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-examples/standard_palindrome_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:13:02,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:13:02,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:13:02,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:13:02,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:13:02,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:13:02,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:13:02,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:13:02,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:13:02,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:13:02,251 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:13:02,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:13:02,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:13:02,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:13:02,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:13:02,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:13:02,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:13:02,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:13:02,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:13:02,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:13:02,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:13:02,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:13:02,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:13:02,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:13:02,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:13:02,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:13:02,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:13:02,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:13:02,281 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 21:13:02,295 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:13:02,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:13:02,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:13:02,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:13:02,297 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:13:02,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:13:02,298 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:13:02,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:13:02,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:13:02,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:13:02,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:13:02,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:13:02,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:13:02,299 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:13:02,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:13:02,299 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:13:02,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:13:02,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:13:02,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:13:02,300 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:13:02,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:13:02,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:13:02,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:13:02,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:13:02,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:13:02,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:13:02,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:13:02,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:13:02,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:13:02,329 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:13:02,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:13:02,346 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:13:02,347 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:13:02,348 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:13:02,348 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_palindrome_ground.i [2019-08-17 21:13:02,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c0efe566/07b5f6cc996f41388b425c5b8fc41e58/FLAGe9cdf1c1b [2019-08-17 21:13:02,865 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:13:02,868 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_palindrome_ground.i [2019-08-17 21:13:02,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c0efe566/07b5f6cc996f41388b425c5b8fc41e58/FLAGe9cdf1c1b [2019-08-17 21:13:03,214 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c0efe566/07b5f6cc996f41388b425c5b8fc41e58 [2019-08-17 21:13:03,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:13:03,226 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:13:03,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:03,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:13:03,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:13:03,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:03" (1/1) ... [2019-08-17 21:13:03,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f50802a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:03, skipping insertion in model container [2019-08-17 21:13:03,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:03" (1/1) ... [2019-08-17 21:13:03,243 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:13:03,260 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:13:03,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:03,534 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:13:03,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:03,594 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:13:03,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:03 WrapperNode [2019-08-17 21:13:03,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:03,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:13:03,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:13:03,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:13:03,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:03" (1/1) ... [2019-08-17 21:13:03,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:03" (1/1) ... [2019-08-17 21:13:03,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:03" (1/1) ... [2019-08-17 21:13:03,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:03" (1/1) ... [2019-08-17 21:13:03,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:03" (1/1) ... [2019-08-17 21:13:03,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:03" (1/1) ... [2019-08-17 21:13:03,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:03" (1/1) ... [2019-08-17 21:13:03,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:13:03,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:13:03,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:13:03,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:13:03,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:03" (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 21:13:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:13:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:13:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-17 21:13:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:13:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:13:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-17 21:13:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:13:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:13:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:13:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:13:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:13:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:13:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:13:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:13:04,106 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:13:04,106 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-17 21:13:04,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:04 BoogieIcfgContainer [2019-08-17 21:13:04,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:13:04,120 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:13:04,120 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:13:04,120 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:13:04,121 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:04" (1/1) ... [2019-08-17 21:13:04,153 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:13:04,155 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:13:04,162 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:13:04,170 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:13:04,172 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:13:04,272 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 21:13:04,273 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:04,294 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:04,294 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:04,295 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:13:04,307 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:13:04,451 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 21:13:04,451 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:04,464 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:04,466 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 21:13:04,466 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28 [2019-08-17 21:13:04,503 INFO L341 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2019-08-17 21:13:04,504 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 21:13:04,505 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:04,520 INFO L567 ElimStorePlain]: treesize reduction 3, result has 88.9 percent of original size [2019-08-17 21:13:04,521 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:04,521 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:24 [2019-08-17 21:13:04,626 INFO L341 Elim1Store]: treesize reduction 77, result has 51.9 percent of original size [2019-08-17 21:13:04,627 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 97 [2019-08-17 21:13:04,628 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:04,632 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:04,672 INFO L567 ElimStorePlain]: treesize reduction 72, result has 33.9 percent of original size [2019-08-17 21:13:04,673 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:04,673 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:37 [2019-08-17 21:13:04,678 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:04,696 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:04,698 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:04,700 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:04,702 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:04,703 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:04,705 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:04,715 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 59 [2019-08-17 21:13:04,718 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:04,733 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:04,734 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:04,736 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:04,737 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:04,739 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:04,741 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:04,743 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:04,745 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:04,746 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:04,748 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:04,750 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:04,751 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:04,753 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:04,755 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:04,757 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:04,763 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 78 [2019-08-17 21:13:04,768 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:04,832 INFO L567 ElimStorePlain]: treesize reduction 6, result has 94.7 percent of original size [2019-08-17 21:13:04,832 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:13:04,833 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:122, output treesize:108 [2019-08-17 21:13:04,869 INFO L341 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2019-08-17 21:13:04,870 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 21:13:04,870 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:04,880 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:04,880 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:04,880 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2019-08-17 21:13:04,888 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:04,895 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:04,905 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:04,908 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-17 21:13:04,909 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:13:04,909 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:13:04,912 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 120#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-17 21:13:04,923 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:13:04,923 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:13:04,925 INFO L168 Benchmark]: Toolchain (without parser) took 1698.83 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 84.4 MB in the beginning and 104.6 MB in the end (delta: -20.2 MB). Peak memory consumption was 42.7 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:04,926 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 102.6 MB in the beginning and 102.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-17 21:13:04,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.44 ms. Allocated memory is still 137.9 MB. Free memory was 84.2 MB in the beginning and 74.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:04,929 INFO L168 Benchmark]: Boogie Preprocessor took 196.50 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 74.4 MB in the beginning and 177.5 MB in the end (delta: -103.2 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:04,929 INFO L168 Benchmark]: RCFGBuilder took 326.57 ms. Allocated memory is still 200.8 MB. Free memory was 177.5 MB in the beginning and 163.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:04,930 INFO L168 Benchmark]: Symbolic Interpretation took 803.30 ms. Allocated memory is still 200.8 MB. Free memory was 163.8 MB in the beginning and 104.6 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:04,935 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 2]: 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 120#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 102.6 MB in the beginning and 102.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 368.44 ms. Allocated memory is still 137.9 MB. Free memory was 84.2 MB in the beginning and 74.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 196.50 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 74.4 MB in the beginning and 177.5 MB in the end (delta: -103.2 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 326.57 ms. Allocated memory is still 200.8 MB. Free memory was 177.5 MB in the beginning and 163.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 803.30 ms. Allocated memory is still 200.8 MB. Free memory was 163.8 MB in the beginning and 104.6 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...