java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-ext3-properties/sll_length_check-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:18:25,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:18:25,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:18:25,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:18:25,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:18:25,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:18:25,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:18:25,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:18:25,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:18:25,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:18:25,608 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:18:25,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:18:25,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:18:25,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:18:25,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:18:25,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:18:25,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:18:25,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:18:25,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:18:25,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:18:25,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:18:25,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:18:25,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:18:25,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:18:25,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 07:18:25,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 07:18:25,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 07:18:25,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 07:18:25,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 07:18:25,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 07:18:25,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:18:25,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:18:25,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:18:25,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:18:25,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:18:25,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:18:25,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:18:25,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:18:25,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:18:25,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:18:25,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:18:25,634 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 [2019-08-18 07:18:25,648 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:18:25,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:18:25,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:18:25,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:18:25,650 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:18:25,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:18:25,650 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:18:25,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:18:25,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:18:25,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:18:25,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:18:25,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:18:25,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:18:25,652 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:18:25,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:18:25,652 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:18:25,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:18:25,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:18:25,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:18:25,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:18:25,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:18:25,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:18:25,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:18:25,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:18:25,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:18:25,654 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:18:25,654 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:18:25,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:18:25,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:18:25,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:18:25,700 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:18:25,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:18:25,705 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:18:25,706 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:18:25,706 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/sll_length_check-2.i [2019-08-18 07:18:25,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4255ed1d/c275a2e813864ed3b901cbfaddc3789c/FLAG2dee5c07e [2019-08-18 07:18:26,320 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:18:26,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/sll_length_check-2.i [2019-08-18 07:18:26,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4255ed1d/c275a2e813864ed3b901cbfaddc3789c/FLAG2dee5c07e [2019-08-18 07:18:26,648 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4255ed1d/c275a2e813864ed3b901cbfaddc3789c [2019-08-18 07:18:26,657 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:18:26,659 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:18:26,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:18:26,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:18:26,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:18:26,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:18:26" (1/1) ... [2019-08-18 07:18:26,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59fa8142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:26, skipping insertion in model container [2019-08-18 07:18:26,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:18:26" (1/1) ... [2019-08-18 07:18:26,676 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:18:26,733 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:18:27,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:18:27,193 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:18:27,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:18:27,333 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:18:27,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:27 WrapperNode [2019-08-18 07:18:27,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:18:27,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:18:27,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:18:27,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:18:27,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:27" (1/1) ... [2019-08-18 07:18:27,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:27" (1/1) ... [2019-08-18 07:18:27,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:27" (1/1) ... [2019-08-18 07:18:27,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:27" (1/1) ... [2019-08-18 07:18:27,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:27" (1/1) ... [2019-08-18 07:18:27,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:27" (1/1) ... [2019-08-18 07:18:27,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:27" (1/1) ... [2019-08-18 07:18:27,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:18:27,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:18:27,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:18:27,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:18:27,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:27" (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 [2019-08-18 07:18:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:18:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:18:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-18 07:18:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-18 07:18:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-18 07:18:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-08-18 07:18:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_length [2019-08-18 07:18:27,455 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-08-18 07:18:27,455 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:18:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:18:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-18 07:18:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-18 07:18:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-18 07:18:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-18 07:18:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-18 07:18:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-18 07:18:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-18 07:18:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-18 07:18:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-18 07:18:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-18 07:18:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-18 07:18:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-18 07:18:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-18 07:18:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-18 07:18:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-18 07:18:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-18 07:18:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-18 07:18:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-18 07:18:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-18 07:18:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-18 07:18:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-18 07:18:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-18 07:18:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-18 07:18:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-18 07:18:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-18 07:18:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-18 07:18:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-18 07:18:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-18 07:18:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-18 07:18:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-18 07:18:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-18 07:18:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-18 07:18:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-18 07:18:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-18 07:18:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-18 07:18:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-18 07:18:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-18 07:18:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-18 07:18:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-18 07:18:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-18 07:18:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-18 07:18:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-18 07:18:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-18 07:18:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-18 07:18:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-18 07:18:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-18 07:18:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-18 07:18:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-18 07:18:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-18 07:18:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-18 07:18:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-18 07:18:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-18 07:18:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-18 07:18:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-18 07:18:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-18 07:18:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-18 07:18:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-18 07:18:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-18 07:18:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-18 07:18:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-18 07:18:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-18 07:18:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-18 07:18:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-18 07:18:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-18 07:18:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-18 07:18:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-18 07:18:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-18 07:18:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-18 07:18:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-18 07:18:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-18 07:18:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-18 07:18:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-18 07:18:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-18 07:18:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-18 07:18:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-18 07:18:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-18 07:18:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-18 07:18:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-18 07:18:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-18 07:18:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-18 07:18:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-18 07:18:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-18 07:18:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-18 07:18:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-18 07:18:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-18 07:18:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-18 07:18:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-18 07:18:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-18 07:18:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-18 07:18:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-18 07:18:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-18 07:18:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-18 07:18:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-18 07:18:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-18 07:18:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-18 07:18:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-18 07:18:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-18 07:18:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-18 07:18:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-18 07:18:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-18 07:18:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-18 07:18:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-18 07:18:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-18 07:18:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-18 07:18:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-18 07:18:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-18 07:18:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-18 07:18:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-08-18 07:18:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-18 07:18:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 07:18:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure sll_length [2019-08-18 07:18:27,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 07:18:27,488 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-08-18 07:18:27,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 07:18:27,488 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:18:27,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:18:27,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:18:27,836 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-18 07:18:27,974 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:18:27,975 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-18 07:18:27,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:18:27 BoogieIcfgContainer [2019-08-18 07:18:27,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:18:27,977 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:18:27,978 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:18:27,978 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:18:27,979 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:18:27" (1/1) ... [2019-08-18 07:18:27,991 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:18:27,994 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:18:28,000 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:18:28,009 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:18:28,011 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:18:28,101 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 07:18:28,102 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:28,117 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:28,118 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:28,118 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 07:18:28,129 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 20 [2019-08-18 07:18:28,190 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_7|], 1=[|v_#valid_16|]} [2019-08-18 07:18:28,203 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2019-08-18 07:18:28,204 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:28,255 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:28,268 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 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-18 07:18:28,269 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:28,308 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:28,308 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:28,309 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:39 [2019-08-18 07:18:28,310 WARN L89 DagInterpreter]: A function never reaches its return [2019-08-18 07:18:28,342 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 69 treesize of output 65 [2019-08-18 07:18:28,343 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:28,358 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:18:28,358 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:28,463 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-08-18 07:18:28,463 INFO L567 ElimStorePlain]: treesize reduction 4, result has 93.8 percent of original size [2019-08-18 07:18:28,479 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 11 treesize of output 7 [2019-08-18 07:18:28,479 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:28,523 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:28,524 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:28,526 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:139, output treesize:57 [2019-08-18 07:18:28,566 INFO L392 ElimStorePlain]: Different costs {1=[|v_#length_8|], 3=[|v_#valid_17|]} [2019-08-18 07:18:28,584 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:18:28,586 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 14 [2019-08-18 07:18:28,587 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:28,704 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2019-08-18 07:18:28,705 INFO L567 ElimStorePlain]: treesize reduction 5, result has 93.8 percent of original size [2019-08-18 07:18:28,732 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:28,733 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-08-18 07:18:28,734 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:28,845 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-08-18 07:18:28,845 INFO L567 ElimStorePlain]: treesize reduction 14, result has 83.9 percent of original size [2019-08-18 07:18:28,846 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:28,846 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:81, output treesize:73 [2019-08-18 07:18:28,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:28,871 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_1, v_prenex_2], 2=[|v_#memory_$Pointer$.offset_10|, |v_#memory_$Pointer$.base_10|]} [2019-08-18 07:18:28,885 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:18:28,886 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:28,906 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 69 treesize of output 65 [2019-08-18 07:18:28,907 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:29,217 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-08-18 07:18:29,218 INFO L567 ElimStorePlain]: treesize reduction 112, result has 59.1 percent of original size [2019-08-18 07:18:29,230 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 61 treesize of output 57 [2019-08-18 07:18:29,231 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:29,359 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-08-18 07:18:29,359 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:29,372 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 100 treesize of output 99 [2019-08-18 07:18:29,374 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:29,503 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-08-18 07:18:29,504 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:29,523 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 96 treesize of output 95 [2019-08-18 07:18:29,524 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:29,735 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-08-18 07:18:29,736 INFO L567 ElimStorePlain]: treesize reduction 4, result has 97.3 percent of original size [2019-08-18 07:18:29,737 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-18 07:18:29,738 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:347, output treesize:163 [2019-08-18 07:18:29,740 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:29,753 INFO L392 ElimStorePlain]: Different costs {1=[|v_#length_9|], 3=[|v_#valid_18|, v_prenex_4], 6=[v_prenex_3]} [2019-08-18 07:18:29,762 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:18:29,767 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 81 treesize of output 83 [2019-08-18 07:18:29,768 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:30,051 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2019-08-18 07:18:30,052 INFO L567 ElimStorePlain]: treesize reduction 10, result has 95.2 percent of original size [2019-08-18 07:18:30,077 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:30,078 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 97 [2019-08-18 07:18:30,079 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:30,376 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-08-18 07:18:30,376 INFO L567 ElimStorePlain]: treesize reduction 14, result has 93.4 percent of original size [2019-08-18 07:18:30,388 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:18:30,390 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:18:30,392 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:18:30,399 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 129 [2019-08-18 07:18:30,401 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:30,531 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-08-18 07:18:30,532 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:30,544 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:18:30,600 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:30,602 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 123 treesize of output 186 [2019-08-18 07:18:30,604 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:30,910 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-08-18 07:18:30,911 INFO L567 ElimStorePlain]: treesize reduction 40, result has 83.5 percent of original size [2019-08-18 07:18:30,912 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-08-18 07:18:30,913 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:211, output treesize:203 [2019-08-18 07:18:30,937 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 07:18:30,938 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:30,954 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:30,964 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 07:18:30,964 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:30,971 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:30,972 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:30,973 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2019-08-18 07:18:30,977 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_10|], 1=[|v_#valid_19|]} [2019-08-18 07:18:30,981 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2019-08-18 07:18:30,982 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:30,998 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:31,003 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 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-18 07:18:31,004 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:31,022 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:31,022 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:31,023 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:30 [2019-08-18 07:18:31,034 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 07:18:31,035 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:31,042 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:31,044 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 07:18:31,045 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:18:31,051 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:18:31,052 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:18:31,052 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2019-08-18 07:18:31,055 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:31,062 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:31,062 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:31,064 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:31,069 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:18:31,076 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:18:31,077 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:18:31,079 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 152#(or (<= main_~len~1 2147483646) (<= 0 (+ main_~len~1 2147483647))) [2019-08-18 07:18:31,089 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 07:18:31,089 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:18:31,091 INFO L168 Benchmark]: Toolchain (without parser) took 4431.89 ms. Allocated memory was 138.9 MB in the beginning and 264.2 MB in the end (delta: 125.3 MB). Free memory was 84.7 MB in the beginning and 175.4 MB in the end (delta: -90.7 MB). Peak memory consumption was 129.5 MB. Max. memory is 7.1 GB. [2019-08-18 07:18:31,092 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 07:18:31,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.69 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 84.5 MB in the beginning and 162.0 MB in the end (delta: -77.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-08-18 07:18:31,093 INFO L168 Benchmark]: Boogie Preprocessor took 64.46 ms. Allocated memory is still 199.2 MB. Free memory was 162.0 MB in the beginning and 159.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-18 07:18:31,094 INFO L168 Benchmark]: RCFGBuilder took 577.69 ms. Allocated memory is still 199.2 MB. Free memory was 159.6 MB in the beginning and 117.9 MB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. [2019-08-18 07:18:31,095 INFO L168 Benchmark]: Symbolic Interpretation took 3111.80 ms. Allocated memory was 199.2 MB in the beginning and 264.2 MB in the end (delta: 65.0 MB). Free memory was 117.9 MB in the beginning and 175.4 MB in the end (delta: -57.5 MB). Peak memory consumption was 102.4 MB. Max. memory is 7.1 GB. [2019-08-18 07:18:31,099 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 602]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 152#(or (<= main_~len~1 2147483646) (<= 0 (+ main_~len~1 2147483647))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 673.69 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 84.5 MB in the beginning and 162.0 MB in the end (delta: -77.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.46 ms. Allocated memory is still 199.2 MB. Free memory was 162.0 MB in the beginning and 159.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 577.69 ms. Allocated memory is still 199.2 MB. Free memory was 159.6 MB in the beginning and 117.9 MB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3111.80 ms. Allocated memory was 199.2 MB in the beginning and 264.2 MB in the end (delta: 65.0 MB). Free memory was 117.9 MB in the beginning and 175.4 MB in the end (delta: -57.5 MB). Peak memory consumption was 102.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...