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_two_index_08.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:13:11,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:13:11,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:13:11,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:13:11,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:13:11,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:13:11,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:13:11,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:13:11,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:13:11,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:13:11,460 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:13:11,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:13:11,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:13:11,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:13:11,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:13:11,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:13:11,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:13:11,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:13:11,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:13:11,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:13:11,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:13:11,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:13:11,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:13:11,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:13:11,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-17 21:13:11,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-17 21:13:11,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-17 21:13:11,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-17 21:13:11,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-17 21:13:11,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-17 21:13:11,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-17 21:13:11,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-17 21:13:11,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-17 21:13:11,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-17 21:13:11,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-17 21:13:11,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-17 21:13:11,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-17 21:13:11,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-17 21:13:11,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:13:11,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:13:11,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:13:11,490 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-17 21:13:11,511 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:13:11,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:13:11,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:13:11,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:13:11,516 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:13:11,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:13:11,516 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:13:11,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:13:11,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:13:11,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:13:11,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:13:11,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:13:11,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:13:11,519 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:13:11,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:13:11,519 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:13:11,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:13:11,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:13:11,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:13:11,520 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:13:11,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:13:11,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:13:11,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:13:11,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:13:11,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:13:11,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:13:11,522 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:13:11,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:13:11,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:13:11,573 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:13:11,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:13:11,597 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:13:11,599 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:13:11,601 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:13:11,602 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_two_index_08.i [2019-08-17 21:13:11,664 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbba5c15b/5f62a48934d3485badf769468566f8b8/FLAGc2d35f9cd [2019-08-17 21:13:12,172 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:13:12,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_two_index_08.i [2019-08-17 21:13:12,181 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbba5c15b/5f62a48934d3485badf769468566f8b8/FLAGc2d35f9cd [2019-08-17 21:13:12,519 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbba5c15b/5f62a48934d3485badf769468566f8b8 [2019-08-17 21:13:12,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:13:12,529 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:13:12,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:12,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:13:12,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:13:12,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@797412c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12, skipping insertion in model container [2019-08-17 21:13:12,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,545 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:13:12,565 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:13:12,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:12,781 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:13:12,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:12,829 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:13:12,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12 WrapperNode [2019-08-17 21:13:12,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:12,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:13:12,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:13:12,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:13:12,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:13:12,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:13:12,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:13:12,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:13:12,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:13:13,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:13:13,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:13:13,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-17 21:13:13,017 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:13:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:13:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-17 21:13:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:13:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:13:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:13:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:13:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:13:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:13:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:13:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:13:13,254 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:13:13,255 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-17 21:13:13,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:13 BoogieIcfgContainer [2019-08-17 21:13:13,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:13:13,264 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:13:13,267 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:13:13,268 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:13:13,269 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:13" (1/1) ... [2019-08-17 21:13:13,302 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:13:13,306 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:13:13,313 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:13:13,327 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:13:13,330 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:13:13,443 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-17 21:13:13,444 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,475 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:13,476 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,476 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:13:13,489 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:13:13,535 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:13,579 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2019-08-17 21:13:13,579 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,608 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:13,610 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,611 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:30 [2019-08-17 21:13:13,658 INFO L341 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2019-08-17 21:13:13,660 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 25 treesize of output 25 [2019-08-17 21:13:13,661 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,676 INFO L567 ElimStorePlain]: treesize reduction 3, result has 89.3 percent of original size [2019-08-17 21:13:13,677 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,678 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:25 [2019-08-17 21:13:13,684 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:13,707 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:13,711 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:13,873 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-08-17 21:13:13,874 INFO L341 Elim1Store]: treesize reduction 49, result has 70.7 percent of original size [2019-08-17 21:13:13,875 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 55 treesize of output 153 [2019-08-17 21:13:13,878 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,915 INFO L341 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2019-08-17 21:13:13,916 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 21:13:13,917 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:14,010 INFO L567 ElimStorePlain]: treesize reduction 86, result has 52.2 percent of original size [2019-08-17 21:13:14,011 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:13:14,011 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:90, output treesize:94 [2019-08-17 21:13:14,044 INFO L341 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2019-08-17 21:13:14,045 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 25 treesize of output 25 [2019-08-17 21:13:14,046 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:14,056 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:14,057 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:14,057 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2019-08-17 21:13:14,072 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:14,086 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:14,103 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:14,108 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-17 21:13:14,109 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:13:14,109 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:13:14,112 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 90#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-17 21:13:14,127 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:13:14,127 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:13:14,131 INFO L168 Benchmark]: Toolchain (without parser) took 1600.27 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 88.1 MB in the beginning and 106.2 MB in the end (delta: -18.1 MB). Peak memory consumption was 48.5 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:14,134 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:13:14,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.81 ms. Allocated memory is still 132.6 MB. Free memory was 87.9 MB in the beginning and 77.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:14,140 INFO L168 Benchmark]: Boogie Preprocessor took 123.31 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 77.6 MB in the beginning and 175.1 MB in the end (delta: -97.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:14,142 INFO L168 Benchmark]: RCFGBuilder took 308.90 ms. Allocated memory is still 199.2 MB. Free memory was 175.1 MB in the beginning and 161.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:14,143 INFO L168 Benchmark]: Symbolic Interpretation took 863.77 ms. Allocated memory is still 199.2 MB. Free memory was 161.1 MB in the beginning and 106.2 MB in the end (delta: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:14,156 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 90#(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 0.42 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 300.81 ms. Allocated memory is still 132.6 MB. Free memory was 87.9 MB in the beginning and 77.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.31 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 77.6 MB in the beginning and 175.1 MB in the end (delta: -97.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 308.90 ms. Allocated memory is still 199.2 MB. Free memory was 175.1 MB in the beginning and 161.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 863.77 ms. Allocated memory is still 199.2 MB. Free memory was 161.1 MB in the beginning and 106.2 MB in the end (delta: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...