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/avg40-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:13:24,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:13:24,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:13:24,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:13:24,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:13:24,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:13:24,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:13:24,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:13:24,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:13:24,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:13:24,306 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:13:24,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:13:24,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:13:24,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:13:24,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:13:24,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:13:24,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:13:24,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:13:24,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:13:24,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:13:24,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:13:24,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:13:24,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:13:24,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:13:24,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:13:24,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:13:24,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:13:24,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:13:24,338 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 21:13:24,354 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:13:24,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:13:24,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:13:24,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:13:24,356 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:13:24,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:13:24,357 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:13:24,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:13:24,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:13:24,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:13:24,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:13:24,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:13:24,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:13:24,358 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:13:24,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:13:24,359 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:13:24,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:13:24,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:13:24,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:13:24,359 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:13:24,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:13:24,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:13:24,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:13:24,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:13:24,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:13:24,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:13:24,362 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:13:24,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:13:24,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:13:24,417 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:13:24,435 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:13:24,438 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:13:24,440 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:13:24,441 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:13:24,442 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/avg40-2.i [2019-08-17 21:13:24,517 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/110f8fdec/995bbd2ed60c4a98a22cd5d759cba12b/FLAGb26762580 [2019-08-17 21:13:24,951 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:13:24,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/avg40-2.i [2019-08-17 21:13:24,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/110f8fdec/995bbd2ed60c4a98a22cd5d759cba12b/FLAGb26762580 [2019-08-17 21:13:25,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/110f8fdec/995bbd2ed60c4a98a22cd5d759cba12b [2019-08-17 21:13:25,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:13:25,347 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:13:25,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:25,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:13:25,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:13:25,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:25" (1/1) ... [2019-08-17 21:13:25,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c99452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:25, skipping insertion in model container [2019-08-17 21:13:25,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:25" (1/1) ... [2019-08-17 21:13:25,368 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:13:25,392 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:13:25,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:25,578 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:13:25,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:25,616 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:13:25,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:25 WrapperNode [2019-08-17 21:13:25,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:25,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:13:25,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:13:25,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:13:25,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:25" (1/1) ... [2019-08-17 21:13:25,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:25" (1/1) ... [2019-08-17 21:13:25,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:25" (1/1) ... [2019-08-17 21:13:25,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:25" (1/1) ... [2019-08-17 21:13:25,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:25" (1/1) ... [2019-08-17 21:13:25,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:25" (1/1) ... [2019-08-17 21:13:25,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:25" (1/1) ... [2019-08-17 21:13:25,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:13:25,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:13:25,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:13:25,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:13:25,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:13:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:13:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:13:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure avg [2019-08-17 21:13:25,822 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:13:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:13:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:13:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure avg [2019-08-17 21:13:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:13:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:13:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:13:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:13:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:13:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:13:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:13:26,088 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:13:26,089 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-17 21:13:26,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:26 BoogieIcfgContainer [2019-08-17 21:13:26,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:13:26,091 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:13:26,091 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:13:26,091 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:13:26,092 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:26" (1/1) ... [2019-08-17 21:13:26,104 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:13:26,107 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:13:26,113 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:13:26,122 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:13:26,123 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:13:26,229 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 21:13:26,229 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:26,253 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:26,254 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:26,254 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:13:26,266 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:13:26,408 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 21:13:26,408 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:26,419 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:26,421 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 21:13:26,421 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28 [2019-08-17 21:13:26,455 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:26,459 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:26,460 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:26,461 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:26,505 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:26,528 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 60 treesize of output 50 [2019-08-17 21:13:26,531 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:26,567 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:26,597 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 62 [2019-08-17 21:13:26,599 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:26,636 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:26,657 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 69 treesize of output 59 [2019-08-17 21:13:26,658 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:26,678 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:26,708 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 61 treesize of output 51 [2019-08-17 21:13:26,712 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:26,736 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:26,754 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 63 treesize of output 53 [2019-08-17 21:13:26,756 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:26,771 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:26,780 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 64 treesize of output 54 [2019-08-17 21:13:26,781 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:27,138 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-08-17 21:13:27,139 INFO L567 ElimStorePlain]: treesize reduction 69, result has 74.4 percent of original size [2019-08-17 21:13:27,143 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2019-08-17 21:13:27,143 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:390, output treesize:201 [2019-08-17 21:13:27,149 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,150 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,151 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,153 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,154 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,156 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,156 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,157 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,159 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,160 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,235 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,240 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,244 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,245 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,250 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,252 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,253 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,254 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,257 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,304 INFO L341 Elim1Store]: treesize reduction 31, result has 18.4 percent of original size [2019-08-17 21:13:27,305 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 30 treesize of output 20 [2019-08-17 21:13:27,306 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:27,314 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:27,314 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:27,315 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:18 [2019-08-17 21:13:27,318 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,319 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,320 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,322 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:27,357 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:27,358 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:27,363 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 21:13:27,364 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:27,380 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:27,381 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:27,387 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 84 treesize of output 79 [2019-08-17 21:13:27,388 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:27,402 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:27,403 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:27,407 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 81 treesize of output 76 [2019-08-17 21:13:27,408 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:27,424 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:27,425 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:27,429 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 76 treesize of output 71 [2019-08-17 21:13:27,430 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:27,445 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:27,446 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:27,451 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 21:13:27,452 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:27,467 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:27,470 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:27,474 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 21:13:27,474 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:27,908 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-08-17 21:13:27,909 INFO L567 ElimStorePlain]: treesize reduction 70, result has 82.3 percent of original size [2019-08-17 21:13:27,913 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2019-08-17 21:13:27,913 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:462, output treesize:326 [2019-08-17 21:13:27,951 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:27,953 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:27,957 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:27,971 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 79 treesize of output 73 [2019-08-17 21:13:27,973 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:27,991 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:27,994 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:27,997 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:28,011 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 21:13:28,012 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:28,029 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:28,032 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:28,034 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:28,044 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 76 treesize of output 70 [2019-08-17 21:13:28,045 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:28,058 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:28,060 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:28,061 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:28,071 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 88 treesize of output 82 [2019-08-17 21:13:28,073 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:28,092 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:28,094 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:28,097 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:28,106 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 83 treesize of output 77 [2019-08-17 21:13:28,107 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:28,122 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:28,124 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:28,128 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:28,130 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 91 treesize of output 85 [2019-08-17 21:13:28,131 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:28,589 WARN L188 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2019-08-17 21:13:28,589 INFO L567 ElimStorePlain]: treesize reduction 18, result has 94.9 percent of original size [2019-08-17 21:13:28,595 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2019-08-17 21:13:28,596 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:500, output treesize:338 [2019-08-17 21:13:28,637 INFO L341 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2019-08-17 21:13:28,638 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 21:13:28,638 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:28,644 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:28,645 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:28,645 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2019-08-17 21:13:28,672 INFO L341 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2019-08-17 21:13:28,673 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 21:13:28,673 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:28,679 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:28,680 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:28,680 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2019-08-17 21:13:28,687 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 21:13:28,688 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:28,700 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:28,700 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:28,700 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2019-08-17 21:13:28,702 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:28,703 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:28,703 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:28,704 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:28,705 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:28,705 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:28,706 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:28,706 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:28,707 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:28,708 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:28,713 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:13:28,713 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:13:28,716 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 122#(and (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0)))) [2019-08-17 21:13:28,725 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:13:28,725 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:13:28,727 INFO L168 Benchmark]: Toolchain (without parser) took 3379.96 ms. Allocated memory was 141.6 MB in the beginning and 255.3 MB in the end (delta: 113.8 MB). Free memory was 89.5 MB in the beginning and 227.5 MB in the end (delta: -138.0 MB). Peak memory consumption was 98.6 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:28,728 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 141.6 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:13:28,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.96 ms. Allocated memory is still 141.6 MB. Free memory was 89.1 MB in the beginning and 79.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:28,729 INFO L168 Benchmark]: Boogie Preprocessor took 142.24 ms. Allocated memory was 141.6 MB in the beginning and 200.3 MB in the end (delta: 58.7 MB). Free memory was 79.1 MB in the beginning and 177.3 MB in the end (delta: -98.2 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:28,730 INFO L168 Benchmark]: RCFGBuilder took 330.03 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 161.4 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:28,731 INFO L168 Benchmark]: Symbolic Interpretation took 2634.55 ms. Allocated memory was 200.3 MB in the beginning and 255.3 MB in the end (delta: 55.1 MB). Free memory was 161.4 MB in the beginning and 227.5 MB in the end (delta: -66.2 MB). Peak memory consumption was 111.7 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:28,741 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 122#(and (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 141.6 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 268.96 ms. Allocated memory is still 141.6 MB. Free memory was 89.1 MB in the beginning and 79.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.24 ms. Allocated memory was 141.6 MB in the beginning and 200.3 MB in the end (delta: 58.7 MB). Free memory was 79.1 MB in the beginning and 177.3 MB in the end (delta: -98.2 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 330.03 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 161.4 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2634.55 ms. Allocated memory was 200.3 MB in the beginning and 255.3 MB in the end (delta: 55.1 MB). Free memory was 161.4 MB in the beginning and 227.5 MB in the end (delta: -66.2 MB). Peak memory consumption was 111.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...