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-tiling/rewnifrev.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:13:56,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:13:56,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:13:56,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:13:56,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:13:56,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:13:56,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:13:56,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:13:56,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:13:56,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:13:56,556 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:13:56,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:13:56,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:13:56,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:13:56,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:13:56,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:13:56,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:13:56,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:13:56,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:13:56,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:13:56,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:13:56,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:13:56,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:13:56,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:13:56,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:13:56,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-17 21:13:56,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-17 21:13:56,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-17 21:13:56,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-17 21:13:56,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-17 21:13:56,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-17 21:13:56,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-17 21:13:56,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-17 21:13:56,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:13:56,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:13:56,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:13:56,598 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 21:13:56,625 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:13:56,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:13:56,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:13:56,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:13:56,628 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:13:56,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:13:56,628 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:13:56,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:13:56,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:13:56,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:13:56,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:13:56,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:13:56,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:13:56,631 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:13:56,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:13:56,632 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:13:56,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:13:56,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:13:56,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:13:56,633 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:13:56,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:13:56,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:13:56,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:13:56,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:13:56,634 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:13:56,634 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:13:56,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:13:56,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:13:56,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:13:56,690 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:13:56,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:13:56,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:13:56,716 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:13:56,718 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:13:56,719 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/rewnifrev.c [2019-08-17 21:13:56,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd2c480b/1403b2b7e46d43b5aba32e1da3a0a6dd/FLAGf6c7fde67 [2019-08-17 21:13:57,242 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:13:57,243 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/rewnifrev.c [2019-08-17 21:13:57,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd2c480b/1403b2b7e46d43b5aba32e1da3a0a6dd/FLAGf6c7fde67 [2019-08-17 21:13:57,613 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd2c480b/1403b2b7e46d43b5aba32e1da3a0a6dd [2019-08-17 21:13:57,626 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:13:57,628 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:13:57,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:57,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:13:57,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:13:57,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:57" (1/1) ... [2019-08-17 21:13:57,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d91db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:57, skipping insertion in model container [2019-08-17 21:13:57,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:57" (1/1) ... [2019-08-17 21:13:57,649 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:13:57,674 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:13:57,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:57,911 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:13:57,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:57,940 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:13:57,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:57 WrapperNode [2019-08-17 21:13:57,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:57,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:13:57,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:13:57,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:13:58,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:57" (1/1) ... [2019-08-17 21:13:58,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:57" (1/1) ... [2019-08-17 21:13:58,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:57" (1/1) ... [2019-08-17 21:13:58,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:57" (1/1) ... [2019-08-17 21:13:58,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:57" (1/1) ... [2019-08-17 21:13:58,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:57" (1/1) ... [2019-08-17 21:13:58,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:57" (1/1) ... [2019-08-17 21:13:58,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:13:58,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:13:58,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:13:58,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:13:58,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:57" (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 21:13:58,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:13:58,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:13:58,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-17 21:13:58,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:13:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:13:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-17 21:13:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-17 21:13:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:13:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-17 21:13:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:13:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-17 21:13:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:13:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:13:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:13:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:13:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:13:58,398 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:13:58,398 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-17 21:13:58,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:58 BoogieIcfgContainer [2019-08-17 21:13:58,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:13:58,400 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:13:58,400 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:13:58,401 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:13:58,401 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:58" (1/1) ... [2019-08-17 21:13:58,413 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:13:58,415 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:13:58,421 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:13:58,430 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:13:58,432 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:13:58,553 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 21:13:58,553 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:58,596 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:58,597 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:58,598 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:18 [2019-08-17 21:13:58,612 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 24 [2019-08-17 21:13:58,650 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:58,676 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:58,678 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:58,685 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:58,687 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:58,689 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:58,692 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:58,693 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:58,732 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 18 treesize of output 14 [2019-08-17 21:13:58,733 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:58,744 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:58,744 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:58,745 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2019-08-17 21:13:58,747 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:58,768 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 20 treesize of output 16 [2019-08-17 21:13:58,769 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:58,775 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:58,782 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 33 treesize of output 32 [2019-08-17 21:13:58,784 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:58,848 INFO L567 ElimStorePlain]: treesize reduction 3, result has 93.5 percent of original size [2019-08-17 21:13:58,849 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:13:58,849 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:54, output treesize:43 [2019-08-17 21:13:58,875 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 18 treesize of output 14 [2019-08-17 21:13:58,875 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:58,887 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:58,887 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:58,887 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2019-08-17 21:13:58,889 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:58,901 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 20 treesize of output 16 [2019-08-17 21:13:58,901 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:58,908 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:58,914 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 33 treesize of output 32 [2019-08-17 21:13:58,917 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:58,980 INFO L567 ElimStorePlain]: treesize reduction 3, result has 93.5 percent of original size [2019-08-17 21:13:58,981 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:13:58,982 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:54, output treesize:43 [2019-08-17 21:13:58,994 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:59,025 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:59,076 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:59,135 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:59,144 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-17 21:13:59,145 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:13:59,146 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:13:59,148 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 103#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-17 21:13:59,161 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:13:59,162 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:13:59,166 INFO L168 Benchmark]: Toolchain (without parser) took 1536.08 ms. Allocated memory was 135.3 MB in the beginning and 196.6 MB in the end (delta: 61.3 MB). Free memory was 82.8 MB in the beginning and 116.4 MB in the end (delta: -33.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:59,168 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 135.3 MB. Free memory was 101.2 MB in the beginning and 101.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:13:59,173 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.32 ms. Allocated memory is still 135.3 MB. Free memory was 82.4 MB in the beginning and 72.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:59,175 INFO L168 Benchmark]: Boogie Preprocessor took 143.50 ms. Allocated memory was 135.3 MB in the beginning and 196.6 MB in the end (delta: 61.3 MB). Free memory was 72.7 MB in the beginning and 173.5 MB in the end (delta: -100.8 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:59,176 INFO L168 Benchmark]: RCFGBuilder took 314.18 ms. Allocated memory is still 196.6 MB. Free memory was 172.8 MB in the beginning and 159.0 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:59,177 INFO L168 Benchmark]: Symbolic Interpretation took 761.84 ms. Allocated memory is still 196.6 MB. Free memory was 159.0 MB in the beginning and 116.4 MB in the end (delta: 42.6 MB). Peak memory consumption was 42.6 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:59,194 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 3]: 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 103#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 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 0.52 ms. Allocated memory is still 135.3 MB. Free memory was 101.2 MB in the beginning and 101.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 310.32 ms. Allocated memory is still 135.3 MB. Free memory was 82.4 MB in the beginning and 72.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 143.50 ms. Allocated memory was 135.3 MB in the beginning and 196.6 MB in the end (delta: 61.3 MB). Free memory was 72.7 MB in the beginning and 173.5 MB in the end (delta: -100.8 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 314.18 ms. Allocated memory is still 196.6 MB. Free memory was 172.8 MB in the beginning and 159.0 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 761.84 ms. Allocated memory is still 196.6 MB. Free memory was 159.0 MB in the beginning and 116.4 MB in the end (delta: 42.6 MB). Peak memory consumption was 42.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...