/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-simple/sll2c_insert_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 03:57:02,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 03:57:02,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 03:57:02,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 03:57:02,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 03:57:02,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 03:57:02,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 03:57:02,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 03:57:02,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 03:57:02,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 03:57:02,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 03:57:02,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 03:57:02,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 03:57:02,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 03:57:02,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 03:57:02,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 03:57:02,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 03:57:02,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 03:57:02,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 03:57:02,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 03:57:02,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 03:57:02,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 03:57:02,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 03:57:02,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 03:57:02,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 03:57:02,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 03:57:02,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 03:57:02,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 03:57:02,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 03:57:02,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 03:57:02,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 03:57:02,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 03:57:02,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 03:57:02,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 03:57:02,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 03:57:02,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 03:57:02,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 03:57:02,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 03:57:02,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 03:57:02,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 03:57:02,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 03:57:02,855 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 [2019-11-07 03:57:02,869 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 03:57:02,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 03:57:02,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 03:57:02,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 03:57:02,871 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 03:57:02,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 03:57:02,872 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 03:57:02,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 03:57:02,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 03:57:02,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 03:57:02,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 03:57:02,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 03:57:02,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 03:57:02,873 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 03:57:02,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 03:57:02,874 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 03:57:02,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 03:57:02,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 03:57:02,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 03:57:02,874 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 03:57:02,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 03:57:02,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 03:57:02,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 03:57:02,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 03:57:02,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 03:57:02,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 03:57:02,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 03:57:02,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 03:57:02,876 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 03:57:03,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 03:57:03,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 03:57:03,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 03:57:03,202 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 03:57:03,203 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 03:57:03,203 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_insert_equal.i [2019-11-07 03:57:03,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f5ebfee2/afcdbcf91ccd4ae187bac4957ccd59a1/FLAG2c5112679 [2019-11-07 03:57:03,842 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 03:57:03,843 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_insert_equal.i [2019-11-07 03:57:03,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f5ebfee2/afcdbcf91ccd4ae187bac4957ccd59a1/FLAG2c5112679 [2019-11-07 03:57:04,071 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f5ebfee2/afcdbcf91ccd4ae187bac4957ccd59a1 [2019-11-07 03:57:04,079 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 03:57:04,081 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 03:57:04,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 03:57:04,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 03:57:04,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 03:57:04,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:57:04" (1/1) ... [2019-11-07 03:57:04,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21274784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:04, skipping insertion in model container [2019-11-07 03:57:04,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:57:04" (1/1) ... [2019-11-07 03:57:04,098 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 03:57:04,156 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 03:57:04,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:57:04,605 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 03:57:04,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:57:04,720 INFO L192 MainTranslator]: Completed translation [2019-11-07 03:57:04,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:04 WrapperNode [2019-11-07 03:57:04,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 03:57:04,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 03:57:04,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 03:57:04,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 03:57:04,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:04" (1/1) ... [2019-11-07 03:57:04,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:04" (1/1) ... [2019-11-07 03:57:04,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:04" (1/1) ... [2019-11-07 03:57:04,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:04" (1/1) ... [2019-11-07 03:57:04,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:04" (1/1) ... [2019-11-07 03:57:04,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:04" (1/1) ... [2019-11-07 03:57:04,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:04" (1/1) ... [2019-11-07 03:57:04,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 03:57:04,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 03:57:04,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 03:57:04,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 03:57:04,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:04" (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 [2019-11-07 03:57:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 03:57:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 03:57:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-07 03:57:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-07 03:57:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-07 03:57:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-11-07 03:57:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-11-07 03:57:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2019-11-07 03:57:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_insert [2019-11-07 03:57:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 03:57:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 03:57:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-07 03:57:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-07 03:57:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-07 03:57:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-07 03:57:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-07 03:57:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-07 03:57:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-07 03:57:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-07 03:57:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-07 03:57:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-07 03:57:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-07 03:57:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-07 03:57:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-07 03:57:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-07 03:57:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-07 03:57:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-07 03:57:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-07 03:57:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-07 03:57:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-07 03:57:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-07 03:57:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-07 03:57:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-07 03:57:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-07 03:57:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-07 03:57:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-07 03:57:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-07 03:57:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-07 03:57:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-07 03:57:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-07 03:57:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-07 03:57:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-07 03:57:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-07 03:57:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-07 03:57:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-07 03:57:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-07 03:57:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-07 03:57:04,876 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-07 03:57:04,876 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-07 03:57:04,876 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-07 03:57:04,876 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-07 03:57:04,876 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-07 03:57:04,876 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-07 03:57:04,876 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-07 03:57:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-07 03:57:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-07 03:57:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-07 03:57:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-07 03:57:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-07 03:57:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-07 03:57:04,878 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-07 03:57:04,878 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-07 03:57:04,878 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-07 03:57:04,878 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 03:57:04,878 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 03:57:04,878 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-07 03:57:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 03:57:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-07 03:57:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-07 03:57:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-07 03:57:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-07 03:57:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-07 03:57:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-07 03:57:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-07 03:57:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-07 03:57:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-07 03:57:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 03:57:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-07 03:57:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-07 03:57:04,881 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-07 03:57:04,881 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-07 03:57:04,881 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-07 03:57:04,881 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-07 03:57:04,881 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-07 03:57:04,881 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-07 03:57:04,881 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-07 03:57:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-07 03:57:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-07 03:57:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-07 03:57:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-07 03:57:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-07 03:57:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-07 03:57:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-07 03:57:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-07 03:57:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-07 03:57:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-07 03:57:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-07 03:57:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-07 03:57:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-07 03:57:04,884 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-07 03:57:04,884 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-07 03:57:04,884 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-07 03:57:04,884 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-07 03:57:04,884 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-07 03:57:04,884 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-07 03:57:04,884 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-07 03:57:04,885 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-07 03:57:04,885 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-07 03:57:04,885 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-07 03:57:04,885 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-07 03:57:04,885 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-07 03:57:04,885 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-07 03:57:04,885 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-07 03:57:04,886 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-07 03:57:04,886 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-07 03:57:04,886 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-07 03:57:04,886 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-07 03:57:04,886 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-11-07 03:57:04,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 03:57:04,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 03:57:04,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 03:57:04,887 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-11-07 03:57:04,887 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2019-11-07 03:57:04,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 03:57:04,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 03:57:04,887 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_insert [2019-11-07 03:57:04,887 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 03:57:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 03:57:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 03:57:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 03:57:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 03:57:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 03:57:05,283 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-07 03:57:05,805 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 03:57:05,806 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 03:57:05,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:57:05 BoogieIcfgContainer [2019-11-07 03:57:05,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 03:57:05,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 03:57:05,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 03:57:05,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 03:57:05,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:57:04" (1/3) ... [2019-11-07 03:57:05,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78869f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:57:05, skipping insertion in model container [2019-11-07 03:57:05,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:04" (2/3) ... [2019-11-07 03:57:05,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78869f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:57:05, skipping insertion in model container [2019-11-07 03:57:05,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:57:05" (3/3) ... [2019-11-07 03:57:05,816 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2c_insert_equal.i [2019-11-07 03:57:05,827 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 03:57:05,835 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 03:57:05,847 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 03:57:05,872 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 03:57:05,873 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 03:57:05,873 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 03:57:05,873 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 03:57:05,873 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 03:57:05,873 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 03:57:05,874 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 03:57:05,874 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 03:57:05,893 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2019-11-07 03:57:05,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-07 03:57:05,901 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:57:05,902 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:57:05,904 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:57:05,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:57:05,910 INFO L82 PathProgramCache]: Analyzing trace with hash -694471384, now seen corresponding path program 1 times [2019-11-07 03:57:05,921 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:57:05,921 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476130720] [2019-11-07 03:57:05,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:57:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:57:06,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-07 03:57:06,235 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476130720] [2019-11-07 03:57:06,236 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:57:06,237 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 03:57:06,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549806731] [2019-11-07 03:57:06,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 03:57:06,247 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:57:06,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 03:57:06,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 03:57:06,265 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2019-11-07 03:57:06,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:57:06,295 INFO L93 Difference]: Finished difference Result 59 states and 71 transitions. [2019-11-07 03:57:06,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 03:57:06,297 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 30 [2019-11-07 03:57:06,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:57:06,309 INFO L225 Difference]: With dead ends: 59 [2019-11-07 03:57:06,309 INFO L226 Difference]: Without dead ends: 31 [2019-11-07 03:57:06,317 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 03:57:06,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-07 03:57:06,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-11-07 03:57:06,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-07 03:57:06,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2019-11-07 03:57:06,386 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 30 [2019-11-07 03:57:06,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:57:06,389 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2019-11-07 03:57:06,389 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 03:57:06,389 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2019-11-07 03:57:06,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-07 03:57:06,393 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:57:06,393 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:57:06,393 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:57:06,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:57:06,394 INFO L82 PathProgramCache]: Analyzing trace with hash -694485303, now seen corresponding path program 1 times [2019-11-07 03:57:06,395 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:57:06,395 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196871590] [2019-11-07 03:57:06,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:57:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:57:06,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-07 03:57:06,619 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196871590] [2019-11-07 03:57:06,619 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:57:06,619 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 03:57:06,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104707327] [2019-11-07 03:57:06,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 03:57:06,621 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:57:06,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 03:57:06,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-07 03:57:06,622 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand 8 states. [2019-11-07 03:57:06,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:57:06,952 INFO L93 Difference]: Finished difference Result 55 states and 65 transitions. [2019-11-07 03:57:06,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 03:57:06,952 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2019-11-07 03:57:06,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:57:06,954 INFO L225 Difference]: With dead ends: 55 [2019-11-07 03:57:06,955 INFO L226 Difference]: Without dead ends: 35 [2019-11-07 03:57:06,956 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-07 03:57:06,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-07 03:57:06,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2019-11-07 03:57:06,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-07 03:57:06,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2019-11-07 03:57:06,965 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 30 [2019-11-07 03:57:06,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:57:06,965 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2019-11-07 03:57:06,965 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 03:57:06,966 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2019-11-07 03:57:06,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-07 03:57:06,967 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:57:06,967 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:57:06,967 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:57:06,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:57:06,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1500673692, now seen corresponding path program 1 times [2019-11-07 03:57:06,968 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:57:06,968 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409639579] [2019-11-07 03:57:06,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:57:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:57:08,308 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2019-11-07 03:57:08,723 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2019-11-07 03:57:08,962 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 55 [2019-11-07 03:57:09,210 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 03:57:09,211 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409639579] [2019-11-07 03:57:09,211 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460626851] [2019-11-07 03:57:09,211 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 [2019-11-07 03:57:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:57:09,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 124 conjunts are in the unsatisfiable core [2019-11-07 03:57:09,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 03:57:09,547 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 [2019-11-07 03:57:09,548 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 03:57:09,558 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:57:09,558 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-07 03:57:09,559 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-07 03:57:09,802 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 [2019-11-07 03:57:09,803 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 03:57:09,810 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:57:09,811 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-07 03:57:09,811 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:3 [2019-11-07 03:57:09,889 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-11-07 03:57:09,890 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 03:57:09,901 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:57:09,901 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-07 03:57:09,902 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:31 [2019-11-07 03:57:10,017 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:57:10,018 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-11-07 03:57:10,020 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 03:57:10,067 INFO L567 ElimStorePlain]: treesize reduction 14, result has 76.7 percent of original size [2019-11-07 03:57:10,067 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-07 03:57:10,068 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:46 [2019-11-07 03:57:10,158 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2019-11-07 03:57:10,159 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 03:57:10,177 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:57:10,177 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-07 03:57:10,178 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:42 [2019-11-07 03:57:10,287 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2019-11-07 03:57:10,288 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 03:57:10,307 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:57:10,309 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-07 03:57:10,309 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:57, output treesize:42 [2019-11-07 03:57:10,672 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-07 03:57:10,673 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 03:57:10,705 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:57:10,720 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 [2019-11-07 03:57:10,720 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-07 03:57:10,747 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:57:10,755 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2019-11-07 03:57:10,756 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-07 03:57:10,789 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:57:10,797 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-07 03:57:10,798 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-07 03:57:10,821 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:57:10,822 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. [2019-11-07 03:57:10,822 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:85, output treesize:13 [2019-11-07 03:57:10,915 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-07 03:57:10,936 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:57:10,937 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. [2019-11-07 03:57:10,938 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:83, output treesize:71 [2019-11-07 03:57:19,038 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 42 [2019-11-07 03:57:23,061 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 48 [2019-11-07 03:57:23,378 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:57:23,380 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:57:23,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:57:23,391 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:57:23,415 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:57:23,442 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_92|, |v_#memory_int_93|, |v_#memory_int_94|, v_prenex_6], 10=[|v_#memory_$Pointer$.offset_80|, |v_#memory_$Pointer$.base_80|, v_prenex_13, v_prenex_11], 25=[v_prenex_1, v_prenex_7]} [2019-11-07 03:57:23,476 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-07 03:57:30,281 WARN L191 SmtUtils]: Spent 6.80 s on a formula simplification. DAG size of input: 202 DAG size of output: 131 [2019-11-07 03:57:30,282 INFO L567 ElimStorePlain]: treesize reduction 1104, result has 37.2 percent of original size [2019-11-07 03:57:30,305 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-07 03:57:30,336 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-07 03:57:33,746 WARN L191 SmtUtils]: Spent 3.41 s on a formula simplification that was a NOOP. DAG size: 135 [2019-11-07 03:57:33,747 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:57:33,747 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_int_94| vanished before elimination [2019-11-07 03:57:33,748 INFO L464 ElimStorePlain]: Eliminatee v_prenex_6 vanished before elimination [2019-11-07 03:57:34,092 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-07 03:57:37,554 WARN L191 SmtUtils]: Spent 3.46 s on a formula simplification that was a NOOP. DAG size: 132 [2019-11-07 03:57:37,554 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:57:37,586 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-07 03:57:40,639 WARN L191 SmtUtils]: Spent 3.05 s on a formula simplification that was a NOOP. DAG size: 129 [2019-11-07 03:57:40,639 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:57:40,662 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-07 03:57:40,696 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-07 03:57:46,429 WARN L191 SmtUtils]: Spent 5.73 s on a formula simplification that was a NOOP. DAG size: 146 [2019-11-07 03:57:46,430 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:57:46,452 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-07 03:57:46,476 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-07 03:57:50,870 WARN L191 SmtUtils]: Spent 4.39 s on a formula simplification that was a NOOP. DAG size: 148 [2019-11-07 03:57:50,871 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:57:50,871 INFO L464 ElimStorePlain]: Eliminatee v_prenex_1 vanished before elimination [2019-11-07 03:57:50,871 INFO L464 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2019-11-07 03:57:50,874 INFO L496 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 10 dim-2 vars, End of recursive call: 28 dim-0 vars, and 3 xjuncts. [2019-11-07 03:57:50,875 INFO L221 ElimStorePlain]: Needed 10 recursive calls to eliminate 23 variables, input treesize:1748, output treesize:1343