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/avg20-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-29 23:53:12,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-29 23:53:12,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-29 23:53:12,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-29 23:53:12,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-29 23:53:12,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-29 23:53:12,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-29 23:53:12,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-29 23:53:12,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-29 23:53:12,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-29 23:53:12,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-29 23:53:12,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-29 23:53:12,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-29 23:53:12,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-29 23:53:12,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-29 23:53:12,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-29 23:53:12,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-29 23:53:12,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-29 23:53:12,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-29 23:53:12,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-29 23:53:12,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-29 23:53:12,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-29 23:53:12,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-29 23:53:12,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-29 23:53:12,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-29 23:53:12,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-29 23:53:12,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-29 23:53:12,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-29 23:53:12,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-29 23:53:12,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-29 23:53:12,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-29 23:53:12,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-29 23:53:12,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-29 23:53:12,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-29 23:53:12,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-29 23:53:12,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-29 23:53:12,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-29 23:53:12,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-29 23:53:12,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-29 23:53:12,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-29 23:53:12,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-29 23:53:12,185 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 [2019-08-29 23:53:12,200 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-29 23:53:12,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-29 23:53:12,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-29 23:53:12,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-29 23:53:12,202 INFO L138 SettingsManager]: * Use SBE=true [2019-08-29 23:53:12,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-29 23:53:12,202 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-29 23:53:12,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-29 23:53:12,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-29 23:53:12,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-29 23:53:12,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-29 23:53:12,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-29 23:53:12,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-29 23:53:12,204 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-29 23:53:12,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-29 23:53:12,204 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-29 23:53:12,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-29 23:53:12,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-29 23:53:12,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-29 23:53:12,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-29 23:53:12,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-29 23:53:12,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-29 23:53:12,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-29 23:53:12,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-29 23:53:12,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-29 23:53:12,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-29 23:53:12,208 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-29 23:53:12,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-29 23:53:12,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-29 23:53:12,256 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-29 23:53:12,270 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-29 23:53:12,275 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-29 23:53:12,277 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-29 23:53:12,277 INFO L275 PluginConnector]: CDTParser initialized [2019-08-29 23:53:12,278 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/avg20-2.i [2019-08-29 23:53:12,344 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f19e63708/a112e530d8f54c8092aecf249c6ddcef/FLAGb430676ce [2019-08-29 23:53:12,782 INFO L306 CDTParser]: Found 1 translation units. [2019-08-29 23:53:12,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/avg20-2.i [2019-08-29 23:53:12,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f19e63708/a112e530d8f54c8092aecf249c6ddcef/FLAGb430676ce [2019-08-29 23:53:13,189 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f19e63708/a112e530d8f54c8092aecf249c6ddcef [2019-08-29 23:53:13,199 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-29 23:53:13,200 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-29 23:53:13,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-29 23:53:13,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-29 23:53:13,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-29 23:53:13,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 11:53:13" (1/1) ... [2019-08-29 23:53:13,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1028fa7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:53:13, skipping insertion in model container [2019-08-29 23:53:13,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 11:53:13" (1/1) ... [2019-08-29 23:53:13,227 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-29 23:53:13,250 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-29 23:53:13,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-29 23:53:13,474 INFO L188 MainTranslator]: Completed pre-run [2019-08-29 23:53:13,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-29 23:53:13,612 INFO L192 MainTranslator]: Completed translation [2019-08-29 23:53:13,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:53:13 WrapperNode [2019-08-29 23:53:13,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-29 23:53:13,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-29 23:53:13,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-29 23:53:13,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-29 23:53:13,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:53:13" (1/1) ... [2019-08-29 23:53:13,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:53:13" (1/1) ... [2019-08-29 23:53:13,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:53:13" (1/1) ... [2019-08-29 23:53:13,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:53:13" (1/1) ... [2019-08-29 23:53:13,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:53:13" (1/1) ... [2019-08-29 23:53:13,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:53:13" (1/1) ... [2019-08-29 23:53:13,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:53:13" (1/1) ... [2019-08-29 23:53:13,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-29 23:53:13,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-29 23:53:13,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-29 23:53:13,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-29 23:53:13,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:53:13" (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 [2019-08-29 23:53:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-29 23:53:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-29 23:53:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure avg [2019-08-29 23:53:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-29 23:53:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-29 23:53:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-29 23:53:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure avg [2019-08-29 23:53:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-29 23:53:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-29 23:53:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-29 23:53:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-29 23:53:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-29 23:53:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-29 23:53:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-29 23:53:14,015 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-29 23:53:14,015 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-29 23:53:14,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 11:53:14 BoogieIcfgContainer [2019-08-29 23:53:14,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-29 23:53:14,017 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-29 23:53:14,018 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-29 23:53:14,018 INFO L275 PluginConnector]: Sifa initialized [2019-08-29 23:53:14,019 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 11:53:14" (1/1) ... [2019-08-29 23:53:14,059 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-29 23:53:14,059 INFO L169 IcfgInterpreter]: Building call graph [2019-08-29 23:53:14,068 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-29 23:53:14,085 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-29 23:53:14,087 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-29 23:53:14,206 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 [2019-08-29 23:53:14,207 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-29 23:53:14,232 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-29 23:53:14,233 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-29 23:53:14,233 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-29 23:53:14,250 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-08-29 23:53:14,373 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 [2019-08-29 23:53:14,374 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-29 23:53:14,394 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-29 23:53:14,395 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-29 23:53:14,396 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28 [2019-08-29 23:58:29,277 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5802 conjuctions. This might take some time... [2019-08-29 23:58:31,714 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5802 conjuctions. [2019-08-30 00:00:20,151 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5802 conjuctions. This might take some time... [2019-08-30 00:00:22,471 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5802 conjuctions. [2019-08-30 00:00:42,882 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6805 conjuctions. This might take some time... [2019-08-30 00:00:46,334 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6805 conjuctions. [2019-08-30 00:03:04,000 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5802 conjuctions. This might take some time... [2019-08-30 00:03:06,315 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5802 conjuctions. [2019-08-30 00:03:26,655 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6805 conjuctions. This might take some time... [2019-08-30 00:03:29,897 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6805 conjuctions. [2019-08-30 00:03:57,997 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7936 conjuctions. This might take some time... [2019-08-30 00:04:04,974 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7936 conjuctions. [2019-08-30 00:06:47,668 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5802 conjuctions. This might take some time... [2019-08-30 00:06:49,772 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5802 conjuctions. [2019-08-30 00:07:09,948 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6805 conjuctions. This might take some time... [2019-08-30 00:07:13,159 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6805 conjuctions. [2019-08-30 00:07:41,101 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7936 conjuctions. This might take some time... [2019-08-30 00:07:46,809 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7936 conjuctions.