/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/sep40-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 18:29:23,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 18:29:23,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 18:29:23,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 18:29:23,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 18:29:23,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 18:29:23,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 18:29:23,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 18:29:23,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 18:29:23,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 18:29:23,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 18:29:23,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 18:29:23,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 18:29:23,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 18:29:23,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 18:29:23,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 18:29:23,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 18:29:23,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 18:29:23,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 18:29:23,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 18:29:23,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 18:29:24,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 18:29:24,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 18:29:24,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 18:29:24,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 18:29:24,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 18:29:24,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 18:29:24,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 18:29:24,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 18:29:24,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 18:29:24,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 18:29:24,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 18:29:24,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 18:29:24,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 18:29:24,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 18:29:24,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 18:29:24,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 18:29:24,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 18:29:24,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 18:29:24,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 18:29:24,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 18:29:24,024 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 18:29:24,057 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 18:29:24,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 18:29:24,058 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 18:29:24,059 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 18:29:24,059 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 18:29:24,059 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 18:29:24,059 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 18:29:24,059 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 18:29:24,060 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 18:29:24,060 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 18:29:24,061 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 18:29:24,061 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 18:29:24,062 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 18:29:24,062 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 18:29:24,062 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 18:29:24,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 18:29:24,064 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 18:29:24,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 18:29:24,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 18:29:24,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 18:29:24,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 18:29:24,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 18:29:24,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 18:29:24,065 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 18:29:24,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 18:29:24,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 18:29:24,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 18:29:24,066 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 18:29:24,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 18:29:24,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 18:29:24,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 18:29:24,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 18:29:24,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 18:29:24,069 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 18:29:24,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 18:29:24,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 18:29:24,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 18:29:24,070 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 18:29:24,381 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 18:29:24,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 18:29:24,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 18:29:24,404 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 18:29:24,404 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 18:29:24,405 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sep40-1.i [2019-11-24 18:29:24,484 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/318bf94a4/e4aa802e554e4bbdbad794c49e3997d7/FLAG506804b36 [2019-11-24 18:29:24,974 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 18:29:24,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sep40-1.i [2019-11-24 18:29:24,981 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/318bf94a4/e4aa802e554e4bbdbad794c49e3997d7/FLAG506804b36 [2019-11-24 18:29:25,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/318bf94a4/e4aa802e554e4bbdbad794c49e3997d7 [2019-11-24 18:29:25,310 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 18:29:25,312 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 18:29:25,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 18:29:25,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 18:29:25,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 18:29:25,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:29:25" (1/1) ... [2019-11-24 18:29:25,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72b4ea73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:29:25, skipping insertion in model container [2019-11-24 18:29:25,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:29:25" (1/1) ... [2019-11-24 18:29:25,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 18:29:25,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 18:29:25,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:29:25,632 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 18:29:25,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:29:25,697 INFO L208 MainTranslator]: Completed translation [2019-11-24 18:29:25,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:29:25 WrapperNode [2019-11-24 18:29:25,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 18:29:25,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 18:29:25,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 18:29:25,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 18:29:25,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:29:25" (1/1) ... [2019-11-24 18:29:25,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:29:25" (1/1) ... [2019-11-24 18:29:25,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 18:29:25,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 18:29:25,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 18:29:25,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 18:29:25,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:29:25" (1/1) ... [2019-11-24 18:29:25,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:29:25" (1/1) ... [2019-11-24 18:29:25,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:29:25" (1/1) ... [2019-11-24 18:29:25,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:29:25" (1/1) ... [2019-11-24 18:29:25,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:29:25" (1/1) ... [2019-11-24 18:29:25,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:29:25" (1/1) ... [2019-11-24 18:29:25,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:29:25" (1/1) ... [2019-11-24 18:29:25,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 18:29:25,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 18:29:25,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 18:29:25,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 18:29:25,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:29:25" (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 18:29:25,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 18:29:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 18:29:25,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 18:29:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 18:29:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 18:29:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 18:29:26,585 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 18:29:26,586 INFO L284 CfgBuilder]: Removed 15 assume(true) statements. [2019-11-24 18:29:26,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:29:26 BoogieIcfgContainer [2019-11-24 18:29:26,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 18:29:26,588 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 18:29:26,588 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 18:29:26,589 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 18:29:26,590 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:29:26" (1/1) ... [2019-11-24 18:29:26,591 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 18:29:26,618 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 18:29:26,618 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 18:29:26,626 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 18:29:26,634 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 18:29:26,636 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 18:29:36,542 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 182 [2019-11-24 18:29:37,972 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2019-11-24 18:29:56,058 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 307 [2019-11-24 18:29:56,491 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 299 [2019-11-24 18:29:56,836 WARN L192 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 604 [2019-11-24 18:30:00,663 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 595 [2019-11-24 18:30:01,408 WARN L192 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 1179 DAG size of output: 1172 [2019-11-24 18:30:05,350 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13445 conjuctions. This might take some time... [2019-11-24 18:30:17,255 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5384 conjuctions. This might take some time... [2019-11-24 18:30:18,940 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13333 conjuctions. This might take some time... [2019-11-24 18:30:51,755 WARN L192 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 1095 DAG size of output: 1091 [2019-11-24 18:30:54,223 WARN L192 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 2178 DAG size of output: 2171 [2019-11-24 18:30:57,609 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5382 conjuctions. This might take some time... [2019-11-24 18:31:00,566 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5374 conjuctions. This might take some time... [2019-11-24 18:31:02,722 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 10671 conjuctions. This might take some time...