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/sll-optional-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:59:01,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:59:01,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:59:01,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:59:01,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:59:01,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:59:01,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:59:01,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:59:01,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:59:01,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:59:01,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:59:01,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:59:01,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:59:01,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:59:01,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:59:01,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:59:01,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:59:01,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:59:01,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:59:01,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:59:01,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:59:01,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:59:01,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:59:01,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:59:01,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:59:01,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:59:01,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:59:01,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:59:01,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:59:01,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:59:01,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:59:01,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:59:01,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:59:01,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:59:01,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:59:01,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:59:01,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:59:01,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:59:01,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:59:01,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:59:01,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:59:01,491 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:59:01,524 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:59:01,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:59:01,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:59:01,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:59:01,529 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:59:01,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:59:01,530 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:59:01,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:59:01,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:59:01,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:59:01,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:59:01,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:59:01,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:59:01,532 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:59:01,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:59:01,533 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:59:01,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:59:01,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:59:01,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:59:01,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:59:01,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:59:01,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:59:01,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:59:01,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:59:01,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:59:01,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:59:01,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:59:01,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:59:01,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 01:59:01,866 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:59:01,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:59:01,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:59:01,894 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:59:01,894 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:59:01,895 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-optional-1.i [2019-10-15 01:59:01,965 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119d593e2/992f7f7f6e974b09af8e678c735f29e1/FLAG4b6e17995 [2019-10-15 01:59:02,466 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:59:02,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-optional-1.i [2019-10-15 01:59:02,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119d593e2/992f7f7f6e974b09af8e678c735f29e1/FLAG4b6e17995 [2019-10-15 01:59:02,734 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119d593e2/992f7f7f6e974b09af8e678c735f29e1 [2019-10-15 01:59:02,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:59:02,745 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:59:02,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:59:02,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:59:02,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:59:02,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:59:02" (1/1) ... [2019-10-15 01:59:02,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52d5ae8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:02, skipping insertion in model container [2019-10-15 01:59:02,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:59:02" (1/1) ... [2019-10-15 01:59:02,761 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:59:02,817 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:59:03,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:59:03,279 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:59:03,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:59:03,386 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:59:03,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:03 WrapperNode [2019-10-15 01:59:03,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:59:03,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:59:03,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:59:03,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:59:03,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:03" (1/1) ... [2019-10-15 01:59:03,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:03" (1/1) ... [2019-10-15 01:59:03,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:03" (1/1) ... [2019-10-15 01:59:03,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:03" (1/1) ... [2019-10-15 01:59:03,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:03" (1/1) ... [2019-10-15 01:59:03,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:03" (1/1) ... [2019-10-15 01:59:03,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:03" (1/1) ... [2019-10-15 01:59:03,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:59:03,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:59:03,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:59:03,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:59:03,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:03" (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 [2019-10-15 01:59:03,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:59:03,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:59:03,547 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:59:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-15 01:59:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-15 01:59:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-15 01:59:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-15 01:59:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-15 01:59:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-15 01:59:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-15 01:59:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-15 01:59:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-15 01:59:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-15 01:59:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-15 01:59:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-15 01:59:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-15 01:59:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-15 01:59:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-15 01:59:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-15 01:59:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-15 01:59:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-15 01:59:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-15 01:59:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-15 01:59:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-15 01:59:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-15 01:59:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-15 01:59:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-15 01:59:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-15 01:59:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-15 01:59:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-15 01:59:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-15 01:59:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-15 01:59:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-15 01:59:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-15 01:59:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-15 01:59:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-15 01:59:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-15 01:59:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-15 01:59:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-15 01:59:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-15 01:59:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-15 01:59:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-15 01:59:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-15 01:59:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-15 01:59:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-15 01:59:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-15 01:59:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-15 01:59:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-15 01:59:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-15 01:59:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-15 01:59:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-15 01:59:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-15 01:59:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-15 01:59:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:59:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 01:59:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-15 01:59:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:59:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-15 01:59:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-15 01:59:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-15 01:59:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-15 01:59:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-15 01:59:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-15 01:59:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-15 01:59:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-15 01:59:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-15 01:59:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:59:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-15 01:59:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-15 01:59:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-15 01:59:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-15 01:59:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-15 01:59:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-15 01:59:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-15 01:59:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-15 01:59:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-15 01:59:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-15 01:59:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-15 01:59:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-15 01:59:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-15 01:59:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-15 01:59:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-15 01:59:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-15 01:59:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-15 01:59:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-15 01:59:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-15 01:59:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-15 01:59:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-15 01:59:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-15 01:59:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-15 01:59:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-15 01:59:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-15 01:59:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-15 01:59:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-15 01:59:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-15 01:59:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-15 01:59:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-15 01:59:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-15 01:59:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-15 01:59:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-15 01:59:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-15 01:59:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-15 01:59:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-15 01:59:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-15 01:59:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-15 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-15 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:59:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:59:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:59:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:59:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:59:04,798 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:59:04,799 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:59:04,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:59:04 BoogieIcfgContainer [2019-10-15 01:59:04,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:59:04,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:59:04,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:59:04,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:59:04,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:59:02" (1/3) ... [2019-10-15 01:59:04,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e7bd8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:59:04, skipping insertion in model container [2019-10-15 01:59:04,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:03" (2/3) ... [2019-10-15 01:59:04,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e7bd8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:59:04, skipping insertion in model container [2019-10-15 01:59:04,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:59:04" (3/3) ... [2019-10-15 01:59:04,807 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-optional-1.i [2019-10-15 01:59:04,816 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:59:04,823 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:59:04,835 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:59:04,856 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:59:04,857 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:59:04,857 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:59:04,857 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:59:04,858 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:59:04,858 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:59:04,858 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:59:04,859 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:59:04,873 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-10-15 01:59:04,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-15 01:59:04,878 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:59:04,879 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:59:04,881 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:59:04,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:59:04,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1730973556, now seen corresponding path program 1 times [2019-10-15 01:59:04,893 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:59:04,893 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382805794] [2019-10-15 01:59:04,894 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:59:04,894 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:59:04,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:59:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:59:05,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:59:05,061 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382805794] [2019-10-15 01:59:05,063 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:59:05,064 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:59:05,064 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516440654] [2019-10-15 01:59:05,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:59:05,069 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:59:05,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:59:05,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:59:05,086 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-10-15 01:59:05,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:59:05,106 INFO L93 Difference]: Finished difference Result 31 states and 41 transitions. [2019-10-15 01:59:05,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:59:05,107 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-10-15 01:59:05,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:59:05,116 INFO L225 Difference]: With dead ends: 31 [2019-10-15 01:59:05,116 INFO L226 Difference]: Without dead ends: 15 [2019-10-15 01:59:05,119 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:59:05,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-10-15 01:59:05,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-10-15 01:59:05,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-10-15 01:59:05,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2019-10-15 01:59:05,149 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 11 [2019-10-15 01:59:05,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:59:05,149 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2019-10-15 01:59:05,149 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:59:05,149 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2019-10-15 01:59:05,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-15 01:59:05,150 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:59:05,150 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:59:05,150 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:59:05,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:59:05,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1413484106, now seen corresponding path program 1 times [2019-10-15 01:59:05,151 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:59:05,151 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111427698] [2019-10-15 01:59:05,151 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:59:05,151 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:59:05,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:59:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:59:05,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:59:05,573 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111427698] [2019-10-15 01:59:05,574 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:59:05,575 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:59:05,575 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965874834] [2019-10-15 01:59:05,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:59:05,577 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:59:05,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:59:05,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:59:05,578 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 5 states. [2019-10-15 01:59:06,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:59:06,078 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2019-10-15 01:59:06,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:59:06,080 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-10-15 01:59:06,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:59:06,081 INFO L225 Difference]: With dead ends: 32 [2019-10-15 01:59:06,082 INFO L226 Difference]: Without dead ends: 30 [2019-10-15 01:59:06,083 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:59:06,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-10-15 01:59:06,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 21. [2019-10-15 01:59:06,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-15 01:59:06,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2019-10-15 01:59:06,094 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 12 [2019-10-15 01:59:06,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:59:06,095 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2019-10-15 01:59:06,095 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:59:06,095 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2019-10-15 01:59:06,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-15 01:59:06,096 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:59:06,096 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:59:06,096 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:59:06,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:59:06,097 INFO L82 PathProgramCache]: Analyzing trace with hash -2131408294, now seen corresponding path program 1 times [2019-10-15 01:59:06,097 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:59:06,097 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303072642] [2019-10-15 01:59:06,097 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:59:06,097 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:59:06,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:59:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:59:06,978 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 46 [2019-10-15 01:59:07,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:59:07,123 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303072642] [2019-10-15 01:59:07,123 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155398842] [2019-10-15 01:59:07,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:59:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:59:07,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 30 conjunts are in the unsatisfiable core [2019-10-15 01:59:07,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:59:07,294 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:59:07,336 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_5, v_prenex_4, |v_#length_27|], 3=[|v_#valid_49|]} [2019-10-15 01:59:07,451 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 116 treesize of output 115 [2019-10-15 01:59:07,452 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:07,583 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 116 treesize of output 115 [2019-10-15 01:59:07,584 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:10,303 WARN L191 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:59:10,304 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:10,403 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 115 treesize of output 114 [2019-10-15 01:59:10,404 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:10,523 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 115 treesize of output 114 [2019-10-15 01:59:10,523 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:13,002 WARN L191 SmtUtils]: Spent 2.48 s on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:59:13,002 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:13,083 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:59:13,196 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 188 treesize of output 189 [2019-10-15 01:59:13,197 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:15,950 WARN L191 SmtUtils]: Spent 2.75 s on a formula simplification that was a NOOP. DAG size: 148 [2019-10-15 01:59:15,951 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:16,123 INFO L341 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-10-15 01:59:16,124 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 190 treesize of output 189 [2019-10-15 01:59:16,125 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:18,638 WARN L191 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 146 [2019-10-15 01:59:18,638 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:18,652 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_8, |v_#memory_$Pointer$.offset_130|, v_prenex_1, |v_#memory_int_79|, v_prenex_2, v_prenex_3, |v_#memory_$Pointer$.base_130|, v_prenex_6, v_prenex_7], 2=[|v_#memory_int_80|, |v_#memory_$Pointer$.offset_124|, |v_#memory_$Pointer$.offset_125|, |v_#memory_$Pointer$.base_125|, |v_#memory_$Pointer$.base_124|], 4=[|v_#memory_$Pointer$.base_126|, |v_#memory_$Pointer$.offset_126|]} [2019-10-15 01:59:18,721 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:59:18,813 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 114 treesize of output 99 [2019-10-15 01:59:18,814 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:20,805 WARN L191 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 141 [2019-10-15 01:59:20,806 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:20,882 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:59:21,036 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 186 treesize of output 171 [2019-10-15 01:59:21,039 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:22,925 WARN L191 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 136 [2019-10-15 01:59:22,926 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:22,975 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:59:23,039 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 114 treesize of output 99 [2019-10-15 01:59:23,039 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:24,528 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 131 [2019-10-15 01:59:24,528 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:24,567 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:59:24,625 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 171 treesize of output 156 [2019-10-15 01:59:24,626 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:25,821 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 126 [2019-10-15 01:59:25,822 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:25,857 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:59:25,907 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 99 treesize of output 84 [2019-10-15 01:59:25,907 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:26,940 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 122 [2019-10-15 01:59:26,941 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:26,968 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:59:27,007 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 84 treesize of output 69 [2019-10-15 01:59:27,007 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:27,868 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-10-15 01:59:27,868 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:27,888 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:59:27,917 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 156 treesize of output 141 [2019-10-15 01:59:27,918 INFO L496 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:28,501 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-15 01:59:28,501 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:28,521 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:59:28,545 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 99 treesize of output 84 [2019-10-15 01:59:28,546 INFO L496 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:29,093 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-15 01:59:29,093 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:29,109 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:59:29,129 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 84 treesize of output 69 [2019-10-15 01:59:29,130 INFO L496 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:29,424 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-10-15 01:59:29,425 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:29,444 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 141 treesize of output 129 [2019-10-15 01:59:29,445 INFO L496 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:29,704 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-10-15 01:59:29,704 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:29,713 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:59:29,716 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 68 [2019-10-15 01:59:29,717 INFO L496 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:29,943 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-10-15 01:59:29,944 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:29,953 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:59:29,957 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 68 [2019-10-15 01:59:29,958 INFO L496 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:30,178 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-10-15 01:59:30,178 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:30,189 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:59:30,192 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 64 [2019-10-15 01:59:30,193 INFO L496 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:30,390 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-10-15 01:59:30,390 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:30,396 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:59:30,400 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 64 [2019-10-15 01:59:30,401 INFO L496 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:30,557 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-10-15 01:59:30,558 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:30,571 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:59:30,582 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 126 treesize of output 114 [2019-10-15 01:59:30,583 INFO L496 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:30,709 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-10-15 01:59:30,710 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:30,717 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:59:30,723 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 111 treesize of output 99 [2019-10-15 01:59:30,724 INFO L496 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:30,826 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-10-15 01:59:30,826 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:30,828 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, 16 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-10-15 01:59:30,829 INFO L221 ElimStorePlain]: Needed 23 recursive calls to eliminate 21 variables, input treesize:421, output treesize:252 [2019-10-15 01:59:30,957 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-15 01:59:30,962 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:59:30,971 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:59:30,984 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:59:30,987 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:59:31,004 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:59:31,008 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:59:32,040 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 122 [2019-10-15 01:59:32,104 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_22, |v_#length_28|, v_prenex_43, v_prenex_84], 1=[v_prenex_66, v_prenex_39, v_prenex_29, v_prenex_18, v_prenex_50, v_prenex_54, v_prenex_98], 3=[v_prenex_64, v_prenex_96], 4=[v_prenex_82, |v_#valid_50|], 7=[v_prenex_61]} [2019-10-15 01:59:36,220 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 219 treesize of output 217 [2019-10-15 01:59:36,221 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:40,295 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 219 treesize of output 217 [2019-10-15 01:59:40,296 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.