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/sep.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 19:09:20,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 19:09:20,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 19:09:20,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 19:09:20,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 19:09:20,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 19:09:20,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 19:09:20,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 19:09:20,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 19:09:20,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 19:09:20,588 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 19:09:20,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 19:09:20,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 19:09:20,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 19:09:20,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 19:09:20,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 19:09:20,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 19:09:20,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 19:09:20,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 19:09:20,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 19:09:20,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 19:09:20,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 19:09:20,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 19:09:20,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 19:09:20,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 19:09:20,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 19:09:20,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 19:09:20,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 19:09:20,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 19:09:20,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 19:09:20,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 19:09:20,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 19:09:20,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 19:09:20,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 19:09:20,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 19:09:20,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 19:09:20,640 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 [2019-08-22 19:09:20,665 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 19:09:20,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 19:09:20,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 19:09:20,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 19:09:20,668 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 19:09:20,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 19:09:20,668 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 19:09:20,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 19:09:20,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 19:09:20,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 19:09:20,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 19:09:20,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 19:09:20,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 19:09:20,671 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 19:09:20,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 19:09:20,671 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 19:09:20,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 19:09:20,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 19:09:20,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 19:09:20,672 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 19:09:20,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 19:09:20,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 19:09:20,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 19:09:20,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 19:09:20,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 19:09:20,674 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 19:09:20,674 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 19:09:20,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 19:09:20,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 19:09:20,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 19:09:20,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 19:09:20,755 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 19:09:20,757 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 19:09:20,757 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 19:09:20,758 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sep.i [2019-08-22 19:09:20,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05c2c21ae/89d5ab98bb824dcf978335bc9f8b91b8/FLAG218cf86dd [2019-08-22 19:09:21,312 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 19:09:21,313 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sep.i [2019-08-22 19:09:21,319 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05c2c21ae/89d5ab98bb824dcf978335bc9f8b91b8/FLAG218cf86dd [2019-08-22 19:09:21,688 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05c2c21ae/89d5ab98bb824dcf978335bc9f8b91b8 [2019-08-22 19:09:21,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 19:09:21,704 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 19:09:21,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 19:09:21,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 19:09:21,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 19:09:21,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:09:21" (1/1) ... [2019-08-22 19:09:21,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c11ac74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:09:21, skipping insertion in model container [2019-08-22 19:09:21,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:09:21" (1/1) ... [2019-08-22 19:09:21,721 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 19:09:21,742 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 19:09:21,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 19:09:21,937 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 19:09:21,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 19:09:21,973 INFO L192 MainTranslator]: Completed translation [2019-08-22 19:09:21,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:09:21 WrapperNode [2019-08-22 19:09:21,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 19:09:21,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 19:09:21,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 19:09:21,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 19:09:22,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:09:21" (1/1) ... [2019-08-22 19:09:22,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:09:21" (1/1) ... [2019-08-22 19:09:22,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:09:21" (1/1) ... [2019-08-22 19:09:22,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:09:21" (1/1) ... [2019-08-22 19:09:22,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:09:21" (1/1) ... [2019-08-22 19:09:22,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:09:21" (1/1) ... [2019-08-22 19:09:22,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:09:21" (1/1) ... [2019-08-22 19:09:22,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 19:09:22,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 19:09:22,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 19:09:22,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 19:09:22,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:09:21" (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 [2019-08-22 19:09:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 19:09:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 19:09:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2019-08-22 19:09:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 19:09:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 19:09:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-22 19:09:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2019-08-22 19:09:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 19:09:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 19:09:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 19:09:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 19:09:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 19:09:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 19:09:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 19:09:22,527 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 19:09:22,528 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-22 19:09:22,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:09:22 BoogieIcfgContainer [2019-08-22 19:09:22,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 19:09:22,531 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 19:09:22,531 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 19:09:22,531 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 19:09:22,532 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:09:22" (1/1) ... [2019-08-22 19:09:22,544 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 19:09:22,546 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 19:09:22,553 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 19:09:22,561 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 19:09:22,563 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 19:09:22,648 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 [2019-08-22 19:09:22,649 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 19:09:22,684 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 19:09:22,684 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 19:09:22,685 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2019-08-22 19:09:22,707 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 25 [2019-08-22 19:09:27,729 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6410 conjuctions. This might take some time... [2019-08-22 19:09:31,267 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6410 conjuctions. [2019-08-22 19:09:33,136 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6430 conjuctions. This might take some time... [2019-08-22 19:09:36,710 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6430 conjuctions. [2019-08-22 19:09:36,768 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6430 conjuctions. This might take some time... [2019-08-22 19:09:42,145 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6430 conjuctions. [2019-08-22 19:09:44,561 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6430 conjuctions. This might take some time... [2019-08-22 19:09:47,980 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6430 conjuctions. [2019-08-22 19:09:48,043 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6430 conjuctions. This might take some time... [2019-08-22 19:09:53,137 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6430 conjuctions. [2019-08-22 19:09:53,985 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6425 conjuctions. This might take some time... [2019-08-22 19:09:57,497 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6425 conjuctions. [2019-08-22 19:09:58,504 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6425 conjuctions. This might take some time... [2019-08-22 19:10:02,296 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6425 conjuctions. [2019-08-22 19:10:02,744 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 15202 conjuctions. This might take some time... [2019-08-22 19:10:39,501 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 15202 conjuctions. [2019-08-22 19:10:41,444 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6450 conjuctions. This might take some time... [2019-08-22 19:10:45,829 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6450 conjuctions. [2019-08-22 19:10:46,761 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6438 conjuctions. This might take some time...