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/reducercommutativity/sum05-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-30 00:09:39,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-30 00:09:39,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-30 00:09:39,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-30 00:09:39,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-30 00:09:39,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-30 00:09:39,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-30 00:09:39,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-30 00:09:39,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-30 00:09:39,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-30 00:09:39,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-30 00:09:39,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-30 00:09:39,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-30 00:09:39,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-30 00:09:39,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-30 00:09:39,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-30 00:09:39,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-30 00:09:39,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-30 00:09:39,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-30 00:09:39,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-30 00:09:39,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-30 00:09:39,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-30 00:09:39,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-30 00:09:39,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-30 00:09:39,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-30 00:09:39,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-30 00:09:39,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-30 00:09:39,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-30 00:09:39,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-30 00:09:39,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-30 00:09:39,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-30 00:09:39,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-30 00:09:39,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-30 00:09:39,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-30 00:09:39,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-30 00:09:39,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-30 00:09:39,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-30 00:09:39,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-30 00:09:39,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-30 00:09:39,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-30 00:09:39,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-30 00:09:39,354 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 [2019-08-30 00:09:39,368 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-30 00:09:39,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-30 00:09:39,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-30 00:09:39,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-30 00:09:39,372 INFO L138 SettingsManager]: * Use SBE=true [2019-08-30 00:09:39,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-30 00:09:39,373 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-30 00:09:39,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-30 00:09:39,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-30 00:09:39,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-30 00:09:39,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-30 00:09:39,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-30 00:09:39,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-30 00:09:39,374 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-30 00:09:39,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-30 00:09:39,374 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-30 00:09:39,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-30 00:09:39,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-30 00:09:39,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-30 00:09:39,375 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-30 00:09:39,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-30 00:09:39,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-30 00:09:39,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-30 00:09:39,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-30 00:09:39,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-30 00:09:39,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-30 00:09:39,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-30 00:09:39,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-30 00:09:39,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-30 00:09:39,410 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-30 00:09:39,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-30 00:09:39,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-30 00:09:39,427 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-30 00:09:39,428 INFO L275 PluginConnector]: CDTParser initialized [2019-08-30 00:09:39,431 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sum05-2.i [2019-08-30 00:09:39,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcd336a19/da3d01ed2f9043c2ac1414494c0b1bf0/FLAG9a48cacc4 [2019-08-30 00:09:39,951 INFO L306 CDTParser]: Found 1 translation units. [2019-08-30 00:09:39,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sum05-2.i [2019-08-30 00:09:39,961 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcd336a19/da3d01ed2f9043c2ac1414494c0b1bf0/FLAG9a48cacc4 [2019-08-30 00:09:40,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcd336a19/da3d01ed2f9043c2ac1414494c0b1bf0 [2019-08-30 00:09:40,386 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-30 00:09:40,388 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-30 00:09:40,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-30 00:09:40,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-30 00:09:40,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-30 00:09:40,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:09:40" (1/1) ... [2019-08-30 00:09:40,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67f10f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:09:40, skipping insertion in model container [2019-08-30 00:09:40,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:09:40" (1/1) ... [2019-08-30 00:09:40,405 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-30 00:09:40,422 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-30 00:09:40,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-30 00:09:40,621 INFO L188 MainTranslator]: Completed pre-run [2019-08-30 00:09:40,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-30 00:09:40,663 INFO L192 MainTranslator]: Completed translation [2019-08-30 00:09:40,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:09:40 WrapperNode [2019-08-30 00:09:40,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-30 00:09:40,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-30 00:09:40,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-30 00:09:40,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-30 00:09:40,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:09:40" (1/1) ... [2019-08-30 00:09:40,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:09:40" (1/1) ... [2019-08-30 00:09:40,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:09:40" (1/1) ... [2019-08-30 00:09:40,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:09:40" (1/1) ... [2019-08-30 00:09:40,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:09:40" (1/1) ... [2019-08-30 00:09:40,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:09:40" (1/1) ... [2019-08-30 00:09:40,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:09:40" (1/1) ... [2019-08-30 00:09:40,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-30 00:09:40,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-30 00:09:40,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-30 00:09:40,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-30 00:09:40,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:09:40" (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 [2019-08-30 00:09:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-30 00:09:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-30 00:09:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2019-08-30 00:09:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-30 00:09:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-30 00:09:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-30 00:09:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2019-08-30 00:09:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-30 00:09:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-30 00:09:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-30 00:09:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-30 00:09:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-30 00:09:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-30 00:09:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-30 00:09:41,167 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-30 00:09:41,168 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-30 00:09:41,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:09:41 BoogieIcfgContainer [2019-08-30 00:09:41,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-30 00:09:41,170 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-30 00:09:41,170 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-30 00:09:41,170 INFO L275 PluginConnector]: Sifa initialized [2019-08-30 00:09:41,171 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:09:41" (1/1) ... [2019-08-30 00:09:41,213 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-30 00:09:41,214 INFO L169 IcfgInterpreter]: Building call graph [2019-08-30 00:09:41,222 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-30 00:09:41,230 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-30 00:09:41,232 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-30 00:09:41,335 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-30 00:09:41,336 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-30 00:09:41,375 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-30 00:09:41,376 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-30 00:09:41,376 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-30 00:09:41,398 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-08-30 00:09:41,533 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-08-30 00:09:41,534 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-30 00:09:41,547 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-30 00:09:41,548 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-30 00:09:41,549 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28 [2019-08-30 00:15:15,455 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5974 conjuctions. This might take some time... [2019-08-30 00:15:17,951 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5974 conjuctions. [2019-08-30 00:17:51,229 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5974 conjuctions. This might take some time... [2019-08-30 00:17:53,592 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5974 conjuctions. [2019-08-30 00:17:53,671 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7889 conjuctions. This might take some time... [2019-08-30 00:17:58,082 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7889 conjuctions. [2019-08-30 00:19:47,088 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5033 conjuctions. This might take some time... [2019-08-30 00:19:49,364 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5033 conjuctions. [2019-08-30 00:21:11,263 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5974 conjuctions. This might take some time... [2019-08-30 00:21:13,756 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5974 conjuctions. [2019-08-30 00:21:13,834 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7889 conjuctions. This might take some time... [2019-08-30 00:21:18,923 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7889 conjuctions. [2019-08-30 00:21:56,449 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 10237 conjuctions. This might take some time... [2019-08-30 00:22:09,703 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 10237 conjuctions. [2019-08-30 00:23:15,271 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5033 conjuctions. This might take some time... [2019-08-30 00:23:17,514 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5033 conjuctions.