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 --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:18:27,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:18:27,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:18:27,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:18:27,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:18:27,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:18:27,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:18:27,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:18:27,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:18:27,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:18:27,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:18:27,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:18:27,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:18:27,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:18:27,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:18:27,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:18:27,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:18:27,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:18:27,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:18:27,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:18:27,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:18:27,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:18:27,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:18:27,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:18:27,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:18:27,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:18:27,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:18:27,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:18:27,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:18:27,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:18:27,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:18:27,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:18:27,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:18:27,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:18:27,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:18:27,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:18:27,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:18:27,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:18:27,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:18:27,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:18:27,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:18:27,541 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 [2019-09-20 20:18:27,556 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:18:27,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:18:27,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:18:27,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:18:27,558 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:18:27,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:18:27,558 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:18:27,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:18:27,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:18:27,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:18:27,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:18:27,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:18:27,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:18:27,560 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:18:27,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:18:27,560 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:18:27,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:18:27,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:18:27,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:18:27,561 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:18:27,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:18:27,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:18:27,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:18:27,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:18:27,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:18:27,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:18:27,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:18:27,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:18:27,563 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> ReUseSupersetCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 20:18:27,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:18:27,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:18:27,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:18:27,624 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:18:27,624 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:18:27,625 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-09-20 20:18:27,704 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16a26ece4/6360f5bd3c6c4af9b693c377819298b2/FLAG693608d57 [2019-09-20 20:18:28,186 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:18:28,189 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-09-20 20:18:28,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16a26ece4/6360f5bd3c6c4af9b693c377819298b2/FLAG693608d57 [2019-09-20 20:18:28,665 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16a26ece4/6360f5bd3c6c4af9b693c377819298b2 [2019-09-20 20:18:28,676 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:18:28,677 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:18:28,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:18:28,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:18:28,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:18:28,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:18:28" (1/1) ... [2019-09-20 20:18:28,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dd2ea50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:18:28, skipping insertion in model container [2019-09-20 20:18:28,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:18:28" (1/1) ... [2019-09-20 20:18:28,694 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:18:28,714 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:18:28,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:18:28,926 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:18:29,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:18:29,074 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:18:29,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:18:29 WrapperNode [2019-09-20 20:18:29,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:18:29,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:18:29,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:18:29,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:18:29,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:18:29" (1/1) ... [2019-09-20 20:18:29,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:18:29" (1/1) ... [2019-09-20 20:18:29,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:18:29" (1/1) ... [2019-09-20 20:18:29,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:18:29" (1/1) ... [2019-09-20 20:18:29,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:18:29" (1/1) ... [2019-09-20 20:18:29,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:18:29" (1/1) ... [2019-09-20 20:18:29,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:18:29" (1/1) ... [2019-09-20 20:18:29,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:18:29,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:18:29,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:18:29,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:18:29,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:18:29" (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 [2019-09-20 20:18:29,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:18:29,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:18:29,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 20:18:29,184 INFO L138 BoogieDeclarations]: Found implementation of procedure r_strncpy [2019-09-20 20:18:29,184 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_expression_list [2019-09-20 20:18:29,184 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:18:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:18:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 20:18:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 20:18:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2019-09-20 20:18:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-09-20 20:18:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2019-09-20 20:18:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-09-20 20:18:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy_ptr [2019-09-20 20:18:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-09-20 20:18:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-20 20:18:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-09-20 20:18:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-09-20 20:18:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2019-09-20 20:18:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 20:18:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2019-09-20 20:18:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2019-09-20 20:18:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-09-20 20:18:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure strrand [2019-09-20 20:18:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure istrrand [2019-09-20 20:18:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure istrchr [2019-09-20 20:18:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure istrrchr [2019-09-20 20:18:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure istrncmp [2019-09-20 20:18:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure istrstr [2019-09-20 20:18:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncpy [2019-09-20 20:18:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcpy [2019-09-20 20:18:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcat [2019-09-20 20:18:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncat [2019-09-20 20:18:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure r_memcpy [2019-09-20 20:18:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure parse_expression_list [2019-09-20 20:18:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 20:18:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 20:18:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 20:18:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 20:18:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:18:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:18:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:18:29,787 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:18:29,787 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 20:18:29,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:18:29 BoogieIcfgContainer [2019-09-20 20:18:29,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:18:29,789 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:18:29,790 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:18:29,790 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:18:29,791 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:18:29" (1/1) ... [2019-09-20 20:18:29,792 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 20:18:29,827 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:18:29,828 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:18:29,836 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:18:29,846 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:18:29,847 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:18:29,999 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-20 20:18:31,834 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 20:18:31,912 INFO L199 IcfgInterpreter]: Interpreting procedure parse_expression_list with input of size 18 for LOIs [2019-09-20 20:18:32,362 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 55 [2019-09-20 20:18:32,545 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 55 [2019-09-20 20:18:32,626 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 20:18:32,635 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 20:18:32,765 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-20 20:18:33,052 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 20:18:33,454 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 73 [2019-09-20 20:18:33,586 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 20:18:34,123 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2019-09-20 20:18:34,388 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 20:18:34,612 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 73 [2019-09-20 20:18:35,412 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 90 [2019-09-20 20:18:35,674 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 20:18:36,187 WARN L191 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 90 [2019-09-20 20:18:36,438 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 20:18:36,493 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 20:18:36,513 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 20:18:36,843 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 52 [2019-09-20 20:18:37,379 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 20:18:37,383 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 20:18:37,571 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 20:18:38,181 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-09-20 20:18:38,323 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 20:18:38,562 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-20 20:18:38,921 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-09-20 20:18:39,223 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2019-09-20 20:18:39,573 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-09-20 20:18:39,693 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 20:18:39,979 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-09-20 20:18:40,090 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 20:18:40,382 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2019-09-20 20:18:40,515 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 20:18:40,908 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-09-20 20:18:41,368 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 40 [2019-09-20 20:18:41,635 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 44 [2019-09-20 20:18:41,963 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 70 [2019-09-20 20:18:42,449 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 116 [2019-09-20 20:18:42,628 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 20:18:42,931 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 81 [2019-09-20 20:18:43,072 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 20:18:43,610 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 131 [2019-09-20 20:18:43,859 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 20:18:44,278 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 92 [2019-09-20 20:18:44,442 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 20:18:45,057 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 142 [2019-09-20 20:18:45,436 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 41 [2019-09-20 20:18:45,594 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2019-09-20 20:18:46,065 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 71 [2019-09-20 20:18:46,571 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 121 [2019-09-20 20:18:46,758 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 20:18:47,067 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 82 [2019-09-20 20:18:47,210 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 20:18:47,615 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 127 [2019-09-20 20:18:47,812 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 20:18:48,209 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 93 [2019-09-20 20:18:48,376 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 20:18:48,887 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 138 [2019-09-20 20:18:49,025 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 for LOIs [2019-09-20 20:18:49,037 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 20:18:49,037 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 20:18:49,039 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 349#false [2019-09-20 20:18:49,048 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-20 20:18:49,049 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 20:18:49,051 INFO L168 Benchmark]: Toolchain (without parser) took 20373.77 ms. Allocated memory was 134.2 MB in the beginning and 383.8 MB in the end (delta: 249.6 MB). Free memory was 89.9 MB in the beginning and 117.3 MB in the end (delta: -27.4 MB). Peak memory consumption was 222.2 MB. Max. memory is 7.1 GB. [2019-09-20 20:18:49,052 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 134.2 MB. Free memory is still 108.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 20:18:49,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.75 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 89.4 MB in the beginning and 175.1 MB in the end (delta: -85.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2019-09-20 20:18:49,055 INFO L168 Benchmark]: Boogie Preprocessor took 46.90 ms. Allocated memory is still 200.8 MB. Free memory was 175.1 MB in the beginning and 173.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-09-20 20:18:49,056 INFO L168 Benchmark]: RCFGBuilder took 666.17 ms. Allocated memory is still 200.8 MB. Free memory was 172.5 MB in the beginning and 130.4 MB in the end (delta: 42.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. [2019-09-20 20:18:49,057 INFO L168 Benchmark]: Sifa took 19259.98 ms. Allocated memory was 200.8 MB in the beginning and 383.8 MB in the end (delta: 183.0 MB). Free memory was 130.4 MB in the beginning and 117.3 MB in the end (delta: 13.1 MB). Peak memory consumption was 196.1 MB. Max. memory is 7.1 GB. [2019-09-20 20:18:49,065 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 134.2 MB. Free memory is still 108.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 396.75 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 89.4 MB in the beginning and 175.1 MB in the end (delta: -85.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.90 ms. Allocated memory is still 200.8 MB. Free memory was 175.1 MB in the beginning and 173.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 666.17 ms. Allocated memory is still 200.8 MB. Free memory was 172.5 MB in the beginning and 130.4 MB in the end (delta: 42.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. * Sifa took 19259.98 ms. Allocated memory was 200.8 MB in the beginning and 383.8 MB in the end (delta: 183.0 MB). Free memory was 130.4 MB in the beginning and 117.3 MB in the end (delta: 13.1 MB). Peak memory consumption was 196.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 19212, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 198, DAG_INTERPRETER_EARLY_EXITS: 11, TOOLS_POST_APPLICATIONS: 173, TOOLS_POST_TIME[ms]: 765, TOOLS_POST_CALL_APPLICATIONS: 13, TOOLS_POST_CALL_TIME[ms]: 1111, TOOLS_POST_RETURN_APPLICATIONS: 10, TOOLS_POST_RETURN_TIME[ms]: 209, TOOLS_QUANTIFIERELIM_APPLICATIONS: 181, TOOLS_QUANTIFIERELIM_TIME[ms]: 2013, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 619, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 225, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 50, DOMAIN_JOIN_TIME[ms]: 8782, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME[ms]: 5, DOMAIN_WIDEN_APPLICATIONS: 15, DOMAIN_WIDEN_TIME[ms]: 7969, DOMAIN_ISSUBSETEQ_APPLICATIONS: 42, DOMAIN_ISSUBSETEQ_TIME[ms]: 107, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME[ms]: 88, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 18883, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 18882, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 27, CALL_SUMMARIZER_APPLICATIONS: 10, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 456, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 46, DAG_COMPRESSION_PROCESSED_NODES: 306, DAG_COMPRESSION_RETAINED_NODES: 131 - PositiveResult [Line: 5]: 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...