java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/sll2n_prepend_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:15:00,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:15:01,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:15:01,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:15:01,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:15:01,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:15:01,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:15:01,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:15:01,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:15:01,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:15:01,032 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:15:01,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:15:01,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:15:01,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:15:01,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:15:01,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:15:01,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:15:01,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:15:01,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:15:01,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:15:01,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:15:01,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:15:01,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:15:01,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:15:01,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 07:15:01,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 07:15:01,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 07:15:01,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 07:15:01,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 07:15:01,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 07:15:01,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:15:01,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:15:01,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:15:01,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:15:01,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:15:01,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:15:01,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:15:01,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:15:01,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:15:01,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:15:01,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:15:01,080 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-18 07:15:01,102 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:15:01,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:15:01,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:15:01,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:15:01,105 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:15:01,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:15:01,105 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:15:01,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:15:01,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:15:01,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:15:01,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:15:01,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:15:01,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:15:01,108 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:15:01,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:15:01,108 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:15:01,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:15:01,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:15:01,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:15:01,109 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:15:01,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:15:01,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:15:01,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:15:01,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:15:01,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:15:01,110 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:15:01,111 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:15:01,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:15:01,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:15:01,148 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:15:01,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:15:01,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:15:01,165 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:15:01,165 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:15:01,166 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_prepend_unequal.i [2019-08-18 07:15:01,240 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf60853a3/18337238cc88471d92d84c2bc1e86625/FLAG845d4a47f [2019-08-18 07:15:01,823 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:15:01,824 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_prepend_unequal.i [2019-08-18 07:15:01,846 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf60853a3/18337238cc88471d92d84c2bc1e86625/FLAG845d4a47f [2019-08-18 07:15:02,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf60853a3/18337238cc88471d92d84c2bc1e86625 [2019-08-18 07:15:02,124 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:15:02,126 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:15:02,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:15:02,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:15:02,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:15:02,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:15:02" (1/1) ... [2019-08-18 07:15:02,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@546dd712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:02, skipping insertion in model container [2019-08-18 07:15:02,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:15:02" (1/1) ... [2019-08-18 07:15:02,142 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:15:02,188 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:15:02,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:15:02,614 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:15:02,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:15:02,720 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:15:02,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:02 WrapperNode [2019-08-18 07:15:02,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:15:02,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:15:02,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:15:02,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:15:02,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:02" (1/1) ... [2019-08-18 07:15:02,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:02" (1/1) ... [2019-08-18 07:15:02,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:02" (1/1) ... [2019-08-18 07:15:02,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:02" (1/1) ... [2019-08-18 07:15:02,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:02" (1/1) ... [2019-08-18 07:15:02,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:02" (1/1) ... [2019-08-18 07:15:02,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:02" (1/1) ... [2019-08-18 07:15:02,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:15:02,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:15:02,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:15:02,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:15:02,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:15:02,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:15:02,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:15:02,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-18 07:15:02,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-18 07:15:02,848 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-18 07:15:02,848 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-08-18 07:15:02,849 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-08-18 07:15:02,849 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-08-18 07:15:02,849 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_prepend [2019-08-18 07:15:02,849 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:15:02,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:15:02,849 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-18 07:15:02,850 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-18 07:15:02,850 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-18 07:15:02,850 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-18 07:15:02,850 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-18 07:15:02,850 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-18 07:15:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-18 07:15:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-18 07:15:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-18 07:15:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-18 07:15:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-18 07:15:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-18 07:15:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-18 07:15:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-18 07:15:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-18 07:15:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-18 07:15:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-18 07:15:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-18 07:15:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-18 07:15:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-18 07:15:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-18 07:15:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-18 07:15:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-18 07:15:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-18 07:15:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-18 07:15:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-18 07:15:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-18 07:15:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-18 07:15:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-18 07:15:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-18 07:15:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-18 07:15:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-18 07:15:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-18 07:15:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-18 07:15:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-18 07:15:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-18 07:15:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-18 07:15:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-18 07:15:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-18 07:15:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-18 07:15:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-18 07:15:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-18 07:15:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-18 07:15:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-18 07:15:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-18 07:15:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-18 07:15:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-18 07:15:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-18 07:15:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-18 07:15:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-18 07:15:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-18 07:15:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-18 07:15:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-18 07:15:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-18 07:15:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-18 07:15:02,859 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-18 07:15:02,859 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-18 07:15:02,859 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-18 07:15:02,859 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-18 07:15:02,859 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-18 07:15:02,859 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-18 07:15:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-18 07:15:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-18 07:15:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-18 07:15:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-18 07:15:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-18 07:15:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-18 07:15:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-18 07:15:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-18 07:15:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-18 07:15:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-18 07:15:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-18 07:15:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-18 07:15:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-18 07:15:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-18 07:15:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-18 07:15:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-18 07:15:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-18 07:15:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-18 07:15:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-18 07:15:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-18 07:15:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-18 07:15:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-18 07:15:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-18 07:15:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-18 07:15:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-18 07:15:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-18 07:15:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-18 07:15:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-18 07:15:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-18 07:15:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-18 07:15:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-18 07:15:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-18 07:15:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-18 07:15:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-18 07:15:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-18 07:15:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-18 07:15:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-18 07:15:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-18 07:15:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-18 07:15:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-18 07:15:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-18 07:15:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-18 07:15:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-18 07:15:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-18 07:15:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-18 07:15:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-08-18 07:15:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-18 07:15:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 07:15:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 07:15:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-08-18 07:15:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-08-18 07:15:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 07:15:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 07:15:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure sll_prepend [2019-08-18 07:15:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:15:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 07:15:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-18 07:15:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 07:15:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:15:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:15:03,277 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-18 07:15:03,483 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:15:03,483 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-18 07:15:03,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:15:03 BoogieIcfgContainer [2019-08-18 07:15:03,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:15:03,485 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:15:03,486 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:15:03,486 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:15:03,487 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:15:03" (1/1) ... [2019-08-18 07:15:03,499 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:15:03,503 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:15:03,509 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:15:03,518 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:15:03,520 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:15:03,596 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 07:15:03,597 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:03,628 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:03,629 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:03,629 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 07:15:03,641 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 23 [2019-08-18 07:15:03,669 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_16|], 1=[|v_#valid_29|]} [2019-08-18 07:15:03,678 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 07:15:03,679 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:03,712 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:03,721 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-18 07:15:03,722 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:03,744 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:03,745 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:03,745 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:30 [2019-08-18 07:15:03,747 WARN L89 DagInterpreter]: A function never reaches its return [2019-08-18 07:15:03,758 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_25|, |v_#memory_$Pointer$.offset_25|, |v_#memory_int_23|], 2=[|v_#memory_int_8|]} [2019-08-18 07:15:03,773 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:03,783 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 99 [2019-08-18 07:15:03,785 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:03,802 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:15:03,803 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:03,939 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-08-18 07:15:03,939 INFO L567 ElimStorePlain]: treesize reduction 4, result has 96.0 percent of original size [2019-08-18 07:15:03,959 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:03,962 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2019-08-18 07:15:03,964 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:04,063 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:04,073 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 [2019-08-18 07:15:04,073 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:04,132 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:04,146 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 07:15:04,146 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:04,183 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:04,184 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:04,184 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:221, output treesize:61 [2019-08-18 07:15:04,216 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:04,218 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 13 [2019-08-18 07:15:04,219 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:04,273 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:04,280 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:04,282 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 13 [2019-08-18 07:15:04,282 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:04,320 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:04,329 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:04,332 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2019-08-18 07:15:04,333 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:04,373 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:04,374 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:04,374 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:102, output treesize:61 [2019-08-18 07:15:04,429 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 109 treesize of output 107 [2019-08-18 07:15:04,430 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:04,649 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-08-18 07:15:04,650 INFO L567 ElimStorePlain]: treesize reduction 5, result has 96.9 percent of original size [2019-08-18 07:15:04,660 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 99 treesize of output 97 [2019-08-18 07:15:04,661 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:04,772 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-08-18 07:15:04,772 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:04,783 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 94 treesize of output 88 [2019-08-18 07:15:04,784 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:04,903 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-08-18 07:15:04,904 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:04,916 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 85 treesize of output 79 [2019-08-18 07:15:04,919 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:05,030 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-08-18 07:15:05,031 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:05,039 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 76 treesize of output 72 [2019-08-18 07:15:05,040 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:05,119 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:05,120 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-18 07:15:05,120 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:167, output treesize:127 [2019-08-18 07:15:05,124 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:05,150 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:05,155 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 103 [2019-08-18 07:15:05,156 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:05,357 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-08-18 07:15:05,358 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:05,389 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:05,392 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 100 treesize of output 92 [2019-08-18 07:15:05,393 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:05,550 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-18 07:15:05,550 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:05,558 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:05,561 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 102 treesize of output 94 [2019-08-18 07:15:05,562 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:05,679 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-08-18 07:15:05,679 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:05,691 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:05,697 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 75 [2019-08-18 07:15:05,698 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:05,807 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-08-18 07:15:05,807 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:05,819 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:05,822 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 73 [2019-08-18 07:15:05,823 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:05,921 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:05,927 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:05,931 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 72 treesize of output 64 [2019-08-18 07:15:05,931 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:06,006 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:06,008 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 6 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-18 07:15:06,009 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:214, output treesize:135 [2019-08-18 07:15:06,048 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:06,050 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2019-08-18 07:15:06,051 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:06,082 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:06,091 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 13 [2019-08-18 07:15:06,091 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:06,122 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:06,129 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 13 [2019-08-18 07:15:06,130 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:06,157 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:06,158 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:06,159 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:100, output treesize:37 [2019-08-18 07:15:06,190 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_27|, |v_#memory_int_20|], 10=[|v_#memory_$Pointer$.offset_29|, |v_#memory_$Pointer$.base_29|]} [2019-08-18 07:15:06,206 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:06,211 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2019-08-18 07:15:06,212 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:06,269 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:06,301 INFO L341 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2019-08-18 07:15:06,302 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 1 case distinctions, treesize of input 23 treesize of output 19 [2019-08-18 07:15:06,303 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2019-08-18 07:15:06,401 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:06,410 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:06,436 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:06,437 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 64 [2019-08-18 07:15:06,438 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:06,439 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:06,526 INFO L567 ElimStorePlain]: treesize reduction 20, result has 83.1 percent of original size [2019-08-18 07:15:06,551 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:06,574 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:06,575 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 64 [2019-08-18 07:15:06,576 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:06,576 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:06,634 INFO L567 ElimStorePlain]: treesize reduction 20, result has 74.7 percent of original size [2019-08-18 07:15:06,635 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:06,635 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:163, output treesize:59 [2019-08-18 07:15:06,650 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:06,650 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:06,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:06,661 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:06,668 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:15:06,668 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:15:06,670 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 102#true [2019-08-18 07:15:06,679 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 07:15:06,679 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:15:06,681 INFO L168 Benchmark]: Toolchain (without parser) took 4555.16 ms. Allocated memory was 131.6 MB in the beginning and 264.8 MB in the end (delta: 133.2 MB). Free memory was 84.4 MB in the beginning and 194.5 MB in the end (delta: -110.0 MB). Peak memory consumption was 138.1 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:06,682 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 131.6 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 07:15:06,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.99 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 84.2 MB in the beginning and 161.9 MB in the end (delta: -77.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:06,683 INFO L168 Benchmark]: Boogie Preprocessor took 65.24 ms. Allocated memory is still 199.8 MB. Free memory was 161.9 MB in the beginning and 158.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:06,684 INFO L168 Benchmark]: RCFGBuilder took 697.41 ms. Allocated memory is still 199.8 MB. Free memory was 158.5 MB in the beginning and 112.8 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:06,685 INFO L168 Benchmark]: Symbolic Interpretation took 3193.96 ms. Allocated memory was 199.8 MB in the beginning and 264.8 MB in the end (delta: 65.0 MB). Free memory was 112.8 MB in the beginning and 194.5 MB in the end (delta: -81.7 MB). Peak memory consumption was 98.3 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:06,689 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 618]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 102#true. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 131.6 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 594.99 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 84.2 MB in the beginning and 161.9 MB in the end (delta: -77.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.24 ms. Allocated memory is still 199.8 MB. Free memory was 161.9 MB in the beginning and 158.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 697.41 ms. Allocated memory is still 199.8 MB. Free memory was 158.5 MB in the beginning and 112.8 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3193.96 ms. Allocated memory was 199.8 MB in the beginning and 264.8 MB in the end (delta: 65.0 MB). Free memory was 112.8 MB in the beginning and 194.5 MB in the end (delta: -81.7 MB). Peak memory consumption was 98.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...