373291] [2019-10-14 23:11:36,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-10-14 23:11:36,010 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:11:36,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-10-14 23:11:36,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=683, Unknown=4, NotChecked=0, Total=756 [2019-10-14 23:11:36,012 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 28 states. [2019-10-14 23:11:38,038 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 28 [2019-10-14 23:11:40,652 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 43 [2019-10-14 23:11:41,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:11:41,216 INFO L93 Difference]: Finished difference Result 79 states and 94 transitions. [2019-10-14 23:11:41,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-14 23:11:41,218 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 46 [2019-10-14 23:11:41,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:11:41,220 INFO L225 Difference]: With dead ends: 79 [2019-10-14 23:11:41,221 INFO L226 Difference]: Without dead ends: 46 [2019-10-14 23:11:41,222 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=118, Invalid=1210, Unknown=4, NotChecked=0, Total=1332 [2019-10-14 23:11:41,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-10-14 23:11:41,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2019-10-14 23:11:41,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-10-14 23:11:41,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions. [2019-10-14 23:11:41,230 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 52 transitions. Word has length 46 [2019-10-14 23:11:41,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:11:41,231 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 52 transitions. [2019-10-14 23:11:41,231 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-10-14 23:11:41,231 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2019-10-14 23:11:41,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-14 23:11:41,232 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:11:41,232 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:11:41,438 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:11:41,439 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:11:41,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:11:41,439 INFO L82 PathProgramCache]: Analyzing trace with hash 2139869312, now seen corresponding path program 1 times [2019-10-14 23:11:41,440 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:11:41,440 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679419402] [2019-10-14 23:11:41,440 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:11:41,441 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:11:41,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:11:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:44,045 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2019-10-14 23:11:44,917 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2019-10-14 23:11:45,481 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2019-10-14 23:11:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:46,038 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 45 [2019-10-14 23:11:46,056 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:11:46,057 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679419402] [2019-10-14 23:11:46,057 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082657661] [2019-10-14 23:11:46,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:11:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:11:46,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 133 conjunts are in the unsatisfiable core [2019-10-14 23:11:46,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:11:46,283 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 [2019-10-14 23:11:46,284 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:46,287 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:46,288 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-14 23:11:46,288 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-10-14 23:11:46,604 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-10-14 23:11:46,604 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:46,609 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:46,610 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-14 23:11:46,610 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:3 [2019-10-14 23:11:46,752 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 13 treesize of output 9 [2019-10-14 23:11:46,752 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:46,764 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:46,764 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 23:11:46,765 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2019-10-14 23:11:46,875 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:46,876 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-10-14 23:11:46,878 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:46,916 INFO L567 ElimStorePlain]: treesize reduction 14, result has 72.0 percent of original size [2019-10-14 23:11:46,917 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-14 23:11:46,918 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:36 [2019-10-14 23:11:47,065 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2019-10-14 23:11:47,066 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:47,085 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:47,085 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 23:11:47,086 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:34 [2019-10-14 23:11:47,172 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 27 treesize of output 11 [2019-10-14 23:11:47,172 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:47,185 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:47,185 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 23:11:47,185 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:50, output treesize:31 [2019-10-14 23:11:47,351 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_42|], 2=[|v_#memory_int_44|, |v_#memory_int_52|]} [2019-10-14 23:11:47,362 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 29 treesize of output 17 [2019-10-14 23:11:47,363 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:47,392 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:47,396 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:11:47,423 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:47,428 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 23:11:47,430 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 18 [2019-10-14 23:11:47,431 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:47,452 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:47,453 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:11:47,454 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:94, output treesize:62 [2019-10-14 23:11:47,867 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 29 treesize of output 7 [2019-10-14 23:11:47,868 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:47,901 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:47,903 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_BEFORE_CALL_1|, |v_#memory_int_BEFORE_CALL_1|], 6=[|v_#memory_$Pointer$.base_BEFORE_CALL_5|]} [2019-10-14 23:11:47,908 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 72 treesize of output 56 [2019-10-14 23:11:47,908 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:47,937 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:47,949 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 11 treesize of output 3 [2019-10-14 23:11:47,950 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-14 23:11:47,974 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:48,000 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:48,001 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 44 [2019-10-14 23:11:48,002 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:11:48,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:11:48,006 INFO L496 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-10-14 23:11:48,047 INFO L567 ElimStorePlain]: treesize reduction 12, result has 71.4 percent of original size [2019-10-14 23:11:48,048 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 23:11:48,048 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:137, output treesize:13 [2019-10-14 23:11:48,225 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:11:48,257 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:48,261 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:11:48,284 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:48,285 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-10-14 23:11:48,285 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:92, output treesize:68 [2019-10-14 23:11:50,182 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 42 [2019-10-14 23:11:51,792 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 48 [2019-10-14 23:11:53,154 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 48 [2019-10-14 23:11:53,177 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_48|, |v_#memory_int_49|, |v_#memory_int_47|], 35=[|v_#memory_$Pointer$.offset_42|], 49=[|v_#memory_$Pointer$.base_44|]} [2019-10-14 23:11:53,200 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:11:53,728 WARN L191 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-10-14 23:11:53,728 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:53,743 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:11:54,048 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-14 23:11:54,048 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:54,061 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:11:54,673 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-10-14 23:11:54,674 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:54,678 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:11:55,184 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-10-14 23:11:55,185 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:55,191 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:11:55,560 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-10-14 23:11:55,560 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:11:55,561 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 5 dim-2 vars, End of recursive call: 11 dim-0 vars, and 1 xjuncts. [2019-10-14 23:11:55,562 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 11 variables, input treesize:3076, output treesize:11009