java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-sets/test_add-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:02:46,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:02:46,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:02:46,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:02:46,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:02:46,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:02:46,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:02:46,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:02:46,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:02:46,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:02:46,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:02:46,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:02:46,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:02:46,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:02:46,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:02:46,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:02:46,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:02:46,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:02:46,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:02:46,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:02:46,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:02:46,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:02:46,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:02:46,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:02:46,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:02:46,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:02:46,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:02:46,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:02:46,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:02:46,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:02:46,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:02:46,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:02:46,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:02:46,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:02:46,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:02:46,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:02:46,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:02:46,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:02:46,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:02:46,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:02:46,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:02:46,124 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 21:02:46,142 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:02:46,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:02:46,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:02:46,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:02:46,143 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:02:46,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:02:46,144 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:02:46,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:02:46,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:02:46,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:02:46,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:02:46,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:02:46,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:02:46,145 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:02:46,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:02:46,146 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:02:46,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:02:46,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:02:46,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:02:46,146 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:02:46,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:02:46,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:02:46,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:02:46,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:02:46,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:02:46,147 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:02:46,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:02:46,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:02:46,148 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:02:46,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:02:46,440 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:02:46,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:02:46,445 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:02:46,445 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:02:46,446 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_add-2.i [2019-10-13 21:02:46,508 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce1d3636b/4d32b3d27b7e4e5b88a2617283f7e603/FLAG13a7a63a8 [2019-10-13 21:02:47,054 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:02:47,055 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_add-2.i [2019-10-13 21:02:47,069 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce1d3636b/4d32b3d27b7e4e5b88a2617283f7e603/FLAG13a7a63a8 [2019-10-13 21:02:47,300 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce1d3636b/4d32b3d27b7e4e5b88a2617283f7e603 [2019-10-13 21:02:47,313 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:02:47,315 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:02:47,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:02:47,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:02:47,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:02:47,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:02:47" (1/1) ... [2019-10-13 21:02:47,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e2e0a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:47, skipping insertion in model container [2019-10-13 21:02:47,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:02:47" (1/1) ... [2019-10-13 21:02:47,333 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:02:47,386 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:02:47,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:02:47,875 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:02:47,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:02:48,004 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:02:48,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:48 WrapperNode [2019-10-13 21:02:48,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:02:48,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:02:48,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:02:48,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:02:48,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:48" (1/1) ... [2019-10-13 21:02:48,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:48" (1/1) ... [2019-10-13 21:02:48,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:48" (1/1) ... [2019-10-13 21:02:48,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:48" (1/1) ... [2019-10-13 21:02:48,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:48" (1/1) ... [2019-10-13 21:02:48,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:48" (1/1) ... [2019-10-13 21:02:48,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:48" (1/1) ... [2019-10-13 21:02:48,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:02:48,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:02:48,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:02:48,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:02:48,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:48" (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 21:02:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:02:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:02:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-13 21:02:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-13 21:02:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 21:02:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2019-10-13 21:02:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-10-13 21:02:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-10-13 21:02:48,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-10-13 21:02:48,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-10-13 21:02:48,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-10-13 21:02:48,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-10-13 21:02:48,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2019-10-13 21:02:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2019-10-13 21:02:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-13 21:02:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2019-10-13 21:02:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2019-10-13 21:02:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2019-10-13 21:02:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-10-13 21:02:48,165 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:02:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-13 21:02:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-13 21:02:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-13 21:02:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-13 21:02:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-13 21:02:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-13 21:02:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-13 21:02:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-13 21:02:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-13 21:02:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-13 21:02:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-13 21:02:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-13 21:02:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-13 21:02:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-13 21:02:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-13 21:02:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-13 21:02:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-13 21:02:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-13 21:02:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-13 21:02:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-13 21:02:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-13 21:02:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-13 21:02:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-13 21:02:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-13 21:02:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-13 21:02:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-13 21:02:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-13 21:02:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-13 21:02:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-13 21:02:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-13 21:02:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-13 21:02:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-13 21:02:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-13 21:02:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-13 21:02:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-13 21:02:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-13 21:02:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-13 21:02:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-13 21:02:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-13 21:02:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-13 21:02:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-13 21:02:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-13 21:02:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-13 21:02:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-13 21:02:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-13 21:02:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-13 21:02:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-13 21:02:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-13 21:02:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-13 21:02:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-13 21:02:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-13 21:02:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-13 21:02:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:02:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 21:02:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-13 21:02:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:02:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-13 21:02:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-13 21:02:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-13 21:02:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-13 21:02:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-13 21:02:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-13 21:02:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-13 21:02:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 21:02:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-13 21:02:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-13 21:02:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-13 21:02:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-13 21:02:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-13 21:02:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-13 21:02:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-13 21:02:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-13 21:02:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-13 21:02:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-13 21:02:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-13 21:02:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-13 21:02:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-13 21:02:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-13 21:02:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-13 21:02:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-13 21:02:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-13 21:02:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-13 21:02:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-13 21:02:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-13 21:02:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-13 21:02:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-13 21:02:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-13 21:02:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-13 21:02:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-13 21:02:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-13 21:02:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-13 21:02:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-13 21:02:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-13 21:02:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-13 21:02:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-13 21:02:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-13 21:02:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-13 21:02:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-13 21:02:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-13 21:02:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-13 21:02:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-13 21:02:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-13 21:02:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:02:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 21:02:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:02:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 21:02:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 21:02:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:02:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2019-10-13 21:02:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-10-13 21:02:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:02:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-10-13 21:02:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-10-13 21:02:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-10-13 21:02:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:02:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-10-13 21:02:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-10-13 21:02:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2019-10-13 21:02:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2019-10-13 21:02:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-13 21:02:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2019-10-13 21:02:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2019-10-13 21:02:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2019-10-13 21:02:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:02:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:02:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:02:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-10-13 21:02:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:02:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:02:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:02:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 21:02:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:02:48,886 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:02:48,887 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-13 21:02:48,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:02:48 BoogieIcfgContainer [2019-10-13 21:02:48,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:02:48,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:02:48,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:02:48,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:02:48,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:02:47" (1/3) ... [2019-10-13 21:02:48,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2040183c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:02:48, skipping insertion in model container [2019-10-13 21:02:48,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:02:48" (2/3) ... [2019-10-13 21:02:48,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2040183c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:02:48, skipping insertion in model container [2019-10-13 21:02:48,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:02:48" (3/3) ... [2019-10-13 21:02:48,900 INFO L109 eAbstractionObserver]: Analyzing ICFG test_add-2.i [2019-10-13 21:02:48,910 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:02:48,918 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:02:48,930 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:02:48,955 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:02:48,955 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:02:48,955 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:02:48,955 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:02:48,956 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:02:48,956 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:02:48,956 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:02:48,956 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:02:48,973 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2019-10-13 21:02:48,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-13 21:02:48,980 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:02:48,981 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] [2019-10-13 21:02:48,983 INFO L410 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:02:48,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:02:48,990 INFO L82 PathProgramCache]: Analyzing trace with hash 257004736, now seen corresponding path program 1 times [2019-10-13 21:02:49,000 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:02:49,000 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063150949] [2019-10-13 21:02:49,001 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:49,001 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:49,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:02:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:02:49,256 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:02:49,262 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063150949] [2019-10-13 21:02:49,264 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832725606] [2019-10-13 21:02:49,264 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 21:02:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:02:49,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-13 21:02:49,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:02:49,502 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:02:49,502 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:02:49,570 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:02:49,570 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:02:49,571 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 4 [2019-10-13 21:02:49,571 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970549930] [2019-10-13 21:02:49,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:02:49,579 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:02:49,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:02:49,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:02:49,599 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 4 states. [2019-10-13 21:02:49,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:02:49,657 INFO L93 Difference]: Finished difference Result 88 states and 101 transitions. [2019-10-13 21:02:49,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:02:49,659 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2019-10-13 21:02:49,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:02:49,669 INFO L225 Difference]: With dead ends: 88 [2019-10-13 21:02:49,669 INFO L226 Difference]: Without dead ends: 44 [2019-10-13 21:02:49,672 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:02:49,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-10-13 21:02:49,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-10-13 21:02:49,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-10-13 21:02:49,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2019-10-13 21:02:49,723 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 28 [2019-10-13 21:02:49,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:02:49,724 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2019-10-13 21:02:49,724 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:02:49,724 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2019-10-13 21:02:49,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-13 21:02:49,726 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:02:49,726 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:02:49,932 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:02:49,933 INFO L410 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:02:49,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:02:49,933 INFO L82 PathProgramCache]: Analyzing trace with hash -2052571223, now seen corresponding path program 1 times [2019-10-13 21:02:49,934 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:02:49,934 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2568145] [2019-10-13 21:02:49,935 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:49,935 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:49,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:02:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:02:50,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:02:50,285 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2568145] [2019-10-13 21:02:50,285 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602381955] [2019-10-13 21:02:50,285 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 [2019-10-13 21:02:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:02:50,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 43 conjunts are in the unsatisfiable core [2019-10-13 21:02:50,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:02:50,507 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-10-13 21:02:50,508 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 21:02:50,519 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 21:02:50,523 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-10-13 21:02:50,524 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-13 21:02:50,531 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 21:02:50,532 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-13 21:02:50,532 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:10 [2019-10-13 21:02:50,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:02:50,761 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:02:51,161 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-13 21:02:51,173 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 [2019-10-13 21:02:51,173 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 21:02:51,185 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 21:02:51,189 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 [2019-10-13 21:02:51,189 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-13 21:02:51,198 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 21:02:51,198 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-13 21:02:51,199 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:17 [2019-10-13 21:02:51,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:02:51,334 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:02:51,335 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8, 8] total 20 [2019-10-13 21:02:51,335 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546698827] [2019-10-13 21:02:51,336 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:02:51,336 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:02:51,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:02:51,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2019-10-13 21:02:51,337 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand 9 states. [2019-10-13 21:02:52,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:02:52,014 INFO L93 Difference]: Finished difference Result 89 states and 99 transitions. [2019-10-13 21:02:52,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-13 21:02:52,014 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2019-10-13 21:02:52,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:02:52,016 INFO L225 Difference]: With dead ends: 89 [2019-10-13 21:02:52,017 INFO L226 Difference]: Without dead ends: 73 [2019-10-13 21:02:52,018 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=188, Invalid=624, Unknown=0, NotChecked=0, Total=812 [2019-10-13 21:02:52,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-10-13 21:02:52,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 47. [2019-10-13 21:02:52,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-10-13 21:02:52,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 50 transitions. [2019-10-13 21:02:52,030 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 50 transitions. Word has length 28 [2019-10-13 21:02:52,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:02:52,030 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 50 transitions. [2019-10-13 21:02:52,030 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:02:52,030 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2019-10-13 21:02:52,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 21:02:52,032 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:02:52,032 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, 1, 1, 1, 1, 1, 1] [2019-10-13 21:02:52,235 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:02:52,236 INFO L410 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:02:52,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:02:52,236 INFO L82 PathProgramCache]: Analyzing trace with hash 727487777, now seen corresponding path program 1 times [2019-10-13 21:02:52,236 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:02:52,236 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007109582] [2019-10-13 21:02:52,237 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:52,237 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:52,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:02:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:02:52,498 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:02:52,498 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007109582] [2019-10-13 21:02:52,498 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:02:52,498 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-10-13 21:02:52,499 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007620346] [2019-10-13 21:02:52,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-13 21:02:52,500 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:02:52,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-13 21:02:52,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2019-10-13 21:02:52,500 INFO L87 Difference]: Start difference. First operand 47 states and 50 transitions. Second operand 15 states. [2019-10-13 21:02:53,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:02:53,353 INFO L93 Difference]: Finished difference Result 67 states and 73 transitions. [2019-10-13 21:02:53,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-13 21:02:53,354 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 42 [2019-10-13 21:02:53,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:02:53,357 INFO L225 Difference]: With dead ends: 67 [2019-10-13 21:02:53,357 INFO L226 Difference]: Without dead ends: 60 [2019-10-13 21:02:53,358 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=746, Unknown=0, NotChecked=0, Total=870 [2019-10-13 21:02:53,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-10-13 21:02:53,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 48. [2019-10-13 21:02:53,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-10-13 21:02:53,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions. [2019-10-13 21:02:53,368 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 51 transitions. Word has length 42 [2019-10-13 21:02:53,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:02:53,368 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 51 transitions. [2019-10-13 21:02:53,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-13 21:02:53,369 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2019-10-13 21:02:53,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 21:02:53,370 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:02:53,370 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:02:53,370 INFO L410 AbstractCegarLoop]: === Iteration 4 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:02:53,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:02:53,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1992876214, now seen corresponding path program 1 times [2019-10-13 21:02:53,371 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:02:53,371 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204393429] [2019-10-13 21:02:53,372 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:53,372 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:53,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:02:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:02:53,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 21:02:53,424 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204393429] [2019-10-13 21:02:53,424 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:02:53,424 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:02:53,425 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556021132] [2019-10-13 21:02:53,425 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:02:53,425 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:02:53,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:02:53,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:02:53,426 INFO L87 Difference]: Start difference. First operand 48 states and 51 transitions. Second operand 4 states. [2019-10-13 21:02:53,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:02:53,438 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2019-10-13 21:02:53,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:02:53,438 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2019-10-13 21:02:53,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:02:53,439 INFO L225 Difference]: With dead ends: 56 [2019-10-13 21:02:53,439 INFO L226 Difference]: Without dead ends: 50 [2019-10-13 21:02:53,440 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:02:53,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-10-13 21:02:53,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2019-10-13 21:02:53,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-10-13 21:02:53,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 50 transitions. [2019-10-13 21:02:53,448 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 50 transitions. Word has length 42 [2019-10-13 21:02:53,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:02:53,448 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 50 transitions. [2019-10-13 21:02:53,449 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:02:53,449 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2019-10-13 21:02:53,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-13 21:02:53,450 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:02:53,450 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:02:53,451 INFO L410 AbstractCegarLoop]: === Iteration 5 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:02:53,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:02:53,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1065814928, now seen corresponding path program 1 times [2019-10-13 21:02:53,451 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:02:53,451 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280705103] [2019-10-13 21:02:53,452 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:53,452 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:53,452 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:02:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:02:54,050 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2019-10-13 21:02:54,906 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:02:54,906 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280705103] [2019-10-13 21:02:54,907 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876577467] [2019-10-13 21:02:54,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:02:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:02:55,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 113 conjunts are in the unsatisfiable core [2019-10-13 21:02:55,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:02:55,114 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-10-13 21:02:55,115 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 21:02:55,120 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 21:02:55,120 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-13 21:02:55,121 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:10 [2019-10-13 21:02:55,414 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 11 treesize of output 7 [2019-10-13 21:02:55,414 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 21:02:55,433 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 21:02:55,434 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-13 21:02:55,434 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2019-10-13 21:02:55,527 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 15 treesize of output 1 [2019-10-13 21:02:55,528 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 21:02:55,538 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 21:02:55,538 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_BEFORE_CALL_9| vanished before elimination [2019-10-13 21:02:55,539 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-13 21:02:55,539 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:33, output treesize:13 [2019-10-13 21:02:55,723 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_53|, |v_#memory_$Pointer$.base_54|], 2=[|v_#memory_int_44|, |v_#memory_int_45|, |v_#memory_int_43|]} [2019-10-13 21:02:55,745 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-13 21:02:55,920 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2019-10-13 21:02:55,920 INFO L341 Elim1Store]: treesize reduction 100, result has 50.2 percent of original size [2019-10-13 21:02:55,921 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 3 case distinctions, treesize of input 77 treesize of output 108 [2019-10-13 21:02:55,922 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 21:02:56,293 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-10-13 21:02:56,294 INFO L567 ElimStorePlain]: treesize reduction 36, result has 86.1 percent of original size [2019-10-13 21:02:56,312 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-13 21:02:56,425 INFO L341 Elim1Store]: treesize reduction 139, result has 30.8 percent of original size [2019-10-13 21:02:56,426 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 3 case distinctions, treesize of input 77 treesize of output 69 [2019-10-13 21:02:56,427 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-13 21:02:56,700 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-10-13 21:02:56,700 INFO L567 ElimStorePlain]: treesize reduction 16, result has 92.5 percent of original size [2019-10-13 21:02:56,713 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-13 21:02:56,846 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-10-13 21:02:56,847 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 21:02:56,853 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-13 21:02:56,966 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-10-13 21:02:56,967 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 21:02:56,971 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-13 21:02:57,083 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-10-13 21:02:57,084 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 21:02:57,085 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-13 21:02:57,086 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:02:57,088 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:02:57,090 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 5 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-10-13 21:02:57,090 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:229, output treesize:211 [2019-10-13 21:02:57,091 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-13 21:02:57,092 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:02:57,093 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:02:57,299 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:02:57,299 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-13 21:02:57,300 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms