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/xor5.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:14:13,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:14:13,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:14:13,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:14:13,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:14:13,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:14:13,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:14:13,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:14:14,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:14:14,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:14:14,003 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:14:14,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:14:14,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:14:14,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:14:14,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:14:14,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:14:14,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:14:14,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:14:14,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:14:14,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:14:14,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:14:14,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:14:14,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:14:14,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:14:14,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:14:14,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-17 21:14:14,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-17 21:14:14,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-17 21:14:14,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-17 21:14:14,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-17 21:14:14,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-17 21:14:14,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-17 21:14:14,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-17 21:14:14,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:14:14,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:14:14,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:14:14,033 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 21:14:14,056 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:14:14,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:14:14,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:14:14,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:14:14,062 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:14:14,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:14:14,062 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:14:14,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:14:14,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:14:14,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:14:14,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:14:14,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:14:14,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:14:14,064 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:14:14,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:14:14,064 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:14:14,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:14:14,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:14:14,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:14:14,065 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:14:14,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:14:14,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:14:14,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:14:14,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:14:14,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:14:14,068 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:14:14,068 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:14:14,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:14:14,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:14:14,103 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:14:14,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:14:14,119 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:14:14,120 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:14:14,121 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:14:14,122 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/xor5.i [2019-08-17 21:14:14,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/663e9cc93/b948ce1e4a13476e9bde2222040b1950/FLAG999c97a4e [2019-08-17 21:14:14,676 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:14:14,679 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/xor5.i [2019-08-17 21:14:14,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/663e9cc93/b948ce1e4a13476e9bde2222040b1950/FLAG999c97a4e [2019-08-17 21:14:15,022 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/663e9cc93/b948ce1e4a13476e9bde2222040b1950 [2019-08-17 21:14:15,036 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:14:15,038 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:14:15,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:14:15,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:14:15,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:14:15,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:14:15" (1/1) ... [2019-08-17 21:14:15,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54848ebd 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 21:14:15,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:14:15" (1/1) ... [2019-08-17 21:14:15,056 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:14:15,083 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:14:15,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:14:15,369 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:14:15,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:14:15,505 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:14:15,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:15 WrapperNode [2019-08-17 21:14:15,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:14:15,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:14:15,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:14:15,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:14:15,522 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 21:14:15,523 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 21:14:15,534 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 21:14:15,535 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 21:14:15,554 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 21:14:15,564 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 21:14:15,566 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 21:14:15,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:14:15,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:14:15,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:14:15,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:14:15,570 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 21:14:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:14:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:14:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure xor [2019-08-17 21:14:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:14:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:14:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:14:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure xor [2019-08-17 21:14:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:14:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:14:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:14:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:14:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:14:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:14:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:14:15,870 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:14:15,870 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-17 21:14:15,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:14:15 BoogieIcfgContainer [2019-08-17 21:14:15,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:14:15,873 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:14:15,874 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:14:15,874 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:14:15,875 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:14:15" (1/1) ... [2019-08-17 21:14:15,895 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:14:15,898 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:14:15,908 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:14:15,920 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:14:15,922 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:14:16,047 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 21:14:16,048 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:16,075 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:14:16,076 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:14:16,076 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2019-08-17 21:14:16,092 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 21 [2019-08-17 21:14:16,237 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 21:14:16,238 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:16,252 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:14:16,253 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 21:14:16,254 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28 [2019-08-17 21:14:16,331 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:16,347 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 21:14:16,348 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:16,360 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:16,368 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 21:14:16,369 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:16,461 INFO L567 ElimStorePlain]: treesize reduction 17, result has 75.0 percent of original size [2019-08-17 21:14:16,463 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-08-17 21:14:16,464 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:51 [2019-08-17 21:14:16,554 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:16,556 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:14:16,565 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 74 treesize of output 69 [2019-08-17 21:14:16,567 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:16,594 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:16,596 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:14:16,604 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 21:14:16,606 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:16,627 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:16,628 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:14:16,635 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 77 treesize of output 72 [2019-08-17 21:14:16,636 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:16,652 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:16,654 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:14:16,657 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 21:14:16,658 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:16,955 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-08-17 21:14:16,956 INFO L567 ElimStorePlain]: treesize reduction 36, result has 85.9 percent of original size [2019-08-17 21:14:16,962 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 21:14:16,963 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 9 variables, input treesize:299, output treesize:219 [2019-08-17 21:14:17,011 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,015 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,018 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,029 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 85 treesize of output 79 [2019-08-17 21:14:17,031 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:17,051 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,053 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,056 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,066 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 21:14:17,067 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:17,085 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,088 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,090 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,098 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 87 treesize of output 81 [2019-08-17 21:14:17,100 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:17,122 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,124 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,126 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,128 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 21:14:17,129 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:17,370 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-08-17 21:14:17,371 INFO L567 ElimStorePlain]: treesize reduction 12, result has 95.0 percent of original size [2019-08-17 21:14:17,375 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 21:14:17,376 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 9 variables, input treesize:335, output treesize:227 [2019-08-17 21:14:17,454 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,456 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,458 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,473 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 21:14:17,474 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:17,490 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,492 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,495 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,508 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 87 treesize of output 81 [2019-08-17 21:14:17,510 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:17,526 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,528 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,530 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,541 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 21:14:17,542 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:17,558 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,561 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,575 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 85 treesize of output 79 [2019-08-17 21:14:17,576 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:17,593 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,595 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,597 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,608 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 21:14:17,611 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:17,632 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,634 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,636 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,646 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 85 treesize of output 79 [2019-08-17 21:14:17,648 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:17,666 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,668 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,670 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,679 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 21:14:17,680 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:17,695 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,697 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,699 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:17,702 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 87 treesize of output 81 [2019-08-17 21:14:17,703 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:18,222 WARN L188 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-08-17 21:14:18,223 INFO L567 ElimStorePlain]: treesize reduction 24, result has 95.0 percent of original size [2019-08-17 21:14:18,228 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 21:14:18,228 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 17 variables, input treesize:669, output treesize:453 [2019-08-17 21:14:18,260 INFO L341 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2019-08-17 21:14:18,261 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 21:14:18,262 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:18,268 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:14:18,268 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:14:18,269 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:26 [2019-08-17 21:14:18,358 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 16 treesize of output 12 [2019-08-17 21:14:18,358 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:18,364 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:14:18,364 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:14:18,365 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2019-08-17 21:14:18,372 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:14:18,372 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:14:18,375 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 125#(and (exists ((v_prenex_22 Int) (v_xor_~res~0_BEFORE_RETURN_5 Int)) (or (and (<= (mod v_prenex_22 4294967296) 2147483647) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= main_~ret5~0 2147483647) (= (mod v_prenex_22 4294967296) main_~ret5~0) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~2 1) ~N~0))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (not (<= (mod v_xor_~res~0_BEFORE_RETURN_5 4294967296) 2147483647)) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (+ (mod v_xor_~res~0_BEFORE_RETURN_5 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~2 1) ~N~0))))) (or (not (= main_~ret~0 main_~ret2~0)) (not (= main_~ret~0 main_~ret5~0)))) [2019-08-17 21:14:18,387 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:14:18,388 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:14:18,392 INFO L168 Benchmark]: Toolchain (without parser) took 3354.22 ms. Allocated memory was 133.2 MB in the beginning and 265.3 MB in the end (delta: 132.1 MB). Free memory was 87.1 MB in the beginning and 232.4 MB in the end (delta: -145.4 MB). Peak memory consumption was 104.6 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:18,399 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:14:18,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 466.96 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 86.9 MB in the beginning and 177.5 MB in the end (delta: -90.7 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:18,402 INFO L168 Benchmark]: Boogie Preprocessor took 61.57 ms. Allocated memory is still 199.2 MB. Free memory was 176.9 MB in the beginning and 174.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:18,402 INFO L168 Benchmark]: RCFGBuilder took 304.40 ms. Allocated memory is still 199.2 MB. Free memory was 174.6 MB in the beginning and 158.8 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:18,404 INFO L168 Benchmark]: Symbolic Interpretation took 2516.84 ms. Allocated memory was 199.2 MB in the beginning and 265.3 MB in the end (delta: 66.1 MB). Free memory was 158.8 MB in the beginning and 232.4 MB in the end (delta: -73.6 MB). Peak memory consumption was 110.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:18,415 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 46]: 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 125#(and (exists ((v_prenex_22 Int) (v_xor_~res~0_BEFORE_RETURN_5 Int)) (or (and (<= (mod v_prenex_22 4294967296) 2147483647) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= main_~ret5~0 2147483647) (= (mod v_prenex_22 4294967296) main_~ret5~0) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~2 1) ~N~0))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (not (<= (mod v_xor_~res~0_BEFORE_RETURN_5 4294967296) 2147483647)) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (+ (mod v_xor_~res~0_BEFORE_RETURN_5 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~2 1) ~N~0))))) (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 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 466.96 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 86.9 MB in the beginning and 177.5 MB in the end (delta: -90.7 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.57 ms. Allocated memory is still 199.2 MB. Free memory was 176.9 MB in the beginning and 174.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 304.40 ms. Allocated memory is still 199.2 MB. Free memory was 174.6 MB in the beginning and 158.8 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2516.84 ms. Allocated memory was 199.2 MB in the beginning and 265.3 MB in the end (delta: 66.1 MB). Free memory was 158.8 MB in the beginning and 232.4 MB in the end (delta: -73.6 MB). Peak memory consumption was 110.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...