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-invgen/nested6.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 22:07:03,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 22:07:03,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 22:07:03,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 22:07:03,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 22:07:03,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 22:07:03,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 22:07:03,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 22:07:03,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 22:07:03,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 22:07:03,454 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 22:07:03,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 22:07:03,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 22:07:03,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 22:07:03,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 22:07:03,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 22:07:03,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 22:07:03,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 22:07:03,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 22:07:03,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 22:07:03,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 22:07:03,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 22:07:03,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 22:07:03,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 22:07:03,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-22 22:07:03,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-22 22:07:03,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-22 22:07:03,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-22 22:07:03,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-22 22:07:03,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-22 22:07:03,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 22:07:03,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 22:07:03,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 22:07:03,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 22:07:03,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 22:07:03,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 22:07:03,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 22:07:03,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 22:07:03,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 22:07:03,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 22:07:03,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 22:07:03,500 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 22:07:03,521 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 22:07:03,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 22:07:03,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 22:07:03,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 22:07:03,524 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 22:07:03,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 22:07:03,524 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 22:07:03,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 22:07:03,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 22:07:03,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 22:07:03,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 22:07:03,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 22:07:03,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 22:07:03,527 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 22:07:03,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 22:07:03,528 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 22:07:03,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 22:07:03,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 22:07:03,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 22:07:03,529 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 22:07:03,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 22:07:03,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 22:07:03,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 22:07:03,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 22:07:03,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 22:07:03,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 22:07:03,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 22:07:03,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 22:07:03,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 22:07:03,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 22:07:03,597 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 22:07:03,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 22:07:03,602 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 22:07:03,602 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 22:07:03,603 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nested6.i [2019-08-22 22:07:03,672 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7e86f0e7/5af54619e6d9479da5cfbd98e4df4ef2/FLAG63c9a5193 [2019-08-22 22:07:04,090 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 22:07:04,090 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nested6.i [2019-08-22 22:07:04,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7e86f0e7/5af54619e6d9479da5cfbd98e4df4ef2/FLAG63c9a5193 [2019-08-22 22:07:04,510 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7e86f0e7/5af54619e6d9479da5cfbd98e4df4ef2 [2019-08-22 22:07:04,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 22:07:04,519 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 22:07:04,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 22:07:04,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 22:07:04,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 22:07:04,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:07:04" (1/1) ... [2019-08-22 22:07:04,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b42a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:04, skipping insertion in model container [2019-08-22 22:07:04,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:07:04" (1/1) ... [2019-08-22 22:07:04,535 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 22:07:04,551 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 22:07:04,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:07:04,742 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 22:07:04,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:07:04,772 INFO L192 MainTranslator]: Completed translation [2019-08-22 22:07:04,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:04 WrapperNode [2019-08-22 22:07:04,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 22:07:04,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 22:07:04,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 22:07:04,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 22:07:04,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:04" (1/1) ... [2019-08-22 22:07:04,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:04" (1/1) ... [2019-08-22 22:07:04,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:04" (1/1) ... [2019-08-22 22:07:04,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:04" (1/1) ... [2019-08-22 22:07:04,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:04" (1/1) ... [2019-08-22 22:07:04,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:04" (1/1) ... [2019-08-22 22:07:04,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:04" (1/1) ... [2019-08-22 22:07:04,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 22:07:04,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 22:07:04,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 22:07:04,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 22:07:04,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:07:04" (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 22:07:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 22:07:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 22:07:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 22:07:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 22:07:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 22:07:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 22:07:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 22:07:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-22 22:07:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 22:07:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 22:07:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 22:07:05,126 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 22:07:05,126 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-22 22:07:05,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:07:05 BoogieIcfgContainer [2019-08-22 22:07:05,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 22:07:05,128 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 22:07:05,128 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 22:07:05,129 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 22:07:05,129 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:07:05" (1/1) ... [2019-08-22 22:07:05,158 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 22:07:05,164 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 22:07:05,178 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 22:07:05,189 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 22:07:05,190 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 22:07:05,259 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-22 22:07:05,359 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:07:05,378 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:07:05,415 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:07:05,485 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:07:05,613 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:07:05,779 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:07:05,937 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:07:06,130 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:07:06,386 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:07:06,718 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:07:07,269 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:07:08,168 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:07:09,265 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:07:10,575 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:07:12,530 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:07:15,847 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:07:20,896 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:07:29,883 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:07:44,155 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:08:05,782 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms