/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/max40-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 18:27:14,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 18:27:14,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 18:27:14,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 18:27:14,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 18:27:14,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 18:27:14,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 18:27:14,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 18:27:14,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 18:27:14,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 18:27:14,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 18:27:14,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 18:27:14,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 18:27:14,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 18:27:14,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 18:27:14,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 18:27:14,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 18:27:14,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 18:27:14,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 18:27:14,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 18:27:14,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 18:27:14,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 18:27:14,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 18:27:14,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 18:27:14,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 18:27:14,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 18:27:14,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 18:27:14,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 18:27:14,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 18:27:14,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 18:27:14,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 18:27:14,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 18:27:14,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 18:27:14,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 18:27:14,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 18:27:14,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 18:27:14,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 18:27:14,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 18:27:14,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 18:27:14,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 18:27:14,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 18:27:14,505 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 18:27:14,524 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 18:27:14,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 18:27:14,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 18:27:14,526 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 18:27:14,526 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 18:27:14,526 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 18:27:14,526 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 18:27:14,526 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 18:27:14,527 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 18:27:14,527 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 18:27:14,528 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 18:27:14,528 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 18:27:14,528 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 18:27:14,529 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 18:27:14,529 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 18:27:14,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 18:27:14,530 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 18:27:14,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 18:27:14,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 18:27:14,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 18:27:14,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 18:27:14,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 18:27:14,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 18:27:14,531 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 18:27:14,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 18:27:14,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 18:27:14,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 18:27:14,532 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 18:27:14,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 18:27:14,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 18:27:14,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 18:27:14,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 18:27:14,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 18:27:14,535 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 18:27:14,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 18:27:14,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 18:27:14,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 18:27:14,536 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 18:27:14,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 18:27:14,885 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 18:27:14,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 18:27:14,891 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 18:27:14,891 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 18:27:14,892 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/max40-1.i [2019-11-24 18:27:14,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c0e62748/ad0952c1db564aa18d86fc1b17205a5e/FLAG540d18d66 [2019-11-24 18:27:15,413 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 18:27:15,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/max40-1.i [2019-11-24 18:27:15,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c0e62748/ad0952c1db564aa18d86fc1b17205a5e/FLAG540d18d66 [2019-11-24 18:27:15,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c0e62748/ad0952c1db564aa18d86fc1b17205a5e [2019-11-24 18:27:15,838 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 18:27:15,840 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 18:27:15,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 18:27:15,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 18:27:15,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 18:27:15,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:27:15" (1/1) ... [2019-11-24 18:27:15,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef52c97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:27:15, skipping insertion in model container [2019-11-24 18:27:15,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:27:15" (1/1) ... [2019-11-24 18:27:15,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 18:27:15,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 18:27:16,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:27:16,080 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 18:27:16,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:27:16,141 INFO L208 MainTranslator]: Completed translation [2019-11-24 18:27:16,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:27:16 WrapperNode [2019-11-24 18:27:16,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 18:27:16,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 18:27:16,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 18:27:16,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 18:27:16,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:27:16" (1/1) ... [2019-11-24 18:27:16,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:27:16" (1/1) ... [2019-11-24 18:27:16,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 18:27:16,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 18:27:16,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 18:27:16,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 18:27:16,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:27:16" (1/1) ... [2019-11-24 18:27:16,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:27:16" (1/1) ... [2019-11-24 18:27:16,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:27:16" (1/1) ... [2019-11-24 18:27:16,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:27:16" (1/1) ... [2019-11-24 18:27:16,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:27:16" (1/1) ... [2019-11-24 18:27:16,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:27:16" (1/1) ... [2019-11-24 18:27:16,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:27:16" (1/1) ... [2019-11-24 18:27:16,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 18:27:16,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 18:27:16,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 18:27:16,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 18:27:16,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:27:16" (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 18:27:16,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 18:27:16,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 18:27:16,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 18:27:16,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 18:27:16,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 18:27:16,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 18:27:16,962 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 18:27:16,962 INFO L284 CfgBuilder]: Removed 15 assume(true) statements. [2019-11-24 18:27:16,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:27:16 BoogieIcfgContainer [2019-11-24 18:27:16,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 18:27:16,964 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 18:27:16,965 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 18:27:16,965 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 18:27:16,966 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:27:16" (1/1) ... [2019-11-24 18:27:16,967 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 18:27:16,992 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 18:27:16,992 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 18:27:17,001 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 18:27:17,008 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 18:27:17,010 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 18:27:42,210 WARN L192 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 349 [2019-11-24 18:27:42,511 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 343 [2019-11-24 18:27:43,142 WARN L192 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 656 [2019-11-24 18:27:43,649 WARN L192 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 632 [2019-11-24 18:27:44,579 WARN L192 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 1146 [2019-11-24 18:27:46,081 WARN L192 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 1146 DAG size of output: 1135 [2019-11-24 18:27:48,752 WARN L192 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 1973 DAG size of output: 1954 [2019-11-24 18:27:53,238 WARN L192 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 1950 DAG size of output: 1943 [2019-11-24 18:27:59,919 WARN L192 SmtUtils]: Spent 6.16 s on a formula simplification. DAG size of input: 3104 DAG size of output: 3080 [2019-11-24 18:28:06,132 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5328 conjuctions. This might take some time... [2019-11-24 18:28:15,806 WARN L192 SmtUtils]: Spent 6.52 s on a formula simplification. DAG size of input: 3073 DAG size of output: 3062 [2019-11-24 18:28:32,182 WARN L192 SmtUtils]: Spent 15.22 s on a formula simplification. DAG size of input: 4736 DAG size of output: 4703 [2019-11-24 18:28:35,414 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5250 conjuctions. This might take some time... [2019-11-24 18:28:39,010 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7093 conjuctions. This might take some time...