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/nested-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 07:14:39,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 07:14:39,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 07:14:39,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 07:14:39,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 07:14:39,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 07:14:39,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 07:14:39,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 07:14:39,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 07:14:39,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 07:14:39,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 07:14:39,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 07:14:39,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 07:14:39,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 07:14:39,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 07:14:39,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 07:14:39,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 07:14:39,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 07:14:39,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 07:14:39,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 07:14:39,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 07:14:39,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 07:14:39,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 07:14:39,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 07:14:39,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 07:14:39,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 07:14:39,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 07:14:39,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 07:14:39,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 07:14:39,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 07:14:39,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 07:14:39,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 07:14:39,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 07:14:39,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 07:14:39,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 07:14:39,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 07:14:39,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 07:14:39,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 07:14:39,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 07:14:39,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 07:14:39,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 07:14:39,137 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-31 07:14:39,161 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 07:14:39,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 07:14:39,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 07:14:39,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 07:14:39,164 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 07:14:39,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 07:14:39,165 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 07:14:39,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 07:14:39,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 07:14:39,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 07:14:39,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 07:14:39,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 07:14:39,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 07:14:39,167 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 07:14:39,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 07:14:39,168 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 07:14:39,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 07:14:39,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 07:14:39,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 07:14:39,169 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 07:14:39,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 07:14:39,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 07:14:39,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 07:14:39,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 07:14:39,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 07:14:39,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 07:14:39,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 07:14:39,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 07:14:39,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 07:14:39,220 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 07:14:39,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 07:14:39,244 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 07:14:39,248 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 07:14:39,248 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 07:14:39,249 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/nested-1.i [2019-08-31 07:14:39,318 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88a6a007b/298f88f12bbd434e89903ba36ffe8220/FLAG3646f7012 [2019-08-31 07:14:39,718 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 07:14:39,719 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/nested-1.i [2019-08-31 07:14:39,727 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88a6a007b/298f88f12bbd434e89903ba36ffe8220/FLAG3646f7012 [2019-08-31 07:14:40,132 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88a6a007b/298f88f12bbd434e89903ba36ffe8220 [2019-08-31 07:14:40,142 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 07:14:40,144 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 07:14:40,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 07:14:40,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 07:14:40,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 07:14:40,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:14:40" (1/1) ... [2019-08-31 07:14:40,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ba02e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:14:40, skipping insertion in model container [2019-08-31 07:14:40,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:14:40" (1/1) ... [2019-08-31 07:14:40,161 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 07:14:40,179 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 07:14:40,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 07:14:40,327 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 07:14:40,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 07:14:40,355 INFO L192 MainTranslator]: Completed translation [2019-08-31 07:14:40,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:14:40 WrapperNode [2019-08-31 07:14:40,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 07:14:40,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 07:14:40,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 07:14:40,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 07:14:40,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:14:40" (1/1) ... [2019-08-31 07:14:40,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:14:40" (1/1) ... [2019-08-31 07:14:40,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:14:40" (1/1) ... [2019-08-31 07:14:40,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:14:40" (1/1) ... [2019-08-31 07:14:40,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:14:40" (1/1) ... [2019-08-31 07:14:40,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:14:40" (1/1) ... [2019-08-31 07:14:40,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:14:40" (1/1) ... [2019-08-31 07:14:40,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 07:14:40,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 07:14:40,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 07:14:40,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 07:14:40,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:14:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 07:14:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 07:14:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 07:14:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-31 07:14:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 07:14:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 07:14:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 07:14:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-31 07:14:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 07:14:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 07:14:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 07:14:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 07:14:40,755 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 07:14:40,756 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-31 07:14:40,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:14:40 BoogieIcfgContainer [2019-08-31 07:14:40,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 07:14:40,764 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 07:14:40,765 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 07:14:40,765 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 07:14:40,766 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:14:40" (1/1) ... [2019-08-31 07:14:40,840 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 07:14:40,841 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 07:14:40,848 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 07:14:40,855 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 07:14:40,856 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 07:14:40,904 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs