/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/forester-heap/dll-optional-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 02:08:01,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 02:08:01,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 02:08:01,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 02:08:01,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 02:08:01,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 02:08:01,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 02:08:01,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 02:08:01,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 02:08:01,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 02:08:01,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 02:08:01,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 02:08:01,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 02:08:01,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 02:08:01,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 02:08:01,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 02:08:01,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 02:08:01,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 02:08:01,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 02:08:01,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 02:08:01,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 02:08:01,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 02:08:01,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 02:08:01,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 02:08:01,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 02:08:01,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 02:08:01,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 02:08:01,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 02:08:01,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 02:08:01,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 02:08:01,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 02:08:01,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 02:08:01,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 02:08:01,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 02:08:01,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 02:08:01,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 02:08:01,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 02:08:01,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 02:08:01,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 02:08:01,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 02:08:01,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 02:08:01,806 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 02:08:01,819 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 02:08:01,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 02:08:01,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 02:08:01,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 02:08:01,823 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 02:08:01,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 02:08:01,823 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 02:08:01,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 02:08:01,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 02:08:01,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 02:08:01,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 02:08:01,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 02:08:01,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 02:08:01,824 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 02:08:01,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 02:08:01,825 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 02:08:01,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 02:08:01,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 02:08:01,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 02:08:01,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 02:08:01,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 02:08:01,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 02:08:01,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 02:08:01,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 02:08:01,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 02:08:01,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 02:08:01,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 02:08:01,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 02:08:01,827 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 02:08:02,114 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 02:08:02,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 02:08:02,133 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 02:08:02,134 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 02:08:02,134 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 02:08:02,135 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-optional-1.i [2019-11-07 02:08:02,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e038f0bd3/eaf435dde42d48c3b1ff4d08c3a49c86/FLAGa0d23466b [2019-11-07 02:08:02,790 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 02:08:02,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-optional-1.i [2019-11-07 02:08:02,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e038f0bd3/eaf435dde42d48c3b1ff4d08c3a49c86/FLAGa0d23466b [2019-11-07 02:08:03,053 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e038f0bd3/eaf435dde42d48c3b1ff4d08c3a49c86 [2019-11-07 02:08:03,062 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 02:08:03,064 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 02:08:03,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 02:08:03,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 02:08:03,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 02:08:03,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:08:03" (1/1) ... [2019-11-07 02:08:03,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9cbec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:03, skipping insertion in model container [2019-11-07 02:08:03,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:08:03" (1/1) ... [2019-11-07 02:08:03,079 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 02:08:03,128 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 02:08:03,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 02:08:03,604 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 02:08:03,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 02:08:03,706 INFO L192 MainTranslator]: Completed translation [2019-11-07 02:08:03,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:03 WrapperNode [2019-11-07 02:08:03,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 02:08:03,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 02:08:03,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 02:08:03,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 02:08:03,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:03" (1/1) ... [2019-11-07 02:08:03,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:03" (1/1) ... [2019-11-07 02:08:03,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:03" (1/1) ... [2019-11-07 02:08:03,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:03" (1/1) ... [2019-11-07 02:08:03,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:03" (1/1) ... [2019-11-07 02:08:03,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:03" (1/1) ... [2019-11-07 02:08:03,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:03" (1/1) ... [2019-11-07 02:08:03,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 02:08:03,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 02:08:03,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 02:08:03,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 02:08:03,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:03" (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 02:08:03,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 02:08:03,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 02:08:03,841 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 02:08:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-07 02:08:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-07 02:08:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-07 02:08:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-07 02:08:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-07 02:08:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-07 02:08:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-07 02:08:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-07 02:08:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-07 02:08:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-07 02:08:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-07 02:08:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-07 02:08:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-07 02:08:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-07 02:08:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-07 02:08:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-07 02:08:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-07 02:08:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-07 02:08:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-07 02:08:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-07 02:08:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-07 02:08:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-07 02:08:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-07 02:08:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-07 02:08:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-07 02:08:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-07 02:08:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-07 02:08:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-07 02:08:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-07 02:08:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-07 02:08:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-07 02:08:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-07 02:08:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-07 02:08:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-07 02:08:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-07 02:08:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-07 02:08:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-07 02:08:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-07 02:08:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-07 02:08:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-07 02:08:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-07 02:08:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-07 02:08:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-07 02:08:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-07 02:08:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-07 02:08:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-07 02:08:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-07 02:08:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-07 02:08:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-07 02:08:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-07 02:08:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 02:08:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 02:08:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-07 02:08:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 02:08:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-07 02:08:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-07 02:08:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-07 02:08:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-07 02:08:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-07 02:08:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-07 02:08:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-07 02:08:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-07 02:08:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-07 02:08:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 02:08:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-07 02:08:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-07 02:08:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-07 02:08:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-07 02:08:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-07 02:08:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-07 02:08:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-07 02:08:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-07 02:08:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-07 02:08:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-07 02:08:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-07 02:08:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-07 02:08:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-07 02:08:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-07 02:08:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-07 02:08:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-07 02:08:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-07 02:08:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-07 02:08:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-07 02:08:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-07 02:08:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-07 02:08:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-07 02:08:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-07 02:08:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-07 02:08:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-07 02:08:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-07 02:08:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-07 02:08:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-07 02:08:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-07 02:08:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-07 02:08:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-07 02:08:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-07 02:08:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-07 02:08:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-07 02:08:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-07 02:08:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-07 02:08:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-07 02:08:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-07 02:08:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-07 02:08:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 02:08:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 02:08:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 02:08:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 02:08:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 02:08:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 02:08:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 02:08:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 02:08:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 02:08:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 02:08:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 02:08:05,396 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 02:08:05,397 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 02:08:05,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:08:05 BoogieIcfgContainer [2019-11-07 02:08:05,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 02:08:05,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 02:08:05,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 02:08:05,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 02:08:05,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:08:03" (1/3) ... [2019-11-07 02:08:05,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6687c5e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:08:05, skipping insertion in model container [2019-11-07 02:08:05,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:03" (2/3) ... [2019-11-07 02:08:05,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6687c5e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:08:05, skipping insertion in model container [2019-11-07 02:08:05,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:08:05" (3/3) ... [2019-11-07 02:08:05,406 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-optional-1.i [2019-11-07 02:08:05,416 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 02:08:05,424 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 02:08:05,435 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 02:08:05,458 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 02:08:05,459 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 02:08:05,459 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 02:08:05,459 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 02:08:05,459 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 02:08:05,460 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 02:08:05,460 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 02:08:05,460 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 02:08:05,479 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-11-07 02:08:05,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-07 02:08:05,484 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:08:05,486 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:08:05,487 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:08:05,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:08:05,493 INFO L82 PathProgramCache]: Analyzing trace with hash -986026750, now seen corresponding path program 1 times [2019-11-07 02:08:05,501 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:08:05,502 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910638270] [2019-11-07 02:08:05,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:08:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:08:05,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:08:05,711 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910638270] [2019-11-07 02:08:05,712 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:08:05,712 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 02:08:05,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039971324] [2019-11-07 02:08:05,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 02:08:05,721 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:08:05,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 02:08:05,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 02:08:05,736 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-11-07 02:08:05,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:08:05,756 INFO L93 Difference]: Finished difference Result 31 states and 41 transitions. [2019-11-07 02:08:05,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 02:08:05,758 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-07 02:08:05,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:08:05,767 INFO L225 Difference]: With dead ends: 31 [2019-11-07 02:08:05,767 INFO L226 Difference]: Without dead ends: 15 [2019-11-07 02:08:05,770 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 02:08:05,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-11-07 02:08:05,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-07 02:08:05,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-07 02:08:05,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2019-11-07 02:08:05,808 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 11 [2019-11-07 02:08:05,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:08:05,808 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2019-11-07 02:08:05,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 02:08:05,808 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2019-11-07 02:08:05,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-07 02:08:05,809 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:08:05,809 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:08:05,810 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:08:05,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:08:05,810 INFO L82 PathProgramCache]: Analyzing trace with hash 205203380, now seen corresponding path program 1 times [2019-11-07 02:08:05,810 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:08:05,811 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982228104] [2019-11-07 02:08:05,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:08:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:08:06,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:08:06,237 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982228104] [2019-11-07 02:08:06,237 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:08:06,237 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 02:08:06,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183718926] [2019-11-07 02:08:06,239 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 02:08:06,239 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:08:06,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 02:08:06,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 02:08:06,240 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 5 states. [2019-11-07 02:08:07,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:08:07,015 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2019-11-07 02:08:07,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 02:08:07,016 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-11-07 02:08:07,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:08:07,017 INFO L225 Difference]: With dead ends: 32 [2019-11-07 02:08:07,017 INFO L226 Difference]: Without dead ends: 30 [2019-11-07 02:08:07,018 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-07 02:08:07,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-07 02:08:07,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 21. [2019-11-07 02:08:07,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-07 02:08:07,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2019-11-07 02:08:07,026 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 12 [2019-11-07 02:08:07,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:08:07,026 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2019-11-07 02:08:07,026 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 02:08:07,026 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2019-11-07 02:08:07,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-07 02:08:07,027 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:08:07,027 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:08:07,027 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:08:07,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:08:07,028 INFO L82 PathProgramCache]: Analyzing trace with hash -411896331, now seen corresponding path program 1 times [2019-11-07 02:08:07,028 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:08:07,028 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157432003] [2019-11-07 02:08:07,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:08:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:08:07,657 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2019-11-07 02:08:07,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:08:07,788 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157432003] [2019-11-07 02:08:07,789 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291844094] [2019-11-07 02:08:07,789 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 02:08:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:08:08,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 32 conjunts are in the unsatisfiable core [2019-11-07 02:08:08,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 02:08:08,104 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:08:08,145 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_5, v_prenex_4, |v_#length_27|], 3=[|v_#valid_49|]} [2019-11-07 02:08:08,319 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 126 treesize of output 125 [2019-11-07 02:08:08,320 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 02:08:08,453 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 126 treesize of output 125 [2019-11-07 02:08:08,454 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-07 02:08:14,119 WARN L191 SmtUtils]: Spent 5.66 s on a formula simplification that was a NOOP. DAG size: 159 [2019-11-07 02:08:14,120 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:08:14,286 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 125 treesize of output 124 [2019-11-07 02:08:14,287 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-07 02:08:14,433 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 125 treesize of output 124 [2019-11-07 02:08:14,434 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-07 02:08:20,070 WARN L191 SmtUtils]: Spent 5.63 s on a formula simplification that was a NOOP. DAG size: 158 [2019-11-07 02:08:20,071 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:08:20,167 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:08:20,287 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 198 treesize of output 199 [2019-11-07 02:08:20,287 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-07 02:08:26,292 WARN L191 SmtUtils]: Spent 6.00 s on a formula simplification that was a NOOP. DAG size: 156 [2019-11-07 02:08:26,293 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:08:26,583 INFO L341 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-11-07 02:08:26,585 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 200 treesize of output 199 [2019-11-07 02:08:26,586 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-07 02:08:32,892 WARN L191 SmtUtils]: Spent 6.31 s on a formula simplification that was a NOOP. DAG size: 154 [2019-11-07 02:08:32,893 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:08:32,901 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_8, |v_#memory_$Pointer$.base_132|, |v_#memory_$Pointer$.offset_132|, v_prenex_1, v_prenex_2, v_prenex_3, v_prenex_6, |v_#memory_int_87|, v_prenex_7], 2=[|v_#memory_$Pointer$.base_126|, |v_#memory_int_88|, |v_#memory_$Pointer$.base_128|, |v_#memory_$Pointer$.offset_127|, |v_#memory_$Pointer$.offset_128|], 4=[|v_#memory_$Pointer$.base_127|, |v_#memory_$Pointer$.offset_126|]} [2019-11-07 02:08:32,994 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:08:33,021 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:08:33,086 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:08:33,160 INFO L235 Elim1Store]: Index analysis took 191 ms [2019-11-07 02:08:33,417 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 113 [2019-11-07 02:08:33,418 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-07 02:08:37,719 WARN L191 SmtUtils]: Spent 4.30 s on a formula simplification that was a NOOP. DAG size: 150 [2019-11-07 02:08:37,720 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:08:37,777 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:08:37,792 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:08:37,802 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:08:37,951 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 185 [2019-11-07 02:08:37,951 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-11-07 02:08:41,448 WARN L191 SmtUtils]: Spent 3.50 s on a formula simplification that was a NOOP. DAG size: 146 [2019-11-07 02:08:41,449 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:08:41,544 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:08:41,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:08:41,575 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:08:41,713 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 174 [2019-11-07 02:08:41,714 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-11-07 02:08:44,373 WARN L191 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 142 [2019-11-07 02:08:44,373 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:08:44,437 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:08:44,453 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:08:44,469 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:08:44,584 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 113 [2019-11-07 02:08:44,585 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-11-07 02:08:46,850 WARN L191 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 138 [2019-11-07 02:08:46,850 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:08:46,874 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:08:46,880 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:08:46,888 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:08:46,953 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 102 [2019-11-07 02:08:46,954 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-11-07 02:08:48,317 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 134 [2019-11-07 02:08:48,318 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:08:48,346 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:08:48,380 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 102 treesize of output 87 [2019-11-07 02:08:48,381 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-11-07 02:08:49,757 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 130 [2019-11-07 02:08:49,758 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:08:49,785 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:08:49,826 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 113 treesize of output 98 [2019-11-07 02:08:49,827 INFO L496 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2019-11-07 02:08:51,305 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 124 [2019-11-07 02:08:51,306 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:08:51,330 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:08:51,362 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 159 [2019-11-07 02:08:51,362 INFO L496 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts.