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/ldv-regression/rule60_list.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:26:25,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:26:25,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:26:25,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:26:25,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:26:25,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:26:25,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:26:25,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:26:25,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:26:25,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:26:25,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:26:25,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:26:25,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:26:25,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:26:25,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:26:25,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:26:25,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:26:25,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:26:25,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:26:25,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:26:25,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:26:25,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:26:25,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:26:25,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:26:25,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 03:26:25,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 03:26:25,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 03:26:25,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 03:26:25,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 03:26:25,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 03:26:25,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 03:26:25,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 03:26:25,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 03:26:25,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 03:26:25,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 03:26:25,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 03:26:25,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 03:26:25,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 03:26:25,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:26:25,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:26:25,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:26:25,073 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 03:26:25,096 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:26:25,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:26:25,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:26:25,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:26:25,100 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:26:25,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:26:25,100 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:26:25,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:26:25,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:26:25,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:26:25,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:26:25,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:26:25,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:26:25,101 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:26:25,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:26:25,102 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:26:25,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:26:25,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:26:25,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:26:25,103 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:26:25,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:26:25,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:26:25,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:26:25,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:26:25,104 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:26:25,104 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:26:25,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:26:25,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:26:25,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:26:25,149 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:26:25,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:26:25,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:26:25,171 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:26:25,172 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:26:25,172 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list.i [2019-08-31 03:26:25,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7d0bb7d3/8204e246d62c451186308781b6b1fe58/FLAG956ef99ee [2019-08-31 03:26:25,772 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:26:25,773 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list.i [2019-08-31 03:26:25,785 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7d0bb7d3/8204e246d62c451186308781b6b1fe58/FLAG956ef99ee [2019-08-31 03:26:26,062 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7d0bb7d3/8204e246d62c451186308781b6b1fe58 [2019-08-31 03:26:26,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:26:26,075 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:26:26,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:26:26,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:26:26,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:26:26,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:26:26" (1/1) ... [2019-08-31 03:26:26,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e5936c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:26, skipping insertion in model container [2019-08-31 03:26:26,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:26:26" (1/1) ... [2019-08-31 03:26:26,093 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:26:26,151 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:26:26,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:26:26,614 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:26:26,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:26:26,730 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:26:26,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:26 WrapperNode [2019-08-31 03:26:26,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:26:26,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:26:26,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:26:26,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:26:26,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:26" (1/1) ... [2019-08-31 03:26:26,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:26" (1/1) ... [2019-08-31 03:26:26,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:26" (1/1) ... [2019-08-31 03:26:26,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:26" (1/1) ... [2019-08-31 03:26:26,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:26" (1/1) ... [2019-08-31 03:26:26,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:26" (1/1) ... [2019-08-31 03:26:26,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:26" (1/1) ... [2019-08-31 03:26:26,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:26:26,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:26:26,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:26:26,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:26:26,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:26" (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 03:26:26,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:26:26,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:26:26,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-08-31 03:26:26,934 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-08-31 03:26:26,934 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-08-31 03:26:26,934 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:26:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:26:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-08-31 03:26:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-08-31 03:26:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-08-31 03:26:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-08-31 03:26:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-08-31 03:26:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-08-31 03:26:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-08-31 03:26:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-08-31 03:26:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-08-31 03:26:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-08-31 03:26:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-08-31 03:26:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-08-31 03:26:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-08-31 03:26:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-08-31 03:26:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-08-31 03:26:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-08-31 03:26:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-08-31 03:26:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-08-31 03:26:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-08-31 03:26:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-08-31 03:26:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-08-31 03:26:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-08-31 03:26:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-08-31 03:26:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-08-31 03:26:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-08-31 03:26:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-08-31 03:26:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-08-31 03:26:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-08-31 03:26:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-08-31 03:26:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-08-31 03:26:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-08-31 03:26:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-08-31 03:26:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-08-31 03:26:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-08-31 03:26:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-08-31 03:26:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-08-31 03:26:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-08-31 03:26:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-08-31 03:26:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-08-31 03:26:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-08-31 03:26:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-08-31 03:26:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-08-31 03:26:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-08-31 03:26:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-08-31 03:26:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-08-31 03:26:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-08-31 03:26:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-08-31 03:26:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-08-31 03:26:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-08-31 03:26:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-08-31 03:26:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-08-31 03:26:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-08-31 03:26:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-08-31 03:26:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-08-31 03:26:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-08-31 03:26:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-08-31 03:26:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-08-31 03:26:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-08-31 03:26:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-08-31 03:26:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-08-31 03:26:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-08-31 03:26:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-08-31 03:26:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-08-31 03:26:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-08-31 03:26:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-08-31 03:26:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-08-31 03:26:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-08-31 03:26:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-08-31 03:26:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-08-31 03:26:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2019-08-31 03:26:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-08-31 03:26:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-08-31 03:26:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-08-31 03:26:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-08-31 03:26:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-08-31 03:26:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-08-31 03:26:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-08-31 03:26:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-08-31 03:26:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-08-31 03:26:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-08-31 03:26:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-08-31 03:26:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-08-31 03:26:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-08-31 03:26:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-08-31 03:26:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-08-31 03:26:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-08-31 03:26:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-08-31 03:26:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-08-31 03:26:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-08-31 03:26:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-08-31 03:26:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-08-31 03:26:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-08-31 03:26:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-08-31 03:26:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-08-31 03:26:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-08-31 03:26:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-08-31 03:26:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-08-31 03:26:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-08-31 03:26:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-08-31 03:26:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-08-31 03:26:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-08-31 03:26:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-08-31 03:26:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-31 03:26:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-31 03:26:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-31 03:26:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-31 03:26:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-31 03:26:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2019-08-31 03:26:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-31 03:26:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2019-08-31 03:26:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2019-08-31 03:26:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2019-08-31 03:26:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2019-08-31 03:26:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2019-08-31 03:26:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2019-08-31 03:26:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2019-08-31 03:26:26,966 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2019-08-31 03:26:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2019-08-31 03:26:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2019-08-31 03:26:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2019-08-31 03:26:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-08-31 03:26:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:26:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:26:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-08-31 03:26:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:26:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-31 03:26:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:26:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 03:26:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-31 03:26:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-31 03:26:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:26:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-31 03:26:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-31 03:26:26,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:26:27,482 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:26:27,482 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 03:26:27,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:26:27 BoogieIcfgContainer [2019-08-31 03:26:27,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:26:27,485 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:26:27,485 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:26:27,485 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:26:27,487 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:26:27" (1/1) ... [2019-08-31 03:26:27,532 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:26:27,532 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:26:27,540 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:26:27,549 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:26:27,551 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:26:27,638 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_9|], 3=[|v_#valid_10|]} [2019-08-31 03:26:27,672 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 [2019-08-31 03:26:27,673 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:27,738 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:27,744 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:27,756 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-08-31 03:26:27,757 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:27,862 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-08-31 03:26:27,863 INFO L567 ElimStorePlain]: treesize reduction 4, result has 94.5 percent of original size [2019-08-31 03:26:27,864 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:26:27,864 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:81, output treesize:69 [2019-08-31 03:26:27,887 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 57 for LOIs [2019-08-31 03:26:27,948 INFO L392 ElimStorePlain]: Different costs {1=[|v_old(#length)_BEFORE_CALL_1|], 6=[|v_old(#valid)_BEFORE_CALL_1|]} [2019-08-31 03:26:27,971 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:27,974 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-31 03:26:27,975 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:28,318 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-08-31 03:26:28,318 INFO L567 ElimStorePlain]: treesize reduction 12, result has 93.3 percent of original size [2019-08-31 03:26:28,334 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:28,345 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:28,346 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 33 [2019-08-31 03:26:28,348 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:28,602 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-08-31 03:26:28,603 INFO L567 ElimStorePlain]: treesize reduction 14, result has 91.8 percent of original size [2019-08-31 03:26:28,606 INFO L392 ElimStorePlain]: Different costs {2=[|v_old(#memory_int)_BEFORE_CALL_1|], 6=[|v_old(#memory_$Pointer$.base)_BEFORE_CALL_1|, |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_1|]} [2019-08-31 03:26:28,618 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:28,624 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2019-08-31 03:26:28,627 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:28,733 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-08-31 03:26:28,734 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:28,759 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:28,761 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:28,770 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 36 treesize of output 23 [2019-08-31 03:26:28,773 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:28,874 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-08-31 03:26:28,875 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:28,889 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:28,893 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:28,899 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 36 treesize of output 23 [2019-08-31 03:26:28,901 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:28,978 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:28,979 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:26:28,979 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:180, output treesize:115 [2019-08-31 03:26:29,012 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_17|, |v_#memory_$Pointer$.offset_17|], 2=[|v_#memory_int_19|]} [2019-08-31 03:26:29,018 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 19 treesize of output 1 [2019-08-31 03:26:29,019 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:29,040 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:29,049 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 19 treesize of output 1 [2019-08-31 03:26:29,050 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:29,070 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:29,076 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2019-08-31 03:26:29,076 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:29,089 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:29,090 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:26:29,090 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:73, output treesize:22 [2019-08-31 03:26:29,120 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:29,127 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:29,447 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-08-31 03:26:29,448 INFO L567 ElimStorePlain]: treesize reduction 169, result has 44.6 percent of original size [2019-08-31 03:26:29,452 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:29,524 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:29,524 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:26:29,525 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:343, output treesize:117 [2019-08-31 03:26:29,535 INFO L392 ElimStorePlain]: Different costs {1=[|v_old(#length)_BEFORE_CALL_2|], 6=[|v_old(#valid)_BEFORE_CALL_2|]} [2019-08-31 03:26:29,545 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:29,547 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-31 03:26:29,548 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:29,626 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:29,634 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:29,641 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:29,641 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 33 [2019-08-31 03:26:29,642 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:29,775 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2019-08-31 03:26:29,775 INFO L567 ElimStorePlain]: treesize reduction 16, result has 87.0 percent of original size [2019-08-31 03:26:29,777 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#memory_int)_BEFORE_CALL_2|], 2=[|v_old(#memory_$Pointer$.base)_BEFORE_CALL_2|, |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_2|]} [2019-08-31 03:26:29,784 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2019-08-31 03:26:29,785 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:29,849 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:29,862 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:29,866 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2019-08-31 03:26:29,866 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:29,919 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:29,926 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:29,929 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2019-08-31 03:26:29,930 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:29,974 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:29,974 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:26:29,975 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:118, output treesize:66 [2019-08-31 03:26:29,990 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_18|, |v_#memory_$Pointer$.base_18|], 2=[|v_#memory_int_20|]} [2019-08-31 03:26:29,995 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 19 treesize of output 1 [2019-08-31 03:26:29,995 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:30,028 INFO L567 ElimStorePlain]: treesize reduction 18, result has 72.7 percent of original size [2019-08-31 03:26:30,033 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 19 treesize of output 1 [2019-08-31 03:26:30,033 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:30,041 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:30,046 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2019-08-31 03:26:30,047 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:30,053 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:30,054 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:26:30,054 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:85, output treesize:16 [2019-08-31 03:26:30,068 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 9 treesize of output 3 [2019-08-31 03:26:30,069 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:30,132 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:30,133 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:26:30,133 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:126, output treesize:117 [2019-08-31 03:26:30,141 INFO L392 ElimStorePlain]: Different costs {1=[|v_old(#length)_BEFORE_CALL_3|], 6=[|v_old(#valid)_BEFORE_CALL_3|]} [2019-08-31 03:26:30,149 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:30,151 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-31 03:26:30,152 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:30,241 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:30,251 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:30,258 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:30,259 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 33 [2019-08-31 03:26:30,260 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:30,420 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-08-31 03:26:30,421 INFO L567 ElimStorePlain]: treesize reduction 8, result has 93.4 percent of original size [2019-08-31 03:26:30,423 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#memory_int)_BEFORE_CALL_3|], 2=[|v_old(#memory_$Pointer$.base)_BEFORE_CALL_3|, |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_3|]} [2019-08-31 03:26:30,431 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2019-08-31 03:26:30,432 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:30,495 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:30,507 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:30,508 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2019-08-31 03:26:30,508 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:30,562 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:30,571 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:30,572 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2019-08-31 03:26:30,572 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:30,617 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:30,617 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:26:30,618 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:124, output treesize:72 [2019-08-31 03:26:30,630 INFO L392 ElimStorePlain]: Different costs {1=[|v_old(#length)_BEFORE_CALL_4|], 6=[|v_old(#valid)_BEFORE_CALL_4|]} [2019-08-31 03:26:30,644 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:30,645 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-31 03:26:30,646 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:30,715 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:30,723 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:30,738 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:30,738 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 33 [2019-08-31 03:26:30,739 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:30,869 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-08-31 03:26:30,870 INFO L567 ElimStorePlain]: treesize reduction 8, result has 93.2 percent of original size [2019-08-31 03:26:30,872 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#memory_int)_BEFORE_CALL_4|], 2=[|v_old(#memory_$Pointer$.offset)_BEFORE_CALL_4|, |v_old(#memory_$Pointer$.base)_BEFORE_CALL_4|]} [2019-08-31 03:26:30,893 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2019-08-31 03:26:30,894 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:30,953 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:30,960 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:30,963 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2019-08-31 03:26:30,964 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:31,013 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:31,019 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:31,020 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2019-08-31 03:26:31,021 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:31,060 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:31,061 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:26:31,061 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:120, output treesize:68 [2019-08-31 03:26:31,077 INFO L392 ElimStorePlain]: Different costs {1=[|v_old(#length)_BEFORE_CALL_5|], 6=[|v_old(#valid)_BEFORE_CALL_5|]} [2019-08-31 03:26:31,096 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:31,097 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-31 03:26:31,098 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:31,305 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-08-31 03:26:31,306 INFO L567 ElimStorePlain]: treesize reduction 12, result has 92.9 percent of original size [2019-08-31 03:26:31,321 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:31,329 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:31,329 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 33 [2019-08-31 03:26:31,330 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:31,541 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-08-31 03:26:31,541 INFO L567 ElimStorePlain]: treesize reduction 14, result has 91.3 percent of original size [2019-08-31 03:26:31,544 INFO L392 ElimStorePlain]: Different costs {2=[|v_old(#memory_int)_BEFORE_CALL_5|], 6=[|v_old(#memory_$Pointer$.offset)_BEFORE_CALL_5|, |v_old(#memory_$Pointer$.base)_BEFORE_CALL_5|]} [2019-08-31 03:26:31,556 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:31,561 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2019-08-31 03:26:31,563 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:31,648 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:31,661 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:31,663 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:31,667 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 32 treesize of output 23 [2019-08-31 03:26:31,668 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:31,753 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:31,760 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:31,762 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:31,767 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 32 treesize of output 23 [2019-08-31 03:26:31,768 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:31,833 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:31,834 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:26:31,835 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:170, output treesize:113 [2019-08-31 03:26:31,838 INFO L199 IcfgInterpreter]: Interpreting procedure list_add with input of size 73 for LOIs [2019-08-31 03:26:31,843 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:31,847 INFO L199 IcfgInterpreter]: Interpreting procedure list_del with input of size 45 for LOIs [2019-08-31 03:26:31,849 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 1 for LOIs [2019-08-31 03:26:31,850 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:26:31,850 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:26:31,852 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 81#false [2019-08-31 03:26:31,858 INFO L99 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-08-31 03:26:31,858 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:26:31,860 INFO L168 Benchmark]: Toolchain (without parser) took 5784.88 ms. Allocated memory was 131.6 MB in the beginning and 322.4 MB in the end (delta: 190.8 MB). Free memory was 87.0 MB in the beginning and 236.0 MB in the end (delta: -149.0 MB). Peak memory consumption was 41.9 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:31,861 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory is still 105.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 03:26:31,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.23 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 86.6 MB in the beginning and 161.7 MB in the end (delta: -75.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:31,862 INFO L168 Benchmark]: Boogie Preprocessor took 117.71 ms. Allocated memory is still 199.2 MB. Free memory was 161.7 MB in the beginning and 159.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:31,863 INFO L168 Benchmark]: RCFGBuilder took 630.66 ms. Allocated memory is still 199.2 MB. Free memory was 159.0 MB in the beginning and 117.1 MB in the end (delta: 41.8 MB). Peak memory consumption was 41.8 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:31,863 INFO L168 Benchmark]: Sifa took 4373.57 ms. Allocated memory was 199.2 MB in the beginning and 322.4 MB in the end (delta: 123.2 MB). Free memory was 117.1 MB in the beginning and 236.0 MB in the end (delta: -118.9 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:31,866 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory is still 105.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 655.23 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 86.6 MB in the beginning and 161.7 MB in the end (delta: -75.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.71 ms. Allocated memory is still 199.2 MB. Free memory was 161.7 MB in the beginning and 159.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 630.66 ms. Allocated memory is still 199.2 MB. Free memory was 159.0 MB in the beginning and 117.1 MB in the end (delta: 41.8 MB). Peak memory consumption was 41.8 MB. Max. memory is 7.1 GB. * Sifa took 4373.57 ms. Allocated memory was 199.2 MB in the beginning and 322.4 MB in the end (delta: 123.2 MB). Free memory was 117.1 MB in the beginning and 236.0 MB in the end (delta: -118.9 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 4.3s OVERALL_TIME, 5 ICFG_INTERPRETER_ENTERED_PROCEDURES, 37 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 23 TOOLS_POST_APPLICATIONS, 0.4s TOOLS_POST_TIME, 11 TOOLS_POST_CALL_APPLICATIONS, 3.3s TOOLS_POST_CALL_TIME, 5 TOOLS_POST_RETURN_APPLICATIONS, 0.5s TOOLS_POST_RETURN_TIME, 4.2s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 37 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 10 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 0 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 4 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 0 LOOP_SUMMARIZER_APPLICATIONS, 0 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 0 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 5 CALL_SUMMARIZER_APPLICATIONS, 5 CALL_SUMMARIZER_CACHE_MISSES, 0.5s CALL_SUMMARIZER_OVERALL_TIME, 0.5s 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, 79 DAG_COMPRESSION_PROCESSED_NODES, 52 DAG_COMPRESSION_RETAINED_NODES - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...