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/avg05-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-29 23:53:04,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-29 23:53:04,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-29 23:53:04,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-29 23:53:04,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-29 23:53:04,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-29 23:53:04,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-29 23:53:04,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-29 23:53:04,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-29 23:53:04,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-29 23:53:04,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-29 23:53:04,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-29 23:53:04,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-29 23:53:04,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-29 23:53:04,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-29 23:53:04,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-29 23:53:04,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-29 23:53:04,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-29 23:53:04,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-29 23:53:05,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-29 23:53:05,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-29 23:53:05,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-29 23:53:05,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-29 23:53:05,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-29 23:53:05,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-29 23:53:05,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-29 23:53:05,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-29 23:53:05,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-29 23:53:05,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-29 23:53:05,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-29 23:53:05,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-29 23:53:05,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-29 23:53:05,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-29 23:53:05,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-29 23:53:05,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-29 23:53:05,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-29 23:53:05,018 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 23:53:05,048 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-29 23:53:05,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-29 23:53:05,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-29 23:53:05,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-29 23:53:05,051 INFO L138 SettingsManager]: * Use SBE=true [2019-08-29 23:53:05,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-29 23:53:05,051 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-29 23:53:05,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-29 23:53:05,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-29 23:53:05,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-29 23:53:05,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-29 23:53:05,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-29 23:53:05,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-29 23:53:05,054 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-29 23:53:05,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-29 23:53:05,054 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-29 23:53:05,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-29 23:53:05,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-29 23:53:05,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-29 23:53:05,055 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-29 23:53:05,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-29 23:53:05,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-29 23:53:05,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-29 23:53:05,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-29 23:53:05,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-29 23:53:05,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-29 23:53:05,057 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-29 23:53:05,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-29 23:53:05,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-29 23:53:05,098 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-29 23:53:05,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-29 23:53:05,119 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-29 23:53:05,120 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-29 23:53:05,121 INFO L275 PluginConnector]: CDTParser initialized [2019-08-29 23:53:05,122 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/avg05-1.i [2019-08-29 23:53:05,184 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28aafb866/bc61269376994e2e91b5e0cfc2469dec/FLAGac9e8d178 [2019-08-29 23:53:05,693 INFO L306 CDTParser]: Found 1 translation units. [2019-08-29 23:53:05,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/avg05-1.i [2019-08-29 23:53:05,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28aafb866/bc61269376994e2e91b5e0cfc2469dec/FLAGac9e8d178 [2019-08-29 23:53:06,115 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28aafb866/bc61269376994e2e91b5e0cfc2469dec [2019-08-29 23:53:06,125 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-29 23:53:06,126 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-29 23:53:06,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-29 23:53:06,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-29 23:53:06,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-29 23:53:06,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 11:53:06" (1/1) ... [2019-08-29 23:53:06,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25436088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:53:06, skipping insertion in model container [2019-08-29 23:53:06,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 11:53:06" (1/1) ... [2019-08-29 23:53:06,144 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-29 23:53:06,166 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-29 23:53:06,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-29 23:53:06,418 INFO L188 MainTranslator]: Completed pre-run [2019-08-29 23:53:06,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-29 23:53:06,453 INFO L192 MainTranslator]: Completed translation [2019-08-29 23:53:06,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:53:06 WrapperNode [2019-08-29 23:53:06,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-29 23:53:06,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-29 23:53:06,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-29 23:53:06,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-29 23:53:06,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:53:06" (1/1) ... [2019-08-29 23:53:06,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:53:06" (1/1) ... [2019-08-29 23:53:06,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:53:06" (1/1) ... [2019-08-29 23:53:06,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:53:06" (1/1) ... [2019-08-29 23:53:06,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:53:06" (1/1) ... [2019-08-29 23:53:06,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:53:06" (1/1) ... [2019-08-29 23:53:06,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:53:06" (1/1) ... [2019-08-29 23:53:06,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-29 23:53:06,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-29 23:53:06,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-29 23:53:06,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-29 23:53:06,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:53:06" (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 23:53:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-29 23:53:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-29 23:53:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure avg [2019-08-29 23:53:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-29 23:53:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-29 23:53:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-29 23:53:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure avg [2019-08-29 23:53:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-29 23:53:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-29 23:53:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-29 23:53:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-29 23:53:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-29 23:53:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-29 23:53:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-29 23:53:06,997 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-29 23:53:06,998 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-29 23:53:06,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 11:53:06 BoogieIcfgContainer [2019-08-29 23:53:06,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-29 23:53:07,000 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-29 23:53:07,000 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-29 23:53:07,000 INFO L275 PluginConnector]: Sifa initialized [2019-08-29 23:53:07,002 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 11:53:06" (1/1) ... [2019-08-29 23:53:07,034 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-29 23:53:07,035 INFO L169 IcfgInterpreter]: Building call graph [2019-08-29 23:53:07,043 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-29 23:53:07,052 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-29 23:53:07,053 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-29 23:53:07,173 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 23:53:07,174 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-29 23:53:07,205 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-29 23:53:07,206 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-29 23:53:07,206 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-29 23:53:07,223 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-08-29 23:53:07,346 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 23:53:07,347 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-29 23:53:07,365 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-29 23:53:07,367 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 23:53:07,368 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28 [2019-08-30 00:03:52,504 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5614 conjuctions. This might take some time... [2019-08-30 00:03:54,697 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5614 conjuctions. [2019-08-30 00:07:34,382 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5614 conjuctions. This might take some time... [2019-08-30 00:07:36,528 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5614 conjuctions.