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-ext2-properties/simple_and_skiplist_2lvl-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 04:00:39,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 04:00:39,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 04:00:39,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 04:00:39,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 04:00:39,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 04:00:39,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 04:00:39,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 04:00:39,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 04:00:39,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 04:00:39,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 04:00:39,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 04:00:39,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 04:00:39,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 04:00:39,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 04:00:39,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 04:00:39,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 04:00:39,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 04:00:39,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 04:00:39,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 04:00:39,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 04:00:39,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 04:00:39,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 04:00:39,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 04:00:39,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 04:00:39,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 04:00:39,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 04:00:39,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 04:00:39,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 04:00:39,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 04:00:39,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 04:00:39,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 04:00:39,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 04:00:39,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 04:00:39,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 04:00:39,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 04:00:39,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 04:00:39,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 04:00:39,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 04:00:39,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 04:00:39,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 04:00:39,780 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 [2019-08-31 04:00:39,804 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 04:00:39,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 04:00:39,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 04:00:39,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 04:00:39,807 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 04:00:39,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 04:00:39,807 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 04:00:39,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 04:00:39,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 04:00:39,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 04:00:39,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 04:00:39,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 04:00:39,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 04:00:39,810 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 04:00:39,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 04:00:39,810 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 04:00:39,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 04:00:39,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 04:00:39,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 04:00:39,811 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 04:00:39,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 04:00:39,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 04:00:39,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 04:00:39,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 04:00:39,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 04:00:39,813 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 04:00:39,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 04:00:39,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 04:00:39,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 04:00:39,845 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 04:00:39,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 04:00:39,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 04:00:39,866 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 04:00:39,866 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 04:00:39,867 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-08-31 04:00:39,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4053d047e/e2e4a9d9dda8442b9f42743b3b4166cb/FLAG4be3bdaa8 [2019-08-31 04:00:40,459 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 04:00:40,461 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-08-31 04:00:40,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4053d047e/e2e4a9d9dda8442b9f42743b3b4166cb/FLAG4be3bdaa8 [2019-08-31 04:00:40,787 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4053d047e/e2e4a9d9dda8442b9f42743b3b4166cb [2019-08-31 04:00:40,796 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 04:00:40,797 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 04:00:40,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 04:00:40,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 04:00:40,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 04:00:40,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:00:40" (1/1) ... [2019-08-31 04:00:40,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112690c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:00:40, skipping insertion in model container [2019-08-31 04:00:40,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:00:40" (1/1) ... [2019-08-31 04:00:40,812 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 04:00:40,864 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 04:00:41,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 04:00:41,298 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 04:00:41,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 04:00:41,410 INFO L192 MainTranslator]: Completed translation [2019-08-31 04:00:41,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:00:41 WrapperNode [2019-08-31 04:00:41,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 04:00:41,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 04:00:41,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 04:00:41,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 04:00:41,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:00:41" (1/1) ... [2019-08-31 04:00:41,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:00:41" (1/1) ... [2019-08-31 04:00:41,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:00:41" (1/1) ... [2019-08-31 04:00:41,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:00:41" (1/1) ... [2019-08-31 04:00:41,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:00:41" (1/1) ... [2019-08-31 04:00:41,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:00:41" (1/1) ... [2019-08-31 04:00:41,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:00:41" (1/1) ... [2019-08-31 04:00:41,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 04:00:41,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 04:00:41,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 04:00:41,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 04:00:41,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:00:41" (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 [2019-08-31 04:00:41,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 04:00:41,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 04:00:41,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-31 04:00:41,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-31 04:00:41,542 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-31 04:00:41,542 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die [2019-08-31 04:00:41,542 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sl_with_head_and_tail [2019-08-31 04:00:41,543 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_random_insert [2019-08-31 04:00:41,543 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_sl [2019-08-31 04:00:41,543 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 04:00:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 04:00:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 04:00:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-31 04:00:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-31 04:00:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-31 04:00:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-31 04:00:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-31 04:00:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-31 04:00:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-31 04:00:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-31 04:00:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-31 04:00:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-31 04:00:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-31 04:00:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-31 04:00:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-31 04:00:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-31 04:00:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-31 04:00:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-31 04:00:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-31 04:00:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-31 04:00:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-31 04:00:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-31 04:00:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-31 04:00:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-31 04:00:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-31 04:00:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-31 04:00:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-31 04:00:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-31 04:00:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-31 04:00:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-31 04:00:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-31 04:00:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-31 04:00:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-31 04:00:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-31 04:00:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-31 04:00:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-31 04:00:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-31 04:00:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-31 04:00:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-31 04:00:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-31 04:00:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-31 04:00:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-31 04:00:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-31 04:00:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-31 04:00:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-31 04:00:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-31 04:00:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-31 04:00:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-31 04:00:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-31 04:00:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-31 04:00:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-31 04:00:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-31 04:00:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-31 04:00:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-31 04:00:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-31 04:00:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-31 04:00:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-31 04:00:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-31 04:00:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-31 04:00:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-31 04:00:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-31 04:00:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-31 04:00:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-31 04:00:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-31 04:00:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-31 04:00:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-31 04:00:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-31 04:00:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-31 04:00:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-31 04:00:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-31 04:00:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-31 04:00:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-31 04:00:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-31 04:00:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-31 04:00:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-31 04:00:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-31 04:00:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-31 04:00:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-31 04:00:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-31 04:00:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-31 04:00:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-31 04:00:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-31 04:00:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-31 04:00:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-31 04:00:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-31 04:00:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-31 04:00:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-31 04:00:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-31 04:00:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-31 04:00:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-31 04:00:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-31 04:00:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-31 04:00:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-31 04:00:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-31 04:00:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-31 04:00:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-31 04:00:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-31 04:00:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-31 04:00:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-31 04:00:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-31 04:00:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-31 04:00:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-31 04:00:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-31 04:00:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-31 04:00:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-31 04:00:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-31 04:00:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-31 04:00:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-31 04:00:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die [2019-08-31 04:00:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-31 04:00:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure create_sl_with_head_and_tail [2019-08-31 04:00:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-31 04:00:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-31 04:00:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure sl_random_insert [2019-08-31 04:00:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_sl [2019-08-31 04:00:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 04:00:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 04:00:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 04:00:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 04:00:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 04:00:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 04:00:41,939 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-31 04:00:42,302 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 04:00:42,303 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-31 04:00:42,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:00:42 BoogieIcfgContainer [2019-08-31 04:00:42,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 04:00:42,305 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 04:00:42,305 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 04:00:42,306 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 04:00:42,307 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:00:42" (1/1) ... [2019-08-31 04:00:42,343 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 04:00:42,344 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 04:00:42,351 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 04:00:42,360 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 04:00:42,361 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 04:00:42,473 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 [2019-08-31 04:00:42,474 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:42,488 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:00:42,488 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 04:00:42,489 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 04:00:42,502 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-08-31 04:00:42,552 WARN L98 DagInterpreter]: A function never reaches its return [2019-08-31 04:00:42,634 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:42,655 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:42,673 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:42,696 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:43,198 WARN L188 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 86 [2019-08-31 04:00:43,199 INFO L567 ElimStorePlain]: treesize reduction 648, result has 20.3 percent of original size [2019-08-31 04:00:43,204 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:43,301 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:00:43,302 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:43,302 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:861, output treesize:153 [2019-08-31 04:00:43,329 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 04:00:43,366 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:44,582 WARN L188 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 129 DAG size of output: 119 [2019-08-31 04:00:44,583 INFO L567 ElimStorePlain]: treesize reduction 178, result has 66.5 percent of original size [2019-08-31 04:00:44,585 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2019-08-31 04:00:44,586 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:527, output treesize:353 [2019-08-31 04:00:44,641 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:44,662 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:44,680 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:44,689 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:48,043 WARN L188 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 158 DAG size of output: 142 [2019-08-31 04:00:48,043 INFO L567 ElimStorePlain]: treesize reduction 433, result has 49.1 percent of original size [2019-08-31 04:00:48,054 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:48,066 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:48,818 WARN L188 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-08-31 04:00:48,819 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:00:48,822 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2019-08-31 04:00:48,822 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:899, output treesize:394 [2019-08-31 04:00:48,852 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 04:00:48,853 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 04:00:48,901 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:48,950 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:49,020 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:01:11,928 WARN L188 SmtUtils]: Spent 22.91 s on a formula simplification. DAG size of input: 210 DAG size of output: 200 [2019-08-31 04:01:11,929 INFO L567 ElimStorePlain]: treesize reduction 199, result has 83.0 percent of original size [2019-08-31 04:01:11,932 INFO L496 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-2 vars, End of recursive call: 13 dim-0 vars, and 4 xjuncts. [2019-08-31 04:01:11,932 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 11 variables, input treesize:1136, output treesize:975 [2019-08-31 04:01:12,052 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:01:12,122 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:01:12,148 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:01:12,158 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:01:12,171 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:01:12,949 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:01:13,073 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:01:13,097 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:02:25,798 WARN L188 SmtUtils]: Spent 1.21 m on a formula simplification. DAG size of input: 257 DAG size of output: 229 [2019-08-31 04:02:25,799 INFO L567 ElimStorePlain]: treesize reduction 1127, result has 49.3 percent of original size [2019-08-31 04:02:25,851 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:02:26,008 INFO L496 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:02:26,092 INFO L496 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:02:26,387 INFO L496 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:02:47,375 WARN L188 SmtUtils]: Spent 20.99 s on a formula simplification that was a NOOP. DAG size: 226 [2019-08-31 04:02:47,376 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:02:47,380 INFO L496 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 2 dim-2 vars, End of recursive call: 24 dim-0 vars, and 4 xjuncts. [2019-08-31 04:02:47,380 INFO L221 ElimStorePlain]: Needed 13 recursive calls to eliminate 16 variables, input treesize:2319, output treesize:1048 [2019-08-31 04:02:51,421 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_45|, |v_#memory_int_45|, |v_#memory_$Pointer$.offset_45|], 2=[|v_#memory_$Pointer$.offset_19|, |v_#memory_$Pointer$.base_19|]} [2019-08-31 04:02:51,428 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-31 04:02:51,428 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 04:02:51,453 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:02:51,460 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 04:02:51,463 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 22 treesize of output 7 [2019-08-31 04:02:51,463 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 04:02:51,482 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:02:51,487 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-31 04:02:51,487 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 04:02:51,500 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:02:51,505 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 13 treesize of output 9 [2019-08-31 04:02:51,505 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 04:02:51,516 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:02:51,520 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 13 treesize of output 9 [2019-08-31 04:02:51,521 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 04:02:51,536 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:02:51,536 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 5 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-31 04:02:51,537 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:85, output treesize:32 [2019-08-31 04:02:51,562 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 04:02:51,621 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_46|, |v_#memory_$Pointer$.offset_46|, |v_#memory_int_46|], 2=[|v_#memory_$Pointer$.offset_19|, |v_#memory_$Pointer$.base_19|]} [2019-08-31 04:02:51,627 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-31 04:02:51,627 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 04:02:51,649 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:02:51,655 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-31 04:02:51,655 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 04:02:51,672 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:02:51,677 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 04:02:51,678 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 22 treesize of output 7 [2019-08-31 04:02:51,678 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 04:02:51,691 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:02:51,695 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 13 treesize of output 9 [2019-08-31 04:02:51,695 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 04:02:51,706 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:02:51,710 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 13 treesize of output 9 [2019-08-31 04:02:51,710 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 04:02:51,724 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:02:51,725 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 5 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-31 04:02:51,725 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:85, output treesize:32 [2019-08-31 04:02:51,729 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 04:02:51,729 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 04:02:51,731 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 185#(exists ((v_main_~p~0.offset_19 Int) (v_main_~p~0.offset_18 Int) (v_main_~p~0.base_19 Int) (v_main_~p~0.base_18 Int)) (or (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4))) (not (= 0 main_~p~0.base))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (not (= 0 main_~p~0.base)) (= main_~a~0.offset main_~p~0.offset)) (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (= main_~a~0.offset main_~p~0.offset)))) [2019-08-31 04:02:51,746 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 04:02:51,746 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 04:02:51,748 INFO L168 Benchmark]: Toolchain (without parser) took 130951.04 ms. Allocated memory was 132.1 MB in the beginning and 318.8 MB in the end (delta: 186.6 MB). Free memory was 85.7 MB in the beginning and 170.3 MB in the end (delta: -84.6 MB). Peak memory consumption was 102.1 MB. Max. memory is 7.1 GB. [2019-08-31 04:02:51,749 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 132.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 04:02:51,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.16 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 85.5 MB in the beginning and 162.1 MB in the end (delta: -76.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-08-31 04:02:51,751 INFO L168 Benchmark]: Boogie Preprocessor took 75.88 ms. Allocated memory is still 199.2 MB. Free memory was 162.1 MB in the beginning and 158.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-08-31 04:02:51,751 INFO L168 Benchmark]: RCFGBuilder took 816.52 ms. Allocated memory is still 199.2 MB. Free memory was 158.3 MB in the beginning and 102.8 MB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2019-08-31 04:02:51,752 INFO L168 Benchmark]: Sifa took 129441.57 ms. Allocated memory was 199.2 MB in the beginning and 318.8 MB in the end (delta: 119.5 MB). Free memory was 102.8 MB in the beginning and 170.3 MB in the end (delta: -67.4 MB). Peak memory consumption was 52.1 MB. Max. memory is 7.1 GB. [2019-08-31 04:02:51,756 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 132.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 613.16 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 85.5 MB in the beginning and 162.1 MB in the end (delta: -76.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.88 ms. Allocated memory is still 199.2 MB. Free memory was 162.1 MB in the beginning and 158.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 816.52 ms. Allocated memory is still 199.2 MB. Free memory was 158.3 MB in the beginning and 102.8 MB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. * Sifa took 129441.57 ms. Allocated memory was 199.2 MB in the beginning and 318.8 MB in the end (delta: 119.5 MB). Free memory was 102.8 MB in the beginning and 170.3 MB in the end (delta: -67.4 MB). Peak memory consumption was 52.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 129.4s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 65 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 1 DAG_INTERPRETER_EARLY_EXITS, 53 TOOLS_POST_APPLICATIONS, 125.1s TOOLS_POST_TIME, 6 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 5 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 125.1s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 71 FLUID_QUERIES, 3 FLUID_YES_ANSWERS, 21 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 3 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 4 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 6 DOMAIN_ISSUBSETEQ_APPLICATIONS, 4.1s DOMAIN_ISSUBSETEQ_TIME, 12 DOMAIN_ISBOTTOM_APPLICATIONS, 0.1s DOMAIN_ISBOTTOM_TIME, 3 LOOP_SUMMARIZER_APPLICATIONS, 2 LOOP_SUMMARIZER_CACHE_MISSES, 128.9s LOOP_SUMMARIZER_OVERALL_TIME, 128.9s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 6 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 5 CALL_SUMMARIZER_APPLICATIONS, 2 CALL_SUMMARIZER_CACHE_MISSES, 0.1s CALL_SUMMARIZER_OVERALL_TIME, 0.1s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 145 DAG_COMPRESSION_PROCESSED_NODES, 87 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 601]: 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 185#(exists ((v_main_~p~0.offset_19 Int) (v_main_~p~0.offset_18 Int) (v_main_~p~0.base_19 Int) (v_main_~p~0.base_18 Int)) (or (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4))) (not (= 0 main_~p~0.base))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (not (= 0 main_~p~0.base)) (= main_~a~0.offset main_~p~0.offset)) (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (= main_~a~0.offset main_~p~0.offset)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...