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/float-benchs/rlim_invariant.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-01cf0bf [2019-08-21 23:39:54,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-21 23:39:54,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-21 23:39:54,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-21 23:39:54,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-21 23:39:54,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-21 23:39:54,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-21 23:39:54,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-21 23:39:54,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-21 23:39:54,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-21 23:39:54,679 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-21 23:39:54,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-21 23:39:54,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-21 23:39:54,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-21 23:39:54,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-21 23:39:54,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-21 23:39:54,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-21 23:39:54,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-21 23:39:54,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-21 23:39:54,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-21 23:39:54,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-21 23:39:54,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-21 23:39:54,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-21 23:39:54,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-21 23:39:54,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-21 23:39:54,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-21 23:39:54,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-21 23:39:54,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-21 23:39:54,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-21 23:39:54,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-21 23:39:54,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-21 23:39:54,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-21 23:39:54,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-21 23:39:54,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-21 23:39:54,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-21 23:39:54,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-21 23:39:54,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-21 23:39:54,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-21 23:39:54,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-21 23:39:54,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-21 23:39:54,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-21 23:39:54,709 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 [2019-08-21 23:39:54,724 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-21 23:39:54,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-21 23:39:54,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-21 23:39:54,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-21 23:39:54,726 INFO L138 SettingsManager]: * Use SBE=true [2019-08-21 23:39:54,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-21 23:39:54,727 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-21 23:39:54,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-21 23:39:54,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-21 23:39:54,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-21 23:39:54,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-21 23:39:54,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-21 23:39:54,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-21 23:39:54,728 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-21 23:39:54,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-21 23:39:54,728 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-21 23:39:54,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-21 23:39:54,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-21 23:39:54,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-21 23:39:54,729 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-21 23:39:54,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-21 23:39:54,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-21 23:39:54,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-21 23:39:54,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-21 23:39:54,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-21 23:39:54,731 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-21 23:39:54,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-21 23:39:54,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-21 23:39:54,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-21 23:39:54,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-21 23:39:54,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-21 23:39:54,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-21 23:39:54,783 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-21 23:39:54,785 INFO L275 PluginConnector]: CDTParser initialized [2019-08-21 23:39:54,786 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/rlim_invariant.c.v+lhb-reducer.c [2019-08-21 23:39:54,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d47e0a79e/05cbe0dc99414214bc33a9714b9a70e5/FLAG21ebbeb51 [2019-08-21 23:39:55,365 INFO L306 CDTParser]: Found 1 translation units. [2019-08-21 23:39:55,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/rlim_invariant.c.v+lhb-reducer.c [2019-08-21 23:39:55,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d47e0a79e/05cbe0dc99414214bc33a9714b9a70e5/FLAG21ebbeb51 [2019-08-21 23:39:55,716 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d47e0a79e/05cbe0dc99414214bc33a9714b9a70e5 [2019-08-21 23:39:55,726 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-21 23:39:55,728 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-21 23:39:55,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-21 23:39:55,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-21 23:39:55,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-21 23:39:55,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:39:55" (1/1) ... [2019-08-21 23:39:55,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1973abf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:55, skipping insertion in model container [2019-08-21 23:39:55,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:39:55" (1/1) ... [2019-08-21 23:39:55,745 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-21 23:39:55,779 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-21 23:39:55,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-21 23:39:56,001 INFO L188 MainTranslator]: Completed pre-run [2019-08-21 23:39:56,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-21 23:39:56,175 INFO L192 MainTranslator]: Completed translation [2019-08-21 23:39:56,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:56 WrapperNode [2019-08-21 23:39:56,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-21 23:39:56,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-21 23:39:56,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-21 23:39:56,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-21 23:39:56,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:56" (1/1) ... [2019-08-21 23:39:56,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:56" (1/1) ... [2019-08-21 23:39:56,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:56" (1/1) ... [2019-08-21 23:39:56,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:56" (1/1) ... [2019-08-21 23:39:56,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:56" (1/1) ... [2019-08-21 23:39:56,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:56" (1/1) ... [2019-08-21 23:39:56,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:56" (1/1) ... [2019-08-21 23:39:56,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-21 23:39:56,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-21 23:39:56,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-21 23:39:56,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-21 23:39:56,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:56" (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 [2019-08-21 23:39:56,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-21 23:39:56,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-21 23:39:56,265 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-21 23:39:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-21 23:39:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-21 23:39:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-21 23:39:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-21 23:39:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-21 23:39:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-21 23:39:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-21 23:39:56,605 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-21 23:39:56,605 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-21 23:39:56,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:39:56 BoogieIcfgContainer [2019-08-21 23:39:56,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-21 23:39:56,607 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-21 23:39:56,608 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-21 23:39:56,608 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-21 23:39:56,609 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:39:56" (1/1) ... [2019-08-21 23:39:56,623 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-21 23:39:56,625 INFO L155 IcfgInterpreter]: Building call graph [2019-08-21 23:39:56,633 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-21 23:39:56,642 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-21 23:39:56,644 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-21 23:39:56,713 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 25