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/sorting_bubblesort_ground-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:12:30,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:12:30,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:12:30,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:12:30,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:12:30,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:12:30,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:12:30,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:12:30,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:12:30,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:12:30,743 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:12:30,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:12:30,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:12:30,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:12:30,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:12:30,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:12:30,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:12:30,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:12:30,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:12:30,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:12:30,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:12:30,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:12:30,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:12:30,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:12:30,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:12:30,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:12:30,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:12:30,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:12:30,769 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 21:12:30,790 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:12:30,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:12:30,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:12:30,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:12:30,792 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:12:30,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:12:30,793 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:12:30,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:12:30,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:12:30,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:12:30,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:12:30,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:12:30,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:12:30,794 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:12:30,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:12:30,794 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:12:30,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:12:30,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:12:30,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:12:30,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:12:30,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:12:30,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:12:30,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:12:30,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:12:30,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:12:30,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:12:30,797 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:12:30,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:12:30,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:12:30,846 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:12:30,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:12:30,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:12:30,864 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:12:30,864 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:12:30,865 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/sorting_bubblesort_ground-1.i [2019-08-17 21:12:30,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7525152d7/9002e7ac21f34297aa076938e5979bca/FLAG650bca201 [2019-08-17 21:12:31,336 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:12:31,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/sorting_bubblesort_ground-1.i [2019-08-17 21:12:31,342 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7525152d7/9002e7ac21f34297aa076938e5979bca/FLAG650bca201 [2019-08-17 21:12:31,774 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7525152d7/9002e7ac21f34297aa076938e5979bca [2019-08-17 21:12:31,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:12:31,783 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:12:31,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:12:31,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:12:31,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:12:31,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:12:31" (1/1) ... [2019-08-17 21:12:31,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2737bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:31, skipping insertion in model container [2019-08-17 21:12:31,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:12:31" (1/1) ... [2019-08-17 21:12:31,799 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:12:31,819 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:12:32,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:12:32,047 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:12:32,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:12:32,213 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:12:32,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:32 WrapperNode [2019-08-17 21:12:32,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:12:32,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:12:32,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:12:32,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:12:32,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:32" (1/1) ... [2019-08-17 21:12:32,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:32" (1/1) ... [2019-08-17 21:12:32,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:32" (1/1) ... [2019-08-17 21:12:32,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:32" (1/1) ... [2019-08-17 21:12:32,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:32" (1/1) ... [2019-08-17 21:12:32,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:32" (1/1) ... [2019-08-17 21:12:32,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:32" (1/1) ... [2019-08-17 21:12:32,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:12:32,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:12:32,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:12:32,260 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:12:32,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:32" (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 21:12:32,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:12:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:12:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-17 21:12:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:12:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:12:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-17 21:12:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:12:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:12:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:12:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:12:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:12:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:12:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:12:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:12:32,689 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:12:32,689 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-08-17 21:12:32,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:12:32 BoogieIcfgContainer [2019-08-17 21:12:32,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:12:32,691 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:12:32,691 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:12:32,692 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:12:32,692 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:12:32" (1/1) ... [2019-08-17 21:12:32,704 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:12:32,706 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:12:32,712 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:12:32,720 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:12:32,722 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:12:32,805 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 21:12:32,806 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:32,829 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:32,830 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:32,830 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:12:32,841 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:12:32,973 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 21:12:32,974 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:32,987 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:32,989 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 21:12:32,989 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28 [2019-08-17 21:12:33,007 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:33,031 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:33,039 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 43 [2019-08-17 21:12:33,041 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:33,097 INFO L567 ElimStorePlain]: treesize reduction 122, result has 21.8 percent of original size [2019-08-17 21:12:33,097 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:33,098 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:196, output treesize:34 [2019-08-17 21:12:33,107 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:33,134 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:33,139 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:33,142 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:33,145 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:33,146 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:33,150 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:33,153 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:33,155 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:33,168 INFO L392 ElimStorePlain]: Different costs {10=[|v_#memory_int_15|], 18=[v_prenex_2, v_prenex_3]} [2019-08-17 21:12:33,187 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:33,202 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 43 [2019-08-17 21:12:33,203 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:33,482 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 56 [2019-08-17 21:12:33,482 INFO L567 ElimStorePlain]: treesize reduction 274, result has 45.5 percent of original size [2019-08-17 21:12:33,492 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:33,494 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:33,496 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:33,506 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 97 treesize of output 57 [2019-08-17 21:12:33,507 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:33,602 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:33,614 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:33,616 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:33,618 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:33,626 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 97 treesize of output 57 [2019-08-17 21:12:33,627 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:33,708 INFO L567 ElimStorePlain]: treesize reduction 56, result has 61.9 percent of original size [2019-08-17 21:12:33,708 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:12:33,709 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:543, output treesize:91 [2019-08-17 21:12:33,734 INFO L341 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2019-08-17 21:12:33,735 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 27 [2019-08-17 21:12:33,736 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:33,742 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:33,743 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:33,743 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:16 [2019-08-17 21:12:33,770 INFO L341 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2019-08-17 21:12:33,771 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 27 [2019-08-17 21:12:33,772 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:33,777 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:33,777 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:33,777 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:16 [2019-08-17 21:12:33,811 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:33,830 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:33,831 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:33,837 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:33,838 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:33,846 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:33,847 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:33,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:33,861 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-17 21:12:33,861 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:12:33,861 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:12:33,863 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 391#(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 21:12:33,872 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:12:33,872 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:12:33,874 INFO L168 Benchmark]: Toolchain (without parser) took 2090.65 ms. Allocated memory was 135.8 MB in the beginning and 213.9 MB in the end (delta: 78.1 MB). Free memory was 83.5 MB in the beginning and 179.0 MB in the end (delta: -95.5 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:33,875 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 101.7 MB in the beginning and 101.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:12:33,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 430.38 ms. Allocated memory was 135.8 MB in the beginning and 197.7 MB in the end (delta: 61.9 MB). Free memory was 83.3 MB in the beginning and 176.0 MB in the end (delta: -92.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:33,877 INFO L168 Benchmark]: Boogie Preprocessor took 44.84 ms. Allocated memory is still 197.7 MB. Free memory was 176.0 MB in the beginning and 173.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:33,877 INFO L168 Benchmark]: RCFGBuilder took 430.82 ms. Allocated memory is still 197.7 MB. Free memory was 173.6 MB in the beginning and 157.4 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:33,878 INFO L168 Benchmark]: Symbolic Interpretation took 1180.96 ms. Allocated memory was 197.7 MB in the beginning and 213.9 MB in the end (delta: 16.3 MB). Free memory was 157.4 MB in the beginning and 179.0 MB in the end (delta: -21.6 MB). Peak memory consumption was 94.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:33,883 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 391#(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 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 101.7 MB in the beginning and 101.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 430.38 ms. Allocated memory was 135.8 MB in the beginning and 197.7 MB in the end (delta: 61.9 MB). Free memory was 83.3 MB in the beginning and 176.0 MB in the end (delta: -92.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.84 ms. Allocated memory is still 197.7 MB. Free memory was 176.0 MB in the beginning and 173.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 430.82 ms. Allocated memory is still 197.7 MB. Free memory was 173.6 MB in the beginning and 157.4 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1180.96 ms. Allocated memory was 197.7 MB in the beginning and 213.9 MB in the end (delta: 16.3 MB). Free memory was 157.4 MB in the beginning and 179.0 MB in the end (delta: -21.6 MB). Peak memory consumption was 94.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...