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-multidimensional/copy-2-u.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:14:25,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:14:25,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:14:25,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:14:25,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:14:25,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:14:25,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:14:25,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:14:25,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:14:25,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:14:25,185 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:14:25,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:14:25,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:14:25,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:14:25,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:14:25,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:14:25,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:14:25,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:14:25,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:14:25,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:14:25,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:14:25,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:14:25,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:14:25,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:14:25,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:14:25,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-17 21:14:25,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-17 21:14:25,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-17 21:14:25,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-17 21:14:25,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-17 21:14:25,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-17 21:14:25,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-17 21:14:25,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-17 21:14:25,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:14:25,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:14:25,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:14:25,212 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 21:14:25,226 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:14:25,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:14:25,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:14:25,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:14:25,228 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:14:25,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:14:25,229 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:14:25,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:14:25,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:14:25,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:14:25,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:14:25,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:14:25,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:14:25,230 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:14:25,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:14:25,230 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:14:25,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:14:25,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:14:25,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:14:25,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:14:25,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:14:25,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:14:25,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:14:25,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:14:25,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:14:25,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:14:25,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:14:25,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:14:25,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:14:25,265 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:14:25,278 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:14:25,281 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:14:25,283 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:14:25,283 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:14:25,284 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-multidimensional/copy-2-u.c [2019-08-17 21:14:25,349 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a8f04a5/69e6163e059d412b883e3444b37ea005/FLAG43366f54d [2019-08-17 21:14:25,836 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:14:25,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-multidimensional/copy-2-u.c [2019-08-17 21:14:25,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a8f04a5/69e6163e059d412b883e3444b37ea005/FLAG43366f54d [2019-08-17 21:14:26,214 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a8f04a5/69e6163e059d412b883e3444b37ea005 [2019-08-17 21:14:26,223 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:14:26,225 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:14:26,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:14:26,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:14:26,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:14:26,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:14:26" (1/1) ... [2019-08-17 21:14:26,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40bb2a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:26, skipping insertion in model container [2019-08-17 21:14:26,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:14:26" (1/1) ... [2019-08-17 21:14:26,243 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:14:26,262 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:14:26,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:14:26,481 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:14:26,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:14:26,613 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:14:26,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:26 WrapperNode [2019-08-17 21:14:26,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:14:26,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:14:26,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:14:26,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:14:26,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:26" (1/1) ... [2019-08-17 21:14:26,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:26" (1/1) ... [2019-08-17 21:14:26,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:26" (1/1) ... [2019-08-17 21:14:26,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:26" (1/1) ... [2019-08-17 21:14:26,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:26" (1/1) ... [2019-08-17 21:14:26,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:26" (1/1) ... [2019-08-17 21:14:26,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:26" (1/1) ... [2019-08-17 21:14:26,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:14:26,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:14:26,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:14:26,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:14:26,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:26" (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 21:14:26,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:14:26,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:14:26,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-17 21:14:26,727 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-17 21:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:14:27,052 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:14:27,053 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-17 21:14:27,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:14:27 BoogieIcfgContainer [2019-08-17 21:14:27,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:14:27,055 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:14:27,055 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:14:27,055 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:14:27,056 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:14:27" (1/1) ... [2019-08-17 21:14:27,068 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:14:27,070 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:14:27,076 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:14:27,085 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:14:27,086 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:14:27,184 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 21:14:27,185 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:27,202 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:14:27,203 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:14:27,203 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:14:27,216 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:14:27,279 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:14:27,332 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 23 treesize of output 19 [2019-08-17 21:14:27,333 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:27,352 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:14:27,354 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 21:14:27,355 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:46 [2019-08-17 21:14:27,397 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 19 treesize of output 15 [2019-08-17 21:14:27,397 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:27,423 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:14:27,425 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 21:14:27,425 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:42 [2019-08-17 21:14:27,431 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:14:27,468 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 45 treesize of output 41 [2019-08-17 21:14:27,469 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:27,479 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:27,487 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 67 [2019-08-17 21:14:27,489 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:27,619 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2019-08-17 21:14:27,620 INFO L567 ElimStorePlain]: treesize reduction 3, result has 97.5 percent of original size [2019-08-17 21:14:27,622 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:14:27,623 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:141 [2019-08-17 21:14:27,651 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 23 treesize of output 19 [2019-08-17 21:14:27,652 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:27,662 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:14:27,664 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 21:14:27,665 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:46 [2019-08-17 21:14:27,673 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:14:27,714 INFO L341 Elim1Store]: treesize reduction 65, result has 18.8 percent of original size [2019-08-17 21:14:27,715 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 31 treesize of output 31 [2019-08-17 21:14:27,716 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:27,745 INFO L567 ElimStorePlain]: treesize reduction 3, result has 92.5 percent of original size [2019-08-17 21:14:27,746 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:14:27,747 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:37 [2019-08-17 21:14:27,751 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:14:27,796 INFO L341 Elim1Store]: treesize reduction 85, result has 18.3 percent of original size [2019-08-17 21:14:27,797 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 48 treesize of output 47 [2019-08-17 21:14:27,798 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:27,832 INFO L341 Elim1Store]: treesize reduction 85, result has 18.3 percent of original size [2019-08-17 21:14:27,834 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 53 treesize of output 52 [2019-08-17 21:14:27,835 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:27,866 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:14:27,867 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:14:27,867 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:102, output treesize:94 [2019-08-17 21:14:27,902 INFO L341 Elim1Store]: treesize reduction 85, result has 18.3 percent of original size [2019-08-17 21:14:27,903 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 39 treesize of output 39 [2019-08-17 21:14:27,904 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:27,913 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:14:27,914 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:14:27,914 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:41 [2019-08-17 21:14:27,918 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:14:27,930 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:14:27,941 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:14:27,944 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:14:27,952 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:14:27,963 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:14:27,968 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 32 [2019-08-17 21:14:27,973 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:14:27,973 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:14:27,976 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 205#(and (= 0 __VERIFIER_assert_~cond) (exists ((v_main_~n~0_BEFORE_CALL_1 Int) (|v_main_~#A~0.base_BEFORE_CALL_1| Int) (v_main_~j~0_BEFORE_CALL_1 Int) (v_main_~i~0_BEFORE_CALL_1 Int) (|v_main_~#B~0.offset_BEFORE_CALL_1| Int) (|v_main_~#A~0.offset_BEFORE_CALL_1| Int) (|v_main_~#B~0.base_BEFORE_CALL_1| Int)) (or (and (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| |v_main_~#B~0.base_BEFORE_CALL_1|) (+ (+ |v_main_~#B~0.offset_BEFORE_CALL_1| (* v_main_~i~0_BEFORE_CALL_1 (* 4 v_main_~n~0_BEFORE_CALL_1))) (* 4 v_main_~j~0_BEFORE_CALL_1))) (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_1|) (+ (+ |v_main_~#A~0.offset_BEFORE_CALL_1| (* v_main_~i~0_BEFORE_CALL_1 (* 4 v_main_~n~0_BEFORE_CALL_1))) (* 4 v_main_~j~0_BEFORE_CALL_1)))) (< v_main_~j~0_BEFORE_CALL_1 v_main_~n~0_BEFORE_CALL_1)) (and (= |__VERIFIER_assert_#in~cond| 0) (< v_main_~j~0_BEFORE_CALL_1 v_main_~n~0_BEFORE_CALL_1) (not (= (select (select |#memory_int| |v_main_~#B~0.base_BEFORE_CALL_1|) (+ (+ |v_main_~#B~0.offset_BEFORE_CALL_1| (* v_main_~i~0_BEFORE_CALL_1 (* 4 v_main_~n~0_BEFORE_CALL_1))) (* 4 v_main_~j~0_BEFORE_CALL_1))) (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_1|) (+ (+ |v_main_~#A~0.offset_BEFORE_CALL_1| (* v_main_~i~0_BEFORE_CALL_1 (* 4 v_main_~n~0_BEFORE_CALL_1))) (* 4 v_main_~j~0_BEFORE_CALL_1)))))))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-17 21:14:27,992 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:14:27,992 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:14:27,994 INFO L168 Benchmark]: Toolchain (without parser) took 1768.94 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 85.1 MB in the beginning and 91.0 MB in the end (delta: -5.9 MB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:27,995 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:14:27,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.42 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 84.7 MB in the beginning and 177.2 MB in the end (delta: -92.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:27,997 INFO L168 Benchmark]: Boogie Preprocessor took 57.15 ms. Allocated memory is still 198.2 MB. Free memory was 177.2 MB in the beginning and 173.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:27,998 INFO L168 Benchmark]: RCFGBuilder took 382.03 ms. Allocated memory is still 198.2 MB. Free memory was 173.8 MB in the beginning and 158.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:27,999 INFO L168 Benchmark]: Symbolic Interpretation took 937.33 ms. Allocated memory is still 198.2 MB. Free memory was 158.6 MB in the beginning and 91.0 MB in the end (delta: 67.5 MB). Peak memory consumption was 67.5 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:28,005 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 5]: 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 205#(and (= 0 __VERIFIER_assert_~cond) (exists ((v_main_~n~0_BEFORE_CALL_1 Int) (|v_main_~#A~0.base_BEFORE_CALL_1| Int) (v_main_~j~0_BEFORE_CALL_1 Int) (v_main_~i~0_BEFORE_CALL_1 Int) (|v_main_~#B~0.offset_BEFORE_CALL_1| Int) (|v_main_~#A~0.offset_BEFORE_CALL_1| Int) (|v_main_~#B~0.base_BEFORE_CALL_1| Int)) (or (and (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| |v_main_~#B~0.base_BEFORE_CALL_1|) (+ (+ |v_main_~#B~0.offset_BEFORE_CALL_1| (* v_main_~i~0_BEFORE_CALL_1 (* 4 v_main_~n~0_BEFORE_CALL_1))) (* 4 v_main_~j~0_BEFORE_CALL_1))) (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_1|) (+ (+ |v_main_~#A~0.offset_BEFORE_CALL_1| (* v_main_~i~0_BEFORE_CALL_1 (* 4 v_main_~n~0_BEFORE_CALL_1))) (* 4 v_main_~j~0_BEFORE_CALL_1)))) (< v_main_~j~0_BEFORE_CALL_1 v_main_~n~0_BEFORE_CALL_1)) (and (= |__VERIFIER_assert_#in~cond| 0) (< v_main_~j~0_BEFORE_CALL_1 v_main_~n~0_BEFORE_CALL_1) (not (= (select (select |#memory_int| |v_main_~#B~0.base_BEFORE_CALL_1|) (+ (+ |v_main_~#B~0.offset_BEFORE_CALL_1| (* v_main_~i~0_BEFORE_CALL_1 (* 4 v_main_~n~0_BEFORE_CALL_1))) (* 4 v_main_~j~0_BEFORE_CALL_1))) (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_1|) (+ (+ |v_main_~#A~0.offset_BEFORE_CALL_1| (* v_main_~i~0_BEFORE_CALL_1 (* 4 v_main_~n~0_BEFORE_CALL_1))) (* 4 v_main_~j~0_BEFORE_CALL_1)))))))) (= |__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 0.25 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 388.42 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 84.7 MB in the beginning and 177.2 MB in the end (delta: -92.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.15 ms. Allocated memory is still 198.2 MB. Free memory was 177.2 MB in the beginning and 173.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 382.03 ms. Allocated memory is still 198.2 MB. Free memory was 173.8 MB in the beginning and 158.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 937.33 ms. Allocated memory is still 198.2 MB. Free memory was 158.6 MB in the beginning and 91.0 MB in the end (delta: 67.5 MB). Peak memory consumption was 67.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...