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/loop-new/gauss_sum.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 22:11:03,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 22:11:03,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 22:11:03,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 22:11:03,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 22:11:03,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 22:11:03,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 22:11:03,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 22:11:03,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 22:11:03,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 22:11:03,050 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 22:11:03,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 22:11:03,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 22:11:03,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 22:11:03,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 22:11:03,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 22:11:03,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 22:11:03,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 22:11:03,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 22:11:03,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 22:11:03,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 22:11:03,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 22:11:03,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 22:11:03,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 22:11:03,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-22 22:11:03,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-22 22:11:03,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-22 22:11:03,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-22 22:11:03,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-22 22:11:03,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-22 22:11:03,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 22:11:03,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 22:11:03,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 22:11:03,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 22:11:03,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 22:11:03,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 22:11:03,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 22:11:03,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 22:11:03,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 22:11:03,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 22:11:03,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 22:11:03,078 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 [2019-08-22 22:11:03,093 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 22:11:03,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 22:11:03,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 22:11:03,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 22:11:03,097 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 22:11:03,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 22:11:03,098 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 22:11:03,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 22:11:03,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 22:11:03,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 22:11:03,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 22:11:03,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 22:11:03,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 22:11:03,099 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 22:11:03,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 22:11:03,100 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 22:11:03,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 22:11:03,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 22:11:03,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 22:11:03,102 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 22:11:03,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 22:11:03,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 22:11:03,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 22:11:03,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 22:11:03,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 22:11:03,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 22:11:03,103 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 22:11:03,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 22:11:03,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 22:11:03,157 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 22:11:03,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 22:11:03,180 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 22:11:03,181 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 22:11:03,182 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 22:11:03,182 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/gauss_sum.i [2019-08-22 22:11:03,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a8c132aa/1369a6e1e5e141b69672d83b613b7db2/FLAG0a01a9b16 [2019-08-22 22:11:03,750 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 22:11:03,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum.i [2019-08-22 22:11:03,756 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a8c132aa/1369a6e1e5e141b69672d83b613b7db2/FLAG0a01a9b16 [2019-08-22 22:11:04,104 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a8c132aa/1369a6e1e5e141b69672d83b613b7db2 [2019-08-22 22:11:04,113 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 22:11:04,115 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 22:11:04,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 22:11:04,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 22:11:04,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 22:11:04,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:11:04" (1/1) ... [2019-08-22 22:11:04,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a64ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:11:04, skipping insertion in model container [2019-08-22 22:11:04,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:11:04" (1/1) ... [2019-08-22 22:11:04,132 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 22:11:04,149 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 22:11:04,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:11:04,405 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 22:11:04,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:11:04,445 INFO L192 MainTranslator]: Completed translation [2019-08-22 22:11:04,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:11:04 WrapperNode [2019-08-22 22:11:04,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 22:11:04,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 22:11:04,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 22:11:04,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 22:11:04,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:11:04" (1/1) ... [2019-08-22 22:11:04,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:11:04" (1/1) ... [2019-08-22 22:11:04,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:11:04" (1/1) ... [2019-08-22 22:11:04,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:11:04" (1/1) ... [2019-08-22 22:11:04,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:11:04" (1/1) ... [2019-08-22 22:11:04,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:11:04" (1/1) ... [2019-08-22 22:11:04,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:11:04" (1/1) ... [2019-08-22 22:11:04,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 22:11:04,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 22:11:04,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 22:11:04,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 22:11:04,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:11:04" (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 [2019-08-22 22:11:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 22:11:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 22:11:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 22:11:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 22:11:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 22:11:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 22:11:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 22:11:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-22 22:11:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 22:11:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 22:11:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 22:11:04,862 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 22:11:04,863 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-22 22:11:04,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:11:04 BoogieIcfgContainer [2019-08-22 22:11:04,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 22:11:04,865 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 22:11:04,865 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 22:11:04,865 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 22:11:04,866 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:11:04" (1/1) ... [2019-08-22 22:11:04,880 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 22:11:04,883 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 22:11:04,889 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 22:11:04,898 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 22:11:04,900 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 22:11:04,958 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1