/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/reducercommutativity/max05-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 18:26:24,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 18:26:24,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 18:26:24,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 18:26:24,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 18:26:24,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 18:26:24,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 18:26:24,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 18:26:24,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 18:26:24,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 18:26:24,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 18:26:24,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 18:26:24,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 18:26:24,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 18:26:24,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 18:26:24,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 18:26:24,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 18:26:24,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 18:26:24,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 18:26:24,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 18:26:24,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 18:26:24,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 18:26:24,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 18:26:24,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 18:26:24,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 18:26:24,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 18:26:24,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 18:26:24,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 18:26:24,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 18:26:24,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 18:26:24,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 18:26:24,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 18:26:24,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 18:26:24,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 18:26:24,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 18:26:24,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 18:26:24,185 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 18:26:24,201 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 18:26:24,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 18:26:24,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 18:26:24,202 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 18:26:24,202 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 18:26:24,203 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 18:26:24,203 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 18:26:24,203 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 18:26:24,203 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 18:26:24,203 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 18:26:24,204 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 18:26:24,204 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 18:26:24,204 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 18:26:24,204 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 18:26:24,204 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 18:26:24,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 18:26:24,205 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 18:26:24,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 18:26:24,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 18:26:24,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 18:26:24,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 18:26:24,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 18:26:24,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 18:26:24,207 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 18:26:24,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 18:26:24,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 18:26:24,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 18:26:24,207 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 18:26:24,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 18:26:24,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 18:26:24,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 18:26:24,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 18:26:24,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 18:26:24,209 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 18:26:24,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 18:26:24,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 18:26:24,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 18:26:24,209 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 18:26:24,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 18:26:24,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 18:26:24,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 18:26:24,526 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 18:26:24,526 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 18:26:24,527 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/max05-1.i [2019-11-24 18:26:24,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94be015e2/ffdfb7fa25cf4ae182f4a4bdb05f6507/FLAG51dd1cf99 [2019-11-24 18:26:25,065 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 18:26:25,065 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/max05-1.i [2019-11-24 18:26:25,071 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94be015e2/ffdfb7fa25cf4ae182f4a4bdb05f6507/FLAG51dd1cf99 [2019-11-24 18:26:25,489 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94be015e2/ffdfb7fa25cf4ae182f4a4bdb05f6507 [2019-11-24 18:26:25,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 18:26:25,499 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 18:26:25,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 18:26:25,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 18:26:25,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 18:26:25,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:26:25" (1/1) ... [2019-11-24 18:26:25,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d15200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:26:25, skipping insertion in model container [2019-11-24 18:26:25,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:26:25" (1/1) ... [2019-11-24 18:26:25,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 18:26:25,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 18:26:25,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:26:25,743 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 18:26:25,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:26:25,777 INFO L208 MainTranslator]: Completed translation [2019-11-24 18:26:25,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:26:25 WrapperNode [2019-11-24 18:26:25,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 18:26:25,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 18:26:25,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 18:26:25,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 18:26:25,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:26:25" (1/1) ... [2019-11-24 18:26:25,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:26:25" (1/1) ... [2019-11-24 18:26:25,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 18:26:25,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 18:26:25,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 18:26:25,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 18:26:25,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:26:25" (1/1) ... [2019-11-24 18:26:25,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:26:25" (1/1) ... [2019-11-24 18:26:25,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:26:25" (1/1) ... [2019-11-24 18:26:25,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:26:25" (1/1) ... [2019-11-24 18:26:25,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:26:25" (1/1) ... [2019-11-24 18:26:25,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:26:25" (1/1) ... [2019-11-24 18:26:25,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:26:25" (1/1) ... [2019-11-24 18:26:25,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 18:26:25,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 18:26:25,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 18:26:25,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 18:26:25,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:26:25" (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 [2019-11-24 18:26:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 18:26:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 18:26:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 18:26:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 18:26:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 18:26:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 18:26:26,564 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 18:26:26,565 INFO L284 CfgBuilder]: Removed 15 assume(true) statements. [2019-11-24 18:26:26,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:26:26 BoogieIcfgContainer [2019-11-24 18:26:26,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 18:26:26,567 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 18:26:26,567 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 18:26:26,567 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 18:26:26,568 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:26:26" (1/1) ... [2019-11-24 18:26:26,569 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-24 18:26:26,590 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 18:26:26,590 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 18:26:26,597 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 18:26:26,603 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 18:26:26,604 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 18:26:28,854 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 230 [2019-11-24 18:26:29,011 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2019-11-24 18:26:29,265 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 358 [2019-11-24 18:26:29,595 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 355 [2019-11-24 18:26:40,396 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |ULTIMATE.start_main_~#x~0.offset| 16) (+ |ULTIMATE.start_main_~#x~0.offset| 12)) [2019-11-24 18:26:50,736 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ULTIMATE.start_main_~temp~0 (select (select v_prenex_21 |ULTIMATE.start_main_~#x~0.base|) (+ |ULTIMATE.start_main_~#x~0.offset| 4))) [2019-11-24 18:27:04,009 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select v_prenex_21 |ULTIMATE.start_main_~#x~0.base|))) (= (select .cse0 (+ |ULTIMATE.start_main_~#x~0.offset| 16)) (select .cse0 |ULTIMATE.start_main_~#x~0.offset|))) [2019-11-24 18:27:42,952 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select v_prenex_21 |ULTIMATE.start_main_~#x~0.base|))) (= (select .cse0 (+ |ULTIMATE.start_main_~#x~0.offset| 12)) (select .cse0 |ULTIMATE.start_main_~#x~0.offset|))) [2019-11-24 18:27:44,959 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select v_prenex_21 |ULTIMATE.start_main_~#x~0.base|))) (= (select .cse0 (+ |ULTIMATE.start_main_~#x~0.offset| 12)) (select .cse0 |ULTIMATE.start_main_~#x~0.offset|))) [2019-11-24 18:27:47,854 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select v_prenex_21 |ULTIMATE.start_main_~#x~0.base|))) (= (select .cse0 (+ |ULTIMATE.start_main_~#x~0.offset| 16)) (select .cse0 (+ |ULTIMATE.start_main_~#x~0.offset| 12))))