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/sum60-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:13:43,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:13:43,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:13:43,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:13:43,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:13:43,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:13:43,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:13:43,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:13:43,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:13:43,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:13:43,718 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:13:43,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:13:43,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:13:43,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:13:43,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:13:43,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:13:43,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:13:43,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:13:43,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:13:43,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:13:43,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:13:43,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:13:43,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:13:43,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:13:43,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:13:43,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:13:43,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:13:43,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:13:43,747 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 21:13:43,762 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:13:43,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:13:43,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:13:43,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:13:43,764 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:13:43,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:13:43,764 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:13:43,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:13:43,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:13:43,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:13:43,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:13:43,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:13:43,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:13:43,766 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:13:43,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:13:43,766 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:13:43,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:13:43,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:13:43,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:13:43,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:13:43,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:13:43,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:13:43,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:13:43,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:13:43,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:13:43,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:13:43,768 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:13:43,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:13:43,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:13:43,809 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:13:43,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:13:43,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:13:43,828 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:13:43,828 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:13:43,829 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sum60-2.i [2019-08-17 21:13:43,887 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76318dcad/2cfa636dcc2c47a098a5a39dcd7b8667/FLAGd31a10fe3 [2019-08-17 21:13:44,345 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:13:44,348 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sum60-2.i [2019-08-17 21:13:44,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76318dcad/2cfa636dcc2c47a098a5a39dcd7b8667/FLAGd31a10fe3 [2019-08-17 21:13:44,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76318dcad/2cfa636dcc2c47a098a5a39dcd7b8667 [2019-08-17 21:13:44,704 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:13:44,709 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:13:44,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:44,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:13:44,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:13:44,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:44" (1/1) ... [2019-08-17 21:13:44,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce993bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:44, skipping insertion in model container [2019-08-17 21:13:44,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:44" (1/1) ... [2019-08-17 21:13:44,727 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:13:44,746 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:13:44,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:44,952 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:13:44,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:44,990 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:13:44,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:44 WrapperNode [2019-08-17 21:13:44,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:44,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:13:44,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:13:44,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:13:45,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:44" (1/1) ... [2019-08-17 21:13:45,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:44" (1/1) ... [2019-08-17 21:13:45,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:44" (1/1) ... [2019-08-17 21:13:45,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:44" (1/1) ... [2019-08-17 21:13:45,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:44" (1/1) ... [2019-08-17 21:13:45,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:44" (1/1) ... [2019-08-17 21:13:45,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:44" (1/1) ... [2019-08-17 21:13:45,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:13:45,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:13:45,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:13:45,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:13:45,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:44" (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 21:13:45,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:13:45,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:13:45,200 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2019-08-17 21:13:45,200 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:13:45,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:13:45,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:13:45,201 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2019-08-17 21:13:45,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:13:45,201 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:13:45,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:13:45,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:13:45,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:13:45,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:13:45,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:13:45,500 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:13:45,500 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-17 21:13:45,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:45 BoogieIcfgContainer [2019-08-17 21:13:45,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:13:45,502 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:13:45,502 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:13:45,502 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:13:45,503 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:45" (1/1) ... [2019-08-17 21:13:45,513 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:13:45,515 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:13:45,521 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:13:45,528 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:13:45,529 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:13:45,617 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 21:13:45,617 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:45,647 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:45,648 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:45,648 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:13:45,665 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:13:45,793 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 21:13:45,794 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:45,806 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:45,807 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 21:13:45,808 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28 [2019-08-17 21:13:45,866 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:45,882 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 21:13:45,883 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:45,900 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:45,913 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 21:13:45,914 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:46,003 INFO L567 ElimStorePlain]: treesize reduction 19, result has 72.1 percent of original size [2019-08-17 21:13:46,005 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 21:13:46,005 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:49 [2019-08-17 21:13:46,043 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:46,059 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 21:13:46,060 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:46,081 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:46,089 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 21:13:46,090 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:46,180 INFO L567 ElimStorePlain]: treesize reduction 17, result has 75.0 percent of original size [2019-08-17 21:13:46,181 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 21:13:46,182 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:51 [2019-08-17 21:13:46,217 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:46,218 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:46,223 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 21:13:46,224 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:46,238 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:46,239 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:46,244 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 21:13:46,245 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:46,258 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:46,259 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:46,264 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 21:13:46,265 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:46,279 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:46,280 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:46,284 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 21:13:46,285 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:46,570 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-08-17 21:13:46,571 INFO L567 ElimStorePlain]: treesize reduction 48, result has 80.6 percent of original size [2019-08-17 21:13:46,577 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 21:13:46,577 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 9 variables, input treesize:291, output treesize:199 [2019-08-17 21:13:46,628 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:46,630 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:46,632 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:46,642 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 21:13:46,643 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:46,655 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:46,657 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:46,659 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:46,668 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 75 treesize of output 69 [2019-08-17 21:13:46,669 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:46,681 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:46,683 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:46,685 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:46,693 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 21:13:46,694 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:46,705 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:46,707 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:46,708 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:46,710 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 21:13:46,712 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:46,924 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-08-17 21:13:46,925 INFO L567 ElimStorePlain]: treesize reduction 12, result has 94.5 percent of original size [2019-08-17 21:13:46,928 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 21:13:46,928 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 9 variables, input treesize:315, output treesize:207 [2019-08-17 21:13:46,972 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:46,974 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:46,976 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:46,989 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 21:13:46,990 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:47,007 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:47,009 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:47,012 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:47,023 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 21:13:47,024 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:47,040 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:47,043 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:47,045 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:47,054 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 21:13:47,056 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:47,072 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:47,075 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:47,078 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:47,088 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 21:13:47,089 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:47,106 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:47,108 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:47,111 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:47,120 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 75 treesize of output 69 [2019-08-17 21:13:47,122 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:47,135 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:47,137 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:47,139 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:47,147 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 75 treesize of output 69 [2019-08-17 21:13:47,148 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:47,163 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:47,165 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:47,167 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:47,174 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 21:13:47,175 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:47,188 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:47,190 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:47,192 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:47,194 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 21:13:47,195 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:47,626 WARN L188 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2019-08-17 21:13:47,627 INFO L567 ElimStorePlain]: treesize reduction 24, result has 94.5 percent of original size [2019-08-17 21:13:47,632 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 21:13:47,632 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 17 variables, input treesize:629, output treesize:413 [2019-08-17 21:13:47,686 INFO L341 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2019-08-17 21:13:47,687 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 21:13:47,687 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:47,693 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:47,694 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:47,694 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2019-08-17 21:13:47,700 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 21:13:47,700 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:47,706 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:47,707 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:47,707 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2019-08-17 21:13:47,713 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:13:47,714 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:13:47,716 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 118#(and (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) (exists ((v_sum_~ret~0_BEFORE_RETURN_5 Int) (v_prenex_22 Int)) (or (and (not (< main_~i~2 59)) (<= (mod v_prenex_22 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (= (mod v_prenex_22 4294967296) main_~ret5~0) (<= 0 (+ main_~ret5~0 2147483648)) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 236)))) (and (not (< main_~i~2 59)) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (+ (mod v_sum_~ret~0_BEFORE_RETURN_5 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (not (<= (mod v_sum_~ret~0_BEFORE_RETURN_5 4294967296) 2147483647)) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 236))))))) [2019-08-17 21:13:47,727 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:13:47,727 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:13:47,729 INFO L168 Benchmark]: Toolchain (without parser) took 3023.16 ms. Allocated memory was 131.6 MB in the beginning and 221.2 MB in the end (delta: 89.7 MB). Free memory was 87.5 MB in the beginning and 75.2 MB in the end (delta: 12.4 MB). Peak memory consumption was 102.0 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:47,730 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:13:47,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.20 ms. Allocated memory is still 131.6 MB. Free memory was 87.3 MB in the beginning and 77.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:47,732 INFO L168 Benchmark]: Boogie Preprocessor took 128.34 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 77.0 MB in the beginning and 175.0 MB in the end (delta: -98.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:47,732 INFO L168 Benchmark]: RCFGBuilder took 381.51 ms. Allocated memory is still 199.2 MB. Free memory was 175.0 MB in the beginning and 159.1 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:47,733 INFO L168 Benchmark]: Symbolic Interpretation took 2225.24 ms. Allocated memory was 199.2 MB in the beginning and 221.2 MB in the end (delta: 22.0 MB). Free memory was 159.1 MB in the beginning and 75.2 MB in the end (delta: 83.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:47,737 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 118#(and (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) (exists ((v_sum_~ret~0_BEFORE_RETURN_5 Int) (v_prenex_22 Int)) (or (and (not (< main_~i~2 59)) (<= (mod v_prenex_22 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (= (mod v_prenex_22 4294967296) main_~ret5~0) (<= 0 (+ main_~ret5~0 2147483648)) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 236)))) (and (not (< main_~i~2 59)) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (+ (mod v_sum_~ret~0_BEFORE_RETURN_5 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (not (<= (mod v_sum_~ret~0_BEFORE_RETURN_5 4294967296) 2147483647)) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 236))))))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 281.20 ms. Allocated memory is still 131.6 MB. Free memory was 87.3 MB in the beginning and 77.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.34 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 77.0 MB in the beginning and 175.0 MB in the end (delta: -98.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 381.51 ms. Allocated memory is still 199.2 MB. Free memory was 175.0 MB in the beginning and 159.1 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2225.24 ms. Allocated memory was 199.2 MB in the beginning and 221.2 MB in the end (delta: 22.0 MB). Free memory was 159.1 MB in the beginning and 75.2 MB in the end (delta: 83.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...