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/heap-manipulation/tree-4.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:08:08,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:08:08,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:08:08,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:08:08,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:08:08,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:08:08,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:08:08,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:08:08,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:08:08,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:08:08,827 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:08:08,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:08:08,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:08:08,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:08:08,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:08:08,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:08:08,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:08:08,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:08:08,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:08:08,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:08:08,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:08:08,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:08:08,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:08:08,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:08:08,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 20:08:08,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 20:08:08,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 20:08:08,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 20:08:08,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 20:08:08,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 20:08:08,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:08:08,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:08:08,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:08:08,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:08:08,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:08:08,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:08:08,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:08:08,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:08:08,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:08:08,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:08:08,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:08:08,868 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 [2019-08-14 20:08:08,890 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:08:08,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:08:08,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:08:08,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:08:08,892 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:08:08,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:08:08,893 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:08:08,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:08:08,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:08:08,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:08:08,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:08:08,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:08:08,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:08:08,895 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:08:08,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:08:08,896 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:08:08,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:08:08,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:08:08,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:08:08,896 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:08:08,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:08:08,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:08:08,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:08:08,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:08:08,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:08:08,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:08:08,898 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:08:08,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:08:08,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:08:08,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:08:08,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:08:08,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:08:08,950 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:08:08,950 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:08:08,951 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/tree-4.i [2019-08-14 20:08:09,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3e7e3ef0/075f1021d347417ba7d450eb2a5f8907/FLAG5d4f82391 [2019-08-14 20:08:09,551 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:08:09,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/tree-4.i [2019-08-14 20:08:09,565 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3e7e3ef0/075f1021d347417ba7d450eb2a5f8907/FLAG5d4f82391 [2019-08-14 20:08:09,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3e7e3ef0/075f1021d347417ba7d450eb2a5f8907 [2019-08-14 20:08:09,883 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:08:09,887 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:08:09,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:08:09,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:08:09,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:08:09,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:08:09" (1/1) ... [2019-08-14 20:08:09,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a0525d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:08:09, skipping insertion in model container [2019-08-14 20:08:09,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:08:09" (1/1) ... [2019-08-14 20:08:09,902 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:08:09,951 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:08:10,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:08:10,387 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:08:10,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:08:10,510 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:08:10,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:08:10 WrapperNode [2019-08-14 20:08:10,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:08:10,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:08:10,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:08:10,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:08:10,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:08:10" (1/1) ... [2019-08-14 20:08:10,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:08:10" (1/1) ... [2019-08-14 20:08:10,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:08:10" (1/1) ... [2019-08-14 20:08:10,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:08:10" (1/1) ... [2019-08-14 20:08:10,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:08:10" (1/1) ... [2019-08-14 20:08:10,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:08:10" (1/1) ... [2019-08-14 20:08:10,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:08:10" (1/1) ... [2019-08-14 20:08:10,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:08:10,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:08:10,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:08:10,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:08:10,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:08:10" (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 [2019-08-14 20:08:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:08:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:08:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-14 20:08:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-14 20:08:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2019-08-14 20:08:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2019-08-14 20:08:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure create_tree [2019-08-14 20:08:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tree [2019-08-14 20:08:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:08:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:08:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-14 20:08:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-14 20:08:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-14 20:08:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-14 20:08:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-14 20:08:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-14 20:08:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-14 20:08:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-14 20:08:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-14 20:08:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-14 20:08:10,644 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-14 20:08:10,644 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-14 20:08:10,644 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-14 20:08:10,644 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-14 20:08:10,644 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-14 20:08:10,644 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-14 20:08:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-14 20:08:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-14 20:08:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-14 20:08:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-14 20:08:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-14 20:08:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-14 20:08:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-14 20:08:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-14 20:08:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-14 20:08:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-14 20:08:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-14 20:08:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-14 20:08:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-14 20:08:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-14 20:08:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-14 20:08:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-14 20:08:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-14 20:08:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-14 20:08:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-14 20:08:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-14 20:08:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-14 20:08:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-14 20:08:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-14 20:08:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-14 20:08:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-14 20:08:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-14 20:08:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-14 20:08:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-14 20:08:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-14 20:08:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-14 20:08:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-14 20:08:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-14 20:08:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-14 20:08:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-14 20:08:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-14 20:08:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-14 20:08:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-14 20:08:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-14 20:08:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-14 20:08:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-14 20:08:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-14 20:08:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-14 20:08:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-14 20:08:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-14 20:08:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-14 20:08:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-14 20:08:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-14 20:08:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 20:08:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-14 20:08:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-14 20:08:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-14 20:08:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-14 20:08:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-14 20:08:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-14 20:08:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-14 20:08:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-14 20:08:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-14 20:08:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-14 20:08:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-14 20:08:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-14 20:08:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-14 20:08:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-14 20:08:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-14 20:08:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-14 20:08:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-14 20:08:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-14 20:08:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-14 20:08:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-14 20:08:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-14 20:08:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-14 20:08:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-14 20:08:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-14 20:08:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-14 20:08:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-14 20:08:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-14 20:08:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-14 20:08:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-14 20:08:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-14 20:08:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-14 20:08:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-14 20:08:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-14 20:08:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-14 20:08:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-14 20:08:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-14 20:08:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-14 20:08:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-14 20:08:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 20:08:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2019-08-14 20:08:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2019-08-14 20:08:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-14 20:08:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:08:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure create_tree [2019-08-14 20:08:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-14 20:08:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-14 20:08:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:08:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure free_tree [2019-08-14 20:08:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:08:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:08:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:08:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:08:11,292 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:08:11,292 INFO L283 CfgBuilder]: Removed 11 assume(true) statements. [2019-08-14 20:08:11,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:08:11 BoogieIcfgContainer [2019-08-14 20:08:11,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:08:11,294 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:08:11,294 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:08:11,294 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:08:11,295 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:08:11" (1/1) ... [2019-08-14 20:08:11,584 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:12,332 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-08-14 20:08:12,352 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:12,544 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-08-14 20:08:12,797 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-08-14 20:08:13,189 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-08-14 20:08:13,572 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-08-14 20:08:13,868 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-08-14 20:08:14,159 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-14 20:08:14,575 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2019-08-14 20:08:14,990 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-08-14 20:08:15,257 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-08-14 20:08:15,589 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 78 [2019-08-14 20:08:15,807 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-08-14 20:08:16,028 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-08-14 20:08:16,449 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2019-08-14 20:08:16,915 WARN L188 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-08-14 20:08:17,697 WARN L188 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 115 [2019-08-14 20:08:18,003 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-14 20:08:18,907 WARN L188 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 102 [2019-08-14 20:08:19,221 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-14 20:08:19,246 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:19,589 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:20,003 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-08-14 20:08:20,032 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:20,062 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:20,073 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:20,542 WARN L188 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-08-14 20:08:21,056 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2019-08-14 20:08:21,532 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2019-08-14 20:08:21,667 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:22,053 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:22,061 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:22,085 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:22,492 WARN L188 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-08-14 20:08:22,966 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2019-08-14 20:08:23,416 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2019-08-14 20:08:23,489 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:24,085 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-08-14 20:08:24,105 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:24,314 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-08-14 20:08:24,611 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-08-14 20:08:24,984 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-08-14 20:08:25,403 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-08-14 20:08:25,647 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-08-14 20:08:25,875 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-08-14 20:08:26,259 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2019-08-14 20:08:26,622 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-08-14 20:08:26,788 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-08-14 20:08:27,015 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-08-14 20:08:27,244 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-08-14 20:08:27,667 WARN L188 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2019-08-14 20:08:28,125 WARN L188 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-08-14 20:08:28,946 WARN L188 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 117 [2019-08-14 20:08:29,250 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-08-14 20:08:29,875 WARN L188 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 104 [2019-08-14 20:08:30,185 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-08-14 20:08:30,194 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:30,537 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:30,903 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:30,921 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:30,928 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:31,364 WARN L188 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-08-14 20:08:31,858 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2019-08-14 20:08:32,325 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2019-08-14 20:08:32,488 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:32,853 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-08-14 20:08:32,874 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:32,933 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:32,940 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:33,382 WARN L188 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-08-14 20:08:33,902 WARN L188 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2019-08-14 20:08:34,353 WARN L188 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2019-08-14 20:08:35,030 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:08:36,302 WARN L188 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 115 [2019-08-14 20:08:37,262 WARN L188 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-08-14 20:08:38,271 WARN L188 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-08-14 20:08:39,650 WARN L188 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 118 [2019-08-14 20:08:41,424 WARN L188 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 122 [2019-08-14 20:08:43,182 WARN L188 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 270 DAG size of output: 210