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 0.1.24-584d7b9 [2019-08-31 05:28:06,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 05:28:06,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 05:28:06,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 05:28:06,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 05:28:06,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 05:28:06,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 05:28:06,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 05:28:06,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 05:28:06,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 05:28:06,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 05:28:06,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 05:28:06,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 05:28:06,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 05:28:06,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 05:28:06,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 05:28:06,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 05:28:06,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 05:28:06,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 05:28:06,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 05:28:06,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 05:28:06,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 05:28:06,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 05:28:06,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 05:28:06,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 05:28:06,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 05:28:06,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 05:28:06,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 05:28:06,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 05:28:06,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 05:28:06,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 05:28:06,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 05:28:06,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 05:28:06,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 05:28:06,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 05:28:06,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 05:28:06,321 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 [2019-08-31 05:28:06,334 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 05:28:06,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 05:28:06,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 05:28:06,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 05:28:06,336 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 05:28:06,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 05:28:06,336 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 05:28:06,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 05:28:06,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 05:28:06,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 05:28:06,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 05:28:06,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 05:28:06,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 05:28:06,338 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 05:28:06,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 05:28:06,338 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 05:28:06,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 05:28:06,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 05:28:06,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 05:28:06,339 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 05:28:06,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 05:28:06,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 05:28:06,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 05:28:06,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 05:28:06,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 05:28:06,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 05:28:06,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 05:28:06,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 05:28:06,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 05:28:06,383 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 05:28:06,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 05:28:06,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 05:28:06,401 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 05:28:06,401 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 05:28:06,402 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum_array-2.i [2019-08-31 05:28:06,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53a4569d1/db8579e224ec4895850920fa21e8749c/FLAG3bd7c3d05 [2019-08-31 05:28:06,867 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 05:28:06,868 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum_array-2.i [2019-08-31 05:28:06,874 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53a4569d1/db8579e224ec4895850920fa21e8749c/FLAG3bd7c3d05 [2019-08-31 05:28:07,236 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53a4569d1/db8579e224ec4895850920fa21e8749c [2019-08-31 05:28:07,251 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 05:28:07,252 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 05:28:07,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 05:28:07,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 05:28:07,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 05:28:07,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:28:07" (1/1) ... [2019-08-31 05:28:07,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f24a046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:28:07, skipping insertion in model container [2019-08-31 05:28:07,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:28:07" (1/1) ... [2019-08-31 05:28:07,268 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 05:28:07,282 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 05:28:07,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 05:28:07,451 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 05:28:07,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 05:28:07,587 INFO L192 MainTranslator]: Completed translation [2019-08-31 05:28:07,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:28:07 WrapperNode [2019-08-31 05:28:07,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 05:28:07,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 05:28:07,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 05:28:07,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 05:28:07,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:28:07" (1/1) ... [2019-08-31 05:28:07,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:28:07" (1/1) ... [2019-08-31 05:28:07,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:28:07" (1/1) ... [2019-08-31 05:28:07,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:28:07" (1/1) ... [2019-08-31 05:28:07,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:28:07" (1/1) ... [2019-08-31 05:28:07,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:28:07" (1/1) ... [2019-08-31 05:28:07,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:28:07" (1/1) ... [2019-08-31 05:28:07,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 05:28:07,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 05:28:07,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 05:28:07,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 05:28:07,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:28:07" (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 [2019-08-31 05:28:07,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 05:28:07,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 05:28:07,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-31 05:28:07,686 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 05:28:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 05:28:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 05:28:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 05:28:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-31 05:28:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-31 05:28:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 05:28:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 05:28:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 05:28:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 05:28:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 05:28:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 05:28:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 05:28:08,047 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 05:28:08,047 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-31 05:28:08,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:28:08 BoogieIcfgContainer [2019-08-31 05:28:08,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 05:28:08,049 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 05:28:08,049 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 05:28:08,049 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 05:28:08,050 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:28:08" (1/1) ... [2019-08-31 05:28:08,085 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 05:28:08,085 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 05:28:08,093 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 05:28:08,101 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 05:28:08,102 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 05:28:08,198 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 [2019-08-31 05:28:08,198 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:08,228 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 05:28:08,229 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 05:28:08,230 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 05:28:08,244 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-08-31 05:28:08,288 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:08,345 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:08,481 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:08,561 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:08,582 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 [2019-08-31 05:28:08,583 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:08,599 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 [2019-08-31 05:28:08,600 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:08,650 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 05:28:08,652 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-31 05:28:08,653 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:113 [2019-08-31 05:28:08,671 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:08,686 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 [2019-08-31 05:28:08,686 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:08,694 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 [2019-08-31 05:28:08,694 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:08,744 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 05:28:08,746 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-31 05:28:08,746 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:113 [2019-08-31 05:28:08,770 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:08,803 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-31 05:28:08,804 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:08,826 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 [2019-08-31 05:28:08,827 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:09,011 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 30 [2019-08-31 05:28:09,012 INFO L567 ElimStorePlain]: treesize reduction 734, result has 6.7 percent of original size [2019-08-31 05:28:09,014 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. [2019-08-31 05:28:09,014 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:856, output treesize:60 [2019-08-31 05:28:09,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:09,055 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 05:28:09,067 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 [2019-08-31 05:28:09,068 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:09,073 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-31 05:28:09,073 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:09,138 INFO L567 ElimStorePlain]: treesize reduction 29, result has 75.0 percent of original size [2019-08-31 05:28:09,140 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. [2019-08-31 05:28:09,140 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:244, output treesize:94 [2019-08-31 05:28:09,152 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:09,175 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 05:28:09,184 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 [2019-08-31 05:28:09,186 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:09,197 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-31 05:28:09,198 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:09,207 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 05:28:09,209 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 05:28:09,211 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 05:28:09,221 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 [2019-08-31 05:28:09,223 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:09,234 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-31 05:28:09,235 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:09,452 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-08-31 05:28:09,453 INFO L567 ElimStorePlain]: treesize reduction 58, result has 78.1 percent of original size [2019-08-31 05:28:09,456 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. [2019-08-31 05:28:09,457 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:551, output treesize:221 [2019-08-31 05:28:09,473 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:09,485 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 [2019-08-31 05:28:09,486 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:09,493 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 [2019-08-31 05:28:09,493 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:09,531 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 05:28:09,532 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-31 05:28:09,532 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:113 [2019-08-31 05:28:09,533 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:09,555 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-31 05:28:09,556 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:09,582 INFO L567 ElimStorePlain]: treesize reduction 5, result has 92.1 percent of original size [2019-08-31 05:28:09,650 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 05:28:09,650 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 [2019-08-31 05:28:09,652 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:09,652 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:09,656 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:09,809 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-08-31 05:28:09,809 INFO L567 ElimStorePlain]: treesize reduction 88, result has 73.0 percent of original size [2019-08-31 05:28:09,811 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. [2019-08-31 05:28:09,811 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:131, output treesize:238 [2019-08-31 05:28:09,901 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 05:28:09,902 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 [2019-08-31 05:28:09,903 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:09,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:09,906 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:10,109 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2019-08-31 05:28:10,110 INFO L567 ElimStorePlain]: treesize reduction 148, result has 62.1 percent of original size [2019-08-31 05:28:10,189 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 05:28:10,190 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 [2019-08-31 05:28:10,192 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,193 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,195 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:10,478 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-08-31 05:28:10,479 INFO L567 ElimStorePlain]: treesize reduction 96, result has 82.0 percent of original size [2019-08-31 05:28:10,480 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-31 05:28:10,480 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:109, output treesize:438 [2019-08-31 05:28:10,507 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,508 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,513 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,515 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,517 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,528 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,529 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,530 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,532 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,550 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,576 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,577 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,578 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,580 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,584 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,587 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,588 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,596 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,605 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,606 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,610 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,612 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,620 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,632 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,637 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,638 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,639 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,644 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,645 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,651 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,652 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,653 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,656 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,657 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,661 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,662 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,677 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,709 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:10,713 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-08-31 05:28:10,714 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 05:28:10,714 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 05:28:10,716 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 206#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-31 05:28:10,737 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 05:28:10,737 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 05:28:10,739 INFO L168 Benchmark]: Toolchain (without parser) took 3486.67 ms. Allocated memory was 139.5 MB in the beginning and 261.6 MB in the end (delta: 122.2 MB). Free memory was 88.2 MB in the beginning and 174.1 MB in the end (delta: -86.0 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. [2019-08-31 05:28:10,740 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 05:28:10,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.64 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 88.0 MB in the beginning and 177.7 MB in the end (delta: -89.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-08-31 05:28:10,744 INFO L168 Benchmark]: Boogie Preprocessor took 39.53 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 175.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-31 05:28:10,748 INFO L168 Benchmark]: RCFGBuilder took 420.41 ms. Allocated memory is still 199.8 MB. Free memory was 175.4 MB in the beginning and 157.8 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. [2019-08-31 05:28:10,754 INFO L168 Benchmark]: Sifa took 2688.46 ms. Allocated memory was 199.8 MB in the beginning and 261.6 MB in the end (delta: 61.9 MB). Free memory was 157.8 MB in the beginning and 174.1 MB in the end (delta: -16.4 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. [2019-08-31 05:28:10,757 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 334.64 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 88.0 MB in the beginning and 177.7 MB in the end (delta: -89.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.53 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 175.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 420.41 ms. Allocated memory is still 199.8 MB. Free memory was 175.4 MB in the beginning and 157.8 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. * Sifa took 2688.46 ms. Allocated memory was 199.8 MB in the beginning and 261.6 MB in the end (delta: 61.9 MB). Free memory was 157.8 MB in the beginning and 174.1 MB in the end (delta: -16.4 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 2.6s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 72 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 2 DAG_INTERPRETER_EARLY_EXITS, 62 TOOLS_POST_APPLICATIONS, 2.2s TOOLS_POST_TIME, 6 TOOLS_POST_CALL_APPLICATIONS, 0.2s TOOLS_POST_CALL_TIME, 4 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 2.3s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 83 FLUID_QUERIES, 2 FLUID_YES_ANSWERS, 22 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 2 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 7 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 11 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.1s DOMAIN_ISSUBSETEQ_TIME, 11 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 4 LOOP_SUMMARIZER_APPLICATIONS, 4 LOOP_SUMMARIZER_CACHE_MISSES, 2.1s LOOP_SUMMARIZER_OVERALL_TIME, 2.1s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 11 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 4 CALL_SUMMARIZER_APPLICATIONS, 2 CALL_SUMMARIZER_CACHE_MISSES, 0.1s CALL_SUMMARIZER_OVERALL_TIME, 0.1s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 276 DAG_COMPRESSION_PROCESSED_NODES, 106 DAG_COMPRESSION_RETAINED_NODES - 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 206#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...