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/loops/sum_array-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:59:24,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:59:24,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:59:24,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:59:24,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:59:24,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:59:24,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:59:24,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:59:24,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:59:24,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:59:24,248 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:59:24,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:59:24,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:59:24,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:59:24,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:59:24,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:59:24,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:59:24,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:59:24,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:59:24,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:59:24,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:59:24,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:59:24,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:59:24,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:59:24,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:59:24,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:59:24,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:59:24,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:59:24,272 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 [2019-08-22 21:59:24,285 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:59:24,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:59:24,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:59:24,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:59:24,287 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:59:24,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:59:24,287 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:59:24,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:59:24,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:59:24,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:59:24,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:59:24,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:59:24,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:59:24,289 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:59:24,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:59:24,289 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:59:24,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:59:24,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:59:24,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:59:24,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:59:24,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:59:24,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:59:24,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:59:24,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:59:24,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:59:24,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:59:24,291 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:59:24,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:59:24,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:59:24,319 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:59:24,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:59:24,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:59:24,335 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:59:24,336 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:59:24,337 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum_array-2.i [2019-08-22 21:59:24,395 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea624d778/ab5ee5354f6c4813985ae818c3a996ec/FLAG884dc3758 [2019-08-22 21:59:24,799 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:59:24,800 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum_array-2.i [2019-08-22 21:59:24,807 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea624d778/ab5ee5354f6c4813985ae818c3a996ec/FLAG884dc3758 [2019-08-22 21:59:25,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea624d778/ab5ee5354f6c4813985ae818c3a996ec [2019-08-22 21:59:25,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:59:25,217 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:59:25,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:59:25,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:59:25,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:59:25,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:59:25" (1/1) ... [2019-08-22 21:59:25,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@100fe71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:59:25, skipping insertion in model container [2019-08-22 21:59:25,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:59:25" (1/1) ... [2019-08-22 21:59:25,232 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:59:25,250 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:59:25,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:59:25,448 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:59:25,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:59:25,582 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:59:25,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:59:25 WrapperNode [2019-08-22 21:59:25,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:59:25,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:59:25,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:59:25,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:59:25,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:59:25" (1/1) ... [2019-08-22 21:59:25,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:59:25" (1/1) ... [2019-08-22 21:59:25,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:59:25" (1/1) ... [2019-08-22 21:59:25,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:59:25" (1/1) ... [2019-08-22 21:59:25,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:59:25" (1/1) ... [2019-08-22 21:59:25,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:59:25" (1/1) ... [2019-08-22 21:59:25,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:59:25" (1/1) ... [2019-08-22 21:59:25,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:59:25,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:59:25,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:59:25,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:59:25,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:59:25" (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 [2019-08-22 21:59:25,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:59:25,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:59:25,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 21:59:25,691 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:59:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:59:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 21:59:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-22 21:59:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 21:59:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-22 21:59:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:59:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:59:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:59:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:59:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:59:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:59:25,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:59:26,044 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:59:26,044 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-22 21:59:26,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:59:26 BoogieIcfgContainer [2019-08-22 21:59:26,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:59:26,046 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:59:26,047 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:59:26,047 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:59:26,048 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:59:26" (1/1) ... [2019-08-22 21:59:26,061 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:59:26,063 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:59:26,069 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:59:26,077 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:59:26,079 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:59:26,160 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 [2019-08-22 21:59:26,161 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:26,176 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:59:26,177 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:59:26,177 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:59:26,206 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 21 [2019-08-22 21:59:26,241 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:26,334 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:26,451 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:26,525 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:26,541 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 51 treesize of output 47 [2019-08-22 21:59:26,542 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:26,559 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 54 treesize of output 50 [2019-08-22 21:59:26,560 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:26,635 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:59:26,639 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-22 21:59:26,639 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:113 [2019-08-22 21:59:26,670 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:26,684 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 54 treesize of output 50 [2019-08-22 21:59:26,685 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:26,694 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 51 treesize of output 47 [2019-08-22 21:59:26,694 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:26,744 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:59:26,746 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-22 21:59:26,746 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:113 [2019-08-22 21:59:26,761 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:26,783 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-22 21:59:26,784 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:26,812 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 62 treesize of output 58 [2019-08-22 21:59:26,812 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:27,008 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 30 [2019-08-22 21:59:27,008 INFO L567 ElimStorePlain]: treesize reduction 734, result has 6.7 percent of original size [2019-08-22 21:59:27,010 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:59:27,010 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:856, output treesize:60 [2019-08-22 21:59:27,015 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:27,034 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:59:27,042 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 120 treesize of output 95 [2019-08-22 21:59:27,045 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:27,051 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-22 21:59:27,052 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:27,120 INFO L567 ElimStorePlain]: treesize reduction 29, result has 75.0 percent of original size [2019-08-22 21:59:27,121 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:59:27,121 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:244, output treesize:94 [2019-08-22 21:59:27,133 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:27,152 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:59:27,159 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 120 treesize of output 95 [2019-08-22 21:59:27,160 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:27,168 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-22 21:59:27,169 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:27,180 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:59:27,183 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:59:27,185 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:59:27,199 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 118 [2019-08-22 21:59:27,200 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:27,208 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-22 21:59:27,209 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:27,435 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-08-22 21:59:27,436 INFO L567 ElimStorePlain]: treesize reduction 58, result has 78.1 percent of original size [2019-08-22 21:59:27,437 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-08-22 21:59:27,437 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:551, output treesize:221 [2019-08-22 21:59:27,448 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:27,464 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 54 treesize of output 50 [2019-08-22 21:59:27,464 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:27,476 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 51 treesize of output 47 [2019-08-22 21:59:27,476 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:27,520 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:59:27,521 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-22 21:59:27,522 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:113 [2019-08-22 21:59:27,522 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:27,546 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-22 21:59:27,547 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:27,572 INFO L567 ElimStorePlain]: treesize reduction 5, result has 92.1 percent of original size [2019-08-22 21:59:27,646 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:59:27,646 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 39 treesize of output 178 [2019-08-22 21:59:27,648 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:27,649 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:27,654 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:27,801 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-08-22 21:59:27,801 INFO L567 ElimStorePlain]: treesize reduction 88, result has 73.0 percent of original size [2019-08-22 21:59:27,802 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:59:27,802 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:131, output treesize:238 [2019-08-22 21:59:27,898 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:59:27,898 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 52 treesize of output 190 [2019-08-22 21:59:27,900 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:27,901 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:27,905 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:28,193 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2019-08-22 21:59:28,194 INFO L567 ElimStorePlain]: treesize reduction 148, result has 62.1 percent of original size [2019-08-22 21:59:28,297 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:59:28,297 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 56 treesize of output 206 [2019-08-22 21:59:28,299 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:28,303 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:28,306 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:28,590 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-08-22 21:59:28,591 INFO L567 ElimStorePlain]: treesize reduction 96, result has 82.0 percent of original size [2019-08-22 21:59:28,592 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-22 21:59:28,592 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:109, output treesize:438 [2019-08-22 21:59:28,616 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:28,643 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:28,678 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:28,687 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-22 21:59:28,690 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:59:28,692 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:59:28,694 INFO L179 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 218#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (or (and (<= __VERIFIER_assert_~cond 0) (<= |__VERIFIER_assert_#in~cond| 0) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|)) (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-22 21:59:28,703 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:59:28,704 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:59:28,707 INFO L168 Benchmark]: Toolchain (without parser) took 3487.72 ms. Allocated memory was 135.3 MB in the beginning and 254.3 MB in the end (delta: 119.0 MB). Free memory was 90.4 MB in the beginning and 188.6 MB in the end (delta: -98.2 MB). Peak memory consumption was 106.1 MB. Max. memory is 7.1 GB. [2019-08-22 21:59:28,711 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:59:28,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.02 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 90.2 MB in the beginning and 178.9 MB in the end (delta: -88.6 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-08-22 21:59:28,717 INFO L168 Benchmark]: Boogie Preprocessor took 37.25 ms. Allocated memory is still 201.9 MB. Free memory was 178.9 MB in the beginning and 176.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-22 21:59:28,718 INFO L168 Benchmark]: RCFGBuilder took 424.73 ms. Allocated memory is still 201.9 MB. Free memory was 176.7 MB in the beginning and 159.4 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-08-22 21:59:28,723 INFO L168 Benchmark]: Symbolic Interpretation took 2657.38 ms. Allocated memory was 201.9 MB in the beginning and 254.3 MB in the end (delta: 52.4 MB). Free memory was 159.4 MB in the beginning and 188.6 MB in the end (delta: -29.2 MB). Peak memory consumption was 108.5 MB. Max. memory is 7.1 GB. [2019-08-22 21:59:28,734 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 6]: 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 218#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (or (and (<= __VERIFIER_assert_~cond 0) (<= |__VERIFIER_assert_#in~cond| 0) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|)) (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__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 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 365.02 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 90.2 MB in the beginning and 178.9 MB in the end (delta: -88.6 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.25 ms. Allocated memory is still 201.9 MB. Free memory was 178.9 MB in the beginning and 176.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 424.73 ms. Allocated memory is still 201.9 MB. Free memory was 176.7 MB in the beginning and 159.4 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2657.38 ms. Allocated memory was 201.9 MB in the beginning and 254.3 MB in the end (delta: 52.4 MB). Free memory was 159.4 MB in the beginning and 188.6 MB in the end (delta: -29.2 MB). Peak memory consumption was 108.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...