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/array-crafted/xor3.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:14:14,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:14:14,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:14:14,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:14:14,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:14:14,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:14:14,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:14:14,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:14:14,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:14:14,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:14:14,238 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:14:14,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:14:14,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:14:14,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:14:14,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:14:14,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:14:14,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:14:14,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:14:14,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:14:14,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:14:14,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:14:14,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:14:14,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:14:14,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:14:14,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:14:14,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-17 21:14:14,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-17 21:14:14,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-17 21:14:14,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-17 21:14:14,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-17 21:14:14,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-17 21:14:14,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-17 21:14:14,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-17 21:14:14,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:14:14,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:14:14,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:14:14,277 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 [2019-08-17 21:14:14,303 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:14:14,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:14:14,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:14:14,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:14:14,305 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:14:14,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:14:14,306 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:14:14,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:14:14,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:14:14,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:14:14,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:14:14,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:14:14,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:14:14,307 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:14:14,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:14:14,307 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:14:14,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:14:14,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:14:14,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:14:14,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:14:14,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:14:14,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:14:14,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:14:14,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:14:14,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:14:14,309 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:14:14,310 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:14:14,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:14:14,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:14:14,337 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:14:14,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:14:14,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:14:14,355 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:14:14,355 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:14:14,356 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/xor3.i [2019-08-17 21:14:14,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f27f705b/1fd49cb6b89f4c879ca98297dcc95c8b/FLAG08ec5ba0f [2019-08-17 21:14:14,821 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:14:14,822 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/xor3.i [2019-08-17 21:14:14,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f27f705b/1fd49cb6b89f4c879ca98297dcc95c8b/FLAG08ec5ba0f [2019-08-17 21:14:15,246 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f27f705b/1fd49cb6b89f4c879ca98297dcc95c8b [2019-08-17 21:14:15,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:14:15,256 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:14:15,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:14:15,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:14:15,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:14:15,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:14:15" (1/1) ... [2019-08-17 21:14:15,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7060e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:15, skipping insertion in model container [2019-08-17 21:14:15,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:14:15" (1/1) ... [2019-08-17 21:14:15,273 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:14:15,291 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:14:15,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:14:15,559 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:14:15,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:14:15,724 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:14:15,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:15 WrapperNode [2019-08-17 21:14:15,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:14:15,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:14:15,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:14:15,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:14:15,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:15" (1/1) ... [2019-08-17 21:14:15,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:15" (1/1) ... [2019-08-17 21:14:15,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:15" (1/1) ... [2019-08-17 21:14:15,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:15" (1/1) ... [2019-08-17 21:14:15,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:15" (1/1) ... [2019-08-17 21:14:15,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:15" (1/1) ... [2019-08-17 21:14:15,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:15" (1/1) ... [2019-08-17 21:14:15,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:14:15,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:14:15,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:14:15,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:14:15,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:15" (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 [2019-08-17 21:14:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:14:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:14:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure xor [2019-08-17 21:14:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:14:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:14:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:14:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure xor [2019-08-17 21:14:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:14:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:14:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:14:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:14:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:14:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:14:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:14:16,087 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:14:16,087 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-17 21:14:16,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:14:16 BoogieIcfgContainer [2019-08-17 21:14:16,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:14:16,090 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:14:16,090 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:14:16,090 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:14:16,091 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:14:16" (1/1) ... [2019-08-17 21:14:16,105 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:14:16,107 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:14:16,115 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:14:16,141 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:14:16,150 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:14:16,276 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 [2019-08-17 21:14:16,276 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:16,295 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:14:16,295 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:14:16,296 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:14:16,307 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:14:16,438 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 [2019-08-17 21:14:16,439 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:16,453 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:14:16,455 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:14:16,455 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28 [2019-08-17 21:14:16,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:16,536 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2019-08-17 21:14:16,537 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:16,554 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:16,563 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 45 [2019-08-17 21:14:16,564 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:16,702 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 32 [2019-08-17 21:14:16,702 INFO L567 ElimStorePlain]: treesize reduction 206, result has 19.8 percent of original size [2019-08-17 21:14:16,704 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-08-17 21:14:16,705 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:297, output treesize:51 [2019-08-17 21:14:16,775 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:16,777 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:14:16,785 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 68 [2019-08-17 21:14:16,786 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:16,808 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:16,809 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:14:16,817 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 67 [2019-08-17 21:14:16,818 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:16,847 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:16,848 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:14:16,856 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 70 [2019-08-17 21:14:16,857 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:16,875 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:16,876 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:14:16,880 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 65 [2019-08-17 21:14:16,881 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:17,162 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-08-17 21:14:17,163 INFO L567 ElimStorePlain]: treesize reduction 48, result has 80.6 percent of original size [2019-08-17 21:14:17,167 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 4 xjuncts. [2019-08-17 21:14:17,168 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 9 variables, input treesize:291, output treesize:199 [2019-08-17 21:14:17,190 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:14:17,256 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,257 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:14:17,261 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 65 [2019-08-17 21:14:17,262 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:17,282 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,283 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:14:17,287 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 67 [2019-08-17 21:14:17,288 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:17,300 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,301 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:14:17,304 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 70 [2019-08-17 21:14:17,305 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:17,321 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,322 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,325 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,338 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 69 [2019-08-17 21:14:17,339 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:17,358 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,361 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,363 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,375 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 71 [2019-08-17 21:14:17,376 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:17,389 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,390 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:14:17,394 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 68 [2019-08-17 21:14:17,395 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:17,411 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,414 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,417 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,429 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 76 [2019-08-17 21:14:17,430 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:17,446 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,448 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,450 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,451 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 74 [2019-08-17 21:14:17,453 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:17,950 WARN L188 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 108 [2019-08-17 21:14:17,951 INFO L567 ElimStorePlain]: treesize reduction 58, result has 87.5 percent of original size [2019-08-17 21:14:17,956 INFO L496 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 1 dim-2 vars, End of recursive call: 16 dim-0 vars, and 8 xjuncts. [2019-08-17 21:14:17,956 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 17 variables, input treesize:605, output treesize:407 [2019-08-17 21:14:18,020 INFO L341 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2019-08-17 21:14:18,021 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2019-08-17 21:14:18,021 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:18,028 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:14:18,028 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:14:18,029 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2019-08-17 21:14:18,036 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 13 treesize of output 9 [2019-08-17 21:14:18,037 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:18,041 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:14:18,042 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:14:18,042 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2019-08-17 21:14:18,048 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:14:18,048 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:14:18,051 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 102#(and (exists ((v_prenex_18 Int) (v_xor_~res~0_BEFORE_RETURN_3 Int)) (or (and (not (< main_~i~2 9999)) (<= (mod v_prenex_18 4294967296) 2147483647) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 39996))) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (= main_~ret5~0 (mod v_prenex_18 4294967296))) (and (not (< main_~i~2 9999)) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 39996))) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (+ (mod v_xor_~res~0_BEFORE_RETURN_3 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (not (<= (mod v_xor_~res~0_BEFORE_RETURN_3 4294967296) 2147483647))))) (or (not (= main_~ret~0 main_~ret2~0)) (not (= main_~ret~0 main_~ret5~0)))) [2019-08-17 21:14:18,067 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:14:18,068 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:14:18,071 INFO L168 Benchmark]: Toolchain (without parser) took 2813.88 ms. Allocated memory was 134.2 MB in the beginning and 228.1 MB in the end (delta: 93.8 MB). Free memory was 89.7 MB in the beginning and 118.0 MB in the end (delta: -28.3 MB). Peak memory consumption was 79.0 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:18,075 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:14:18,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 468.26 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 89.5 MB in the beginning and 177.7 MB in the end (delta: -88.3 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:18,081 INFO L168 Benchmark]: Boogie Preprocessor took 40.21 ms. Allocated memory is still 200.8 MB. Free memory was 177.7 MB in the beginning and 175.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:18,083 INFO L168 Benchmark]: RCFGBuilder took 322.96 ms. Allocated memory is still 200.8 MB. Free memory was 175.5 MB in the beginning and 159.9 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:18,084 INFO L168 Benchmark]: Symbolic Interpretation took 1978.85 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 159.9 MB in the beginning and 118.0 MB in the end (delta: 41.9 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:18,096 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 42]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 102#(and (exists ((v_prenex_18 Int) (v_xor_~res~0_BEFORE_RETURN_3 Int)) (or (and (not (< main_~i~2 9999)) (<= (mod v_prenex_18 4294967296) 2147483647) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 39996))) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (= main_~ret5~0 (mod v_prenex_18 4294967296))) (and (not (< main_~i~2 9999)) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 39996))) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (+ (mod v_xor_~res~0_BEFORE_RETURN_3 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (not (<= (mod v_xor_~res~0_BEFORE_RETURN_3 4294967296) 2147483647))))) (or (not (= main_~ret~0 main_~ret2~0)) (not (= main_~ret~0 main_~ret5~0)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 468.26 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 89.5 MB in the beginning and 177.7 MB in the end (delta: -88.3 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.21 ms. Allocated memory is still 200.8 MB. Free memory was 177.7 MB in the beginning and 175.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 322.96 ms. Allocated memory is still 200.8 MB. Free memory was 175.5 MB in the beginning and 159.9 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1978.85 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 159.9 MB in the beginning and 118.0 MB in the end (delta: 41.9 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...