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_copy1_ground-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:12:36,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:12:36,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:12:36,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:12:36,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:12:36,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:12:36,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:12:36,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:12:36,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:12:36,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:12:36,034 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:12:36,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:12:36,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:12:36,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:12:36,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:12:36,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:12:36,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:12:36,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:12:36,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:12:36,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:12:36,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:12:36,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:12:36,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:12:36,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:12:36,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-17 21:12:36,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-17 21:12:36,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-17 21:12:36,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-17 21:12:36,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-17 21:12:36,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-17 21:12:36,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-17 21:12:36,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-17 21:12:36,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-17 21:12:36,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-17 21:12:36,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-17 21:12:36,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-17 21:12:36,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-17 21:12:36,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-17 21:12:36,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:12:36,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:12:36,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:12:36,076 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 21:12:36,098 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:12:36,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:12:36,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:12:36,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:12:36,100 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:12:36,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:12:36,101 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:12:36,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:12:36,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:12:36,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:12:36,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:12:36,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:12:36,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:12:36,104 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:12:36,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:12:36,104 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:12:36,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:12:36,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:12:36,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:12:36,105 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:12:36,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:12:36,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:12:36,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:12:36,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:12:36,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:12:36,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:12:36,107 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:12:36,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:12:36,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:12:36,148 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:12:36,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:12:36,169 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:12:36,171 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:12:36,171 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:12:36,172 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_copy1_ground-1.i [2019-08-17 21:12:36,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/434439e8e/a01caceac2ab4bb8b2a9e6b5b96c2d27/FLAGd99fe076b [2019-08-17 21:12:36,746 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:12:36,747 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_copy1_ground-1.i [2019-08-17 21:12:36,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/434439e8e/a01caceac2ab4bb8b2a9e6b5b96c2d27/FLAGd99fe076b [2019-08-17 21:12:37,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/434439e8e/a01caceac2ab4bb8b2a9e6b5b96c2d27 [2019-08-17 21:12:37,129 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:12:37,131 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:12:37,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:12:37,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:12:37,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:12:37,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@667bedff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37, skipping insertion in model container [2019-08-17 21:12:37,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,147 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:12:37,164 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:12:37,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:12:37,347 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:12:37,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:12:37,387 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:12:37,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37 WrapperNode [2019-08-17 21:12:37,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:12:37,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:12:37,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:12:37,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:12:37,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:12:37,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:12:37,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:12:37,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:12:37,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (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 21:12:37,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:12:37,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:12:37,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-17 21:12:37,561 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:12:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:12:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-17 21:12:37,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:12:37,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:12:37,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:12:37,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:12:37,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:12:37,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:12:37,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:12:37,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:12:37,777 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:12:37,777 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-17 21:12:37,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:12:37 BoogieIcfgContainer [2019-08-17 21:12:37,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:12:37,779 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:12:37,779 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:12:37,780 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:12:37,780 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,801 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:12:37,805 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:12:37,815 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:12:37,828 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:12:37,830 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:12:37,955 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 21:12:37,956 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:37,992 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:37,993 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:37,993 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:12:38,006 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:12:38,135 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 21:12:38,135 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:38,148 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:38,150 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 21:12:38,151 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28 [2019-08-17 21:12:38,157 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:38,217 INFO L341 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2019-08-17 21:12:38,218 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 34 treesize of output 33 [2019-08-17 21:12:38,219 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:38,267 INFO L567 ElimStorePlain]: treesize reduction 103, result has 20.8 percent of original size [2019-08-17 21:12:38,267 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:38,268 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:134, output treesize:27 [2019-08-17 21:12:38,432 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2019-08-17 21:12:38,433 INFO L341 Elim1Store]: treesize reduction 60, result has 63.9 percent of original size [2019-08-17 21:12:38,434 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 35 treesize of output 120 [2019-08-17 21:12:38,436 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:38,437 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:38,440 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:38,513 INFO L567 ElimStorePlain]: treesize reduction 119, result has 29.6 percent of original size [2019-08-17 21:12:38,514 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:38,515 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:50 [2019-08-17 21:12:38,520 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:38,521 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:38,538 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:38,540 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:38,542 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:12:38,545 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:38,555 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 68 treesize of output 62 [2019-08-17 21:12:38,556 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:38,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:38,568 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:38,703 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2019-08-17 21:12:38,704 INFO L341 Elim1Store]: treesize reduction 44, result has 72.2 percent of original size [2019-08-17 21:12:38,705 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 152 [2019-08-17 21:12:38,707 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:38,717 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:38,720 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:38,721 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:38,723 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:38,724 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:38,727 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:39,023 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-08-17 21:12:39,024 INFO L341 Elim1Store]: treesize reduction 44, result has 83.0 percent of original size [2019-08-17 21:12:39,025 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 68 treesize of output 263 [2019-08-17 21:12:39,028 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:39,190 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 47 [2019-08-17 21:12:39,191 INFO L567 ElimStorePlain]: treesize reduction 277, result has 41.8 percent of original size [2019-08-17 21:12:39,192 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-08-17 21:12:39,192 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:194, output treesize:199 [2019-08-17 21:12:39,215 INFO L341 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2019-08-17 21:12:39,215 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 23 treesize of output 23 [2019-08-17 21:12:39,216 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:39,223 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:39,223 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:39,224 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2019-08-17 21:12:39,230 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:39,237 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:39,245 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:39,248 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-17 21:12:39,249 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:12:39,249 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:12:39,251 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 117#(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 21:12:39,262 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:12:39,263 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:12:39,265 INFO L168 Benchmark]: Toolchain (without parser) took 2133.70 ms. Allocated memory was 138.9 MB in the beginning and 221.8 MB in the end (delta: 82.8 MB). Free memory was 85.3 MB in the beginning and 149.8 MB in the end (delta: -64.5 MB). Peak memory consumption was 73.8 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:39,267 INFO L168 Benchmark]: CDTParser took 0.94 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:12:39,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.86 ms. Allocated memory is still 138.9 MB. Free memory was 84.9 MB in the beginning and 75.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:39,271 INFO L168 Benchmark]: Boogie Preprocessor took 117.43 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 75.2 MB in the beginning and 175.6 MB in the end (delta: -100.4 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:39,273 INFO L168 Benchmark]: RCFGBuilder took 271.93 ms. Allocated memory is still 198.7 MB. Free memory was 175.6 MB in the beginning and 161.4 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:39,279 INFO L168 Benchmark]: Symbolic Interpretation took 1483.74 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 161.4 MB in the beginning and 149.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 90.2 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:39,289 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 117#(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 0.94 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 256.86 ms. Allocated memory is still 138.9 MB. Free memory was 84.9 MB in the beginning and 75.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.43 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 75.2 MB in the beginning and 175.6 MB in the end (delta: -100.4 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 271.93 ms. Allocated memory is still 198.7 MB. Free memory was 175.6 MB in the beginning and 161.4 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1483.74 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 161.4 MB in the beginning and 149.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 90.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...