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/reducercommutativity/max05-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:13:28,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:13:28,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:13:28,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:13:28,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:13:28,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:13:28,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:13:28,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:13:28,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:13:28,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:13:28,342 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:13:28,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:13:28,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:13:28,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:13:28,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:13:28,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:13:28,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:13:28,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:13:28,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:13:28,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:13:28,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:13:28,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:13:28,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:13:28,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:13:28,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:13:28,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:13:28,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:13:28,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:13:28,372 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 21:13:28,388 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:13:28,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:13:28,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:13:28,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:13:28,391 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:13:28,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:13:28,392 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:13:28,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:13:28,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:13:28,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:13:28,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:13:28,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:13:28,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:13:28,393 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:13:28,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:13:28,394 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:13:28,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:13:28,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:13:28,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:13:28,395 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:13:28,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:13:28,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:13:28,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:13:28,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:13:28,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:13:28,396 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:13:28,398 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:13:28,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:13:28,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:13:28,455 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:13:28,467 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:13:28,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:13:28,472 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:13:28,473 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:13:28,474 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/max05-1.i [2019-08-17 21:13:28,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a87e411d9/f4b63660aa4d4dc7855a5f1473b79075/FLAGcf4b32768 [2019-08-17 21:13:29,023 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:13:29,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/max05-1.i [2019-08-17 21:13:29,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a87e411d9/f4b63660aa4d4dc7855a5f1473b79075/FLAGcf4b32768 [2019-08-17 21:13:29,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a87e411d9/f4b63660aa4d4dc7855a5f1473b79075 [2019-08-17 21:13:29,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:13:29,431 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:13:29,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:29,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:13:29,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:13:29,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:29" (1/1) ... [2019-08-17 21:13:29,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@268f77b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:29, skipping insertion in model container [2019-08-17 21:13:29,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:29" (1/1) ... [2019-08-17 21:13:29,450 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:13:29,467 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:13:29,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:29,661 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:13:29,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:29,698 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:13:29,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:29 WrapperNode [2019-08-17 21:13:29,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:29,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:13:29,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:13:29,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:13:29,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:29" (1/1) ... [2019-08-17 21:13:29,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:29" (1/1) ... [2019-08-17 21:13:29,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:29" (1/1) ... [2019-08-17 21:13:29,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:29" (1/1) ... [2019-08-17 21:13:29,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:29" (1/1) ... [2019-08-17 21:13:29,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:29" (1/1) ... [2019-08-17 21:13:29,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:29" (1/1) ... [2019-08-17 21:13:29,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:13:29,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:13:29,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:13:29,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:13:29,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:29" (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 21:13:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:13:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:13:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2019-08-17 21:13:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:13:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:13:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:13:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure max [2019-08-17 21:13:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:13:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:13:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:13:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:13:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:13:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:13:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:13:30,233 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:13:30,233 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-17 21:13:30,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:30 BoogieIcfgContainer [2019-08-17 21:13:30,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:13:30,241 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:13:30,242 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:13:30,242 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:13:30,243 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:30" (1/1) ... [2019-08-17 21:13:30,257 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:13:30,259 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:13:30,265 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:13:30,272 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:13:30,273 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:13:30,361 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 21:13:30,362 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:30,380 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:30,380 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:30,381 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:13:30,393 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:13:30,493 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 15 treesize of output 11 [2019-08-17 21:13:30,494 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:30,506 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:30,508 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:30,508 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28 [2019-08-17 21:13:30,581 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:30,595 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2019-08-17 21:13:30,596 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:30,607 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:30,614 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 45 [2019-08-17 21:13:30,615 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:30,692 INFO L567 ElimStorePlain]: treesize reduction 19, result has 72.1 percent of original size [2019-08-17 21:13:30,694 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-08-17 21:13:30,695 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:49 [2019-08-17 21:13:30,730 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:30,743 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 45 [2019-08-17 21:13:30,744 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:30,753 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:30,760 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2019-08-17 21:13:30,761 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:30,845 INFO L567 ElimStorePlain]: treesize reduction 17, result has 75.0 percent of original size [2019-08-17 21:13:30,846 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-08-17 21:13:30,847 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:51 [2019-08-17 21:13:30,885 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:30,886 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:30,891 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 65 [2019-08-17 21:13:30,893 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:30,907 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:30,909 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:30,914 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 67 [2019-08-17 21:13:30,915 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:30,930 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:30,931 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:30,937 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 68 [2019-08-17 21:13:30,938 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:30,965 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:30,966 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:30,971 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 70 [2019-08-17 21:13:30,972 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:31,264 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-08-17 21:13:31,265 INFO L567 ElimStorePlain]: treesize reduction 46, result has 81.4 percent of original size [2019-08-17 21:13:31,268 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 4 xjuncts. [2019-08-17 21:13:31,269 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 9 variables, input treesize:291, output treesize:201 [2019-08-17 21:13:31,306 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,308 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,311 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,322 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 71 [2019-08-17 21:13:31,324 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:31,339 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,342 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,345 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,356 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 71 [2019-08-17 21:13:31,357 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:31,372 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,374 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,377 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,385 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 74 [2019-08-17 21:13:31,386 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:31,397 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,399 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,400 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,402 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 76 [2019-08-17 21:13:31,403 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:31,608 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-08-17 21:13:31,609 INFO L567 ElimStorePlain]: treesize reduction 12, result has 94.6 percent of original size [2019-08-17 21:13:31,611 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 4 xjuncts. [2019-08-17 21:13:31,612 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 9 variables, input treesize:317, output treesize:209 [2019-08-17 21:13:31,651 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,653 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,655 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,663 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 71 [2019-08-17 21:13:31,665 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:31,678 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,680 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,681 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,690 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 71 [2019-08-17 21:13:31,691 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:31,706 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,708 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,710 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,721 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 76 [2019-08-17 21:13:31,722 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:31,738 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,740 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,743 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,752 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 74 [2019-08-17 21:13:31,753 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:31,767 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,770 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,771 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,779 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 74 [2019-08-17 21:13:31,780 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:31,798 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,802 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,805 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,816 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 71 [2019-08-17 21:13:31,817 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:31,832 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,834 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,836 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,848 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 71 [2019-08-17 21:13:31,849 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:31,864 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,865 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,867 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:31,869 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 76 [2019-08-17 21:13:31,870 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:32,329 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2019-08-17 21:13:32,330 INFO L567 ElimStorePlain]: treesize reduction 24, result has 94.6 percent of original size [2019-08-17 21:13:32,335 INFO L496 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 1 dim-2 vars, End of recursive call: 16 dim-0 vars, and 8 xjuncts. [2019-08-17 21:13:32,336 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 17 variables, input treesize:633, output treesize:417 [2019-08-17 21:13:32,365 INFO L341 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2019-08-17 21:13:32,366 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2019-08-17 21:13:32,367 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:32,374 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:32,374 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:32,375 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2019-08-17 21:13:32,381 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 13 treesize of output 9 [2019-08-17 21:13:32,382 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:32,387 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:32,387 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:32,388 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2019-08-17 21:13:32,393 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:13:32,394 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:13:32,397 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 116#(and (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) (exists ((v_prenex_22 Int) (v_max_~ret~0_BEFORE_RETURN_5 Int)) (or (and (= main_~ret5~0 (+ (mod v_prenex_22 4294967296) (- 4294967296))) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 16))) (not (<= (mod v_prenex_22 4294967296) 2147483647)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< main_~i~2 4))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 16))) (<= (mod v_max_~ret~0_BEFORE_RETURN_5 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (= (mod v_max_~ret~0_BEFORE_RETURN_5 4294967296) main_~ret5~0) (not (< main_~i~2 4)))))) [2019-08-17 21:13:32,408 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:13:32,408 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:13:32,410 INFO L168 Benchmark]: Toolchain (without parser) took 2979.35 ms. Allocated memory was 140.5 MB in the beginning and 224.9 MB in the end (delta: 84.4 MB). Free memory was 87.8 MB in the beginning and 74.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 97.6 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:32,411 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory is still 106.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-17 21:13:32,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.19 ms. Allocated memory is still 140.5 MB. Free memory was 87.8 MB in the beginning and 77.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:32,413 INFO L168 Benchmark]: Boogie Preprocessor took 159.34 ms. Allocated memory was 140.5 MB in the beginning and 198.7 MB in the end (delta: 58.2 MB). Free memory was 77.4 MB in the beginning and 175.7 MB in the end (delta: -98.3 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:32,414 INFO L168 Benchmark]: RCFGBuilder took 376.08 ms. Allocated memory is still 198.7 MB. Free memory was 174.8 MB in the beginning and 159.0 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:32,415 INFO L168 Benchmark]: Symbolic Interpretation took 2166.97 ms. Allocated memory was 198.7 MB in the beginning and 224.9 MB in the end (delta: 26.2 MB). Free memory was 159.0 MB in the beginning and 74.6 MB in the end (delta: 84.4 MB). Peak memory consumption was 110.6 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:32,418 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 39]: 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 116#(and (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) (exists ((v_prenex_22 Int) (v_max_~ret~0_BEFORE_RETURN_5 Int)) (or (and (= main_~ret5~0 (+ (mod v_prenex_22 4294967296) (- 4294967296))) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 16))) (not (<= (mod v_prenex_22 4294967296) 2147483647)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< main_~i~2 4))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 16))) (<= (mod v_max_~ret~0_BEFORE_RETURN_5 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (= (mod v_max_~ret~0_BEFORE_RETURN_5 4294967296) main_~ret5~0) (not (< main_~i~2 4)))))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory is still 106.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 266.19 ms. Allocated memory is still 140.5 MB. Free memory was 87.8 MB in the beginning and 77.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 159.34 ms. Allocated memory was 140.5 MB in the beginning and 198.7 MB in the end (delta: 58.2 MB). Free memory was 77.4 MB in the beginning and 175.7 MB in the end (delta: -98.3 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 376.08 ms. Allocated memory is still 198.7 MB. Free memory was 174.8 MB in the beginning and 159.0 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2166.97 ms. Allocated memory was 198.7 MB in the beginning and 224.9 MB in the end (delta: 26.2 MB). Free memory was 159.0 MB in the beginning and 74.6 MB in the end (delta: 84.4 MB). Peak memory consumption was 110.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...