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/avg05-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:13:22,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:13:22,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:13:22,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:13:22,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:13:22,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:13:22,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:13:22,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:13:22,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:13:22,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:13:22,478 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:13:22,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:13:22,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:13:22,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:13:22,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:13:22,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:13:22,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:13:22,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:13:22,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:13:22,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:13:22,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:13:22,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:13:22,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:13:22,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:13:22,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:13:22,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:13:22,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:13:22,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:13:22,507 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 21:13:22,521 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:13:22,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:13:22,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:13:22,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:13:22,523 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:13:22,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:13:22,524 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:13:22,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:13:22,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:13:22,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:13:22,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:13:22,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:13:22,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:13:22,525 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:13:22,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:13:22,525 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:13:22,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:13:22,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:13:22,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:13:22,526 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:13:22,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:13:22,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:13:22,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:13:22,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:13:22,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:13:22,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:13:22,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:13:22,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:13:22,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:13:22,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:13:22,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:13:22,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:13:22,577 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:13:22,577 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:13:22,578 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/avg05-1.i [2019-08-17 21:13:22,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09ce1d6af/09f701044efb41a9b89b2fb99e1f6537/FLAGa54ecf081 [2019-08-17 21:13:23,129 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:13:23,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/avg05-1.i [2019-08-17 21:13:23,136 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09ce1d6af/09f701044efb41a9b89b2fb99e1f6537/FLAGa54ecf081 [2019-08-17 21:13:23,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09ce1d6af/09f701044efb41a9b89b2fb99e1f6537 [2019-08-17 21:13:23,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:13:23,482 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:13:23,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:23,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:13:23,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:13:23,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:23" (1/1) ... [2019-08-17 21:13:23,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bdc2cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:23, skipping insertion in model container [2019-08-17 21:13:23,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:23" (1/1) ... [2019-08-17 21:13:23,501 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:13:23,524 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:13:23,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:23,745 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:13:23,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:23,794 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:13:23,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:23 WrapperNode [2019-08-17 21:13:23,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:23,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:13:23,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:13:23,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:13:23,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:23" (1/1) ... [2019-08-17 21:13:23,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:23" (1/1) ... [2019-08-17 21:13:23,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:23" (1/1) ... [2019-08-17 21:13:23,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:23" (1/1) ... [2019-08-17 21:13:23,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:23" (1/1) ... [2019-08-17 21:13:23,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:23" (1/1) ... [2019-08-17 21:13:23,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:23" (1/1) ... [2019-08-17 21:13:23,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:13:23,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:13:23,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:13:23,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:13:23,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:23" (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 21:13:23,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:13:23,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:13:23,984 INFO L138 BoogieDeclarations]: Found implementation of procedure avg [2019-08-17 21:13:23,984 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:13:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:13:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:13:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure avg [2019-08-17 21:13:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:13:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:13:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:13:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:13:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:13:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:13:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:13:24,313 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:13:24,313 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-17 21:13:24,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:24 BoogieIcfgContainer [2019-08-17 21:13:24,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:13:24,317 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:13:24,317 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:13:24,318 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:13:24,320 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:24" (1/1) ... [2019-08-17 21:13:24,336 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:13:24,338 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:13:24,345 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:13:24,353 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:13:24,355 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:13:24,439 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 21:13:24,440 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:24,456 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:24,457 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:24,458 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:13:24,469 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:13:24,592 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 21:13:24,592 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:24,607 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:24,609 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 21:13:24,609 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28 [2019-08-17 21:13:24,664 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:24,668 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:24,669 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:24,670 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:24,721 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:24,744 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 21:13:24,745 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:24,764 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:24,782 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 21:13:24,783 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:24,811 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:24,832 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 21:13:24,834 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:24,870 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:24,892 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 21:13:24,893 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:24,913 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:24,937 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 72 treesize of output 62 [2019-08-17 21:13:24,938 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:24,960 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:24,969 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 21:13:24,970 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:25,368 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-08-17 21:13:25,368 INFO L567 ElimStorePlain]: treesize reduction 59, result has 78.1 percent of original size [2019-08-17 21:13:25,372 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 21:13:25,373 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:390, output treesize:211 [2019-08-17 21:13:25,378 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,378 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,379 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,380 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,381 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,383 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,383 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,384 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,385 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,386 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,443 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,444 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,448 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,451 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,452 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,457 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,458 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,460 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,462 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,463 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,493 INFO L341 Elim1Store]: treesize reduction 31, result has 18.4 percent of original size [2019-08-17 21:13:25,493 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 21:13:25,494 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:25,504 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:25,504 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:25,505 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:18 [2019-08-17 21:13:25,507 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,508 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,508 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,510 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,515 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,516 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,516 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,517 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,518 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,519 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,585 INFO L341 Elim1Store]: treesize reduction 52, result has 45.8 percent of original size [2019-08-17 21:13:25,585 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 32 treesize of output 58 [2019-08-17 21:13:25,587 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:25,612 INFO L567 ElimStorePlain]: treesize reduction 42, result has 43.2 percent of original size [2019-08-17 21:13:25,612 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:25,612 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:46, output treesize:32 [2019-08-17 21:13:25,653 INFO L341 Elim1Store]: treesize reduction 130, result has 16.1 percent of original size [2019-08-17 21:13:25,653 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 39 [2019-08-17 21:13:25,654 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:25,674 INFO L567 ElimStorePlain]: treesize reduction 3, result has 91.4 percent of original size [2019-08-17 21:13:25,675 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:25,675 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:32 [2019-08-17 21:13:25,680 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,691 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:25,694 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:25,695 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:25,702 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 61 treesize of output 55 [2019-08-17 21:13:25,703 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:25,709 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:25,711 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:25,713 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:25,717 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 61 treesize of output 55 [2019-08-17 21:13:25,718 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:25,776 INFO L567 ElimStorePlain]: treesize reduction 6, result has 92.0 percent of original size [2019-08-17 21:13:25,777 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:13:25,777 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:123, output treesize:69 [2019-08-17 21:13:25,797 INFO L341 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2019-08-17 21:13:25,798 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 21:13:25,798 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:25,805 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:25,806 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:25,806 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2019-08-17 21:13:25,813 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 21:13:25,813 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:25,819 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:25,820 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:25,820 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2019-08-17 21:13:25,822 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,823 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,823 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,825 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,826 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,827 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,827 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,828 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,829 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,830 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:25,837 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:13:25,838 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:13:25,840 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 123#(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 21:13:25,851 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:13:25,851 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:13:25,855 INFO L168 Benchmark]: Toolchain (without parser) took 2371.48 ms. Allocated memory was 127.9 MB in the beginning and 185.6 MB in the end (delta: 57.7 MB). Free memory was 99.9 MB in the beginning and 85.0 MB in the end (delta: 14.9 MB). Peak memory consumption was 72.6 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:25,856 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 107.5 MB. Free memory was 75.0 MB in the beginning and 74.9 MB in the end (delta: 108.0 kB). Peak memory consumption was 108.0 kB. Max. memory is 7.1 GB. [2019-08-17 21:13:25,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.45 ms. Allocated memory is still 127.9 MB. Free memory was 99.7 MB in the beginning and 89.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:25,861 INFO L168 Benchmark]: Boogie Preprocessor took 127.65 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 89.7 MB in the beginning and 137.4 MB in the end (delta: -47.7 MB). Peak memory consumption was 705.1 kB. Max. memory is 7.1 GB. [2019-08-17 21:13:25,864 INFO L168 Benchmark]: RCFGBuilder took 391.86 ms. Allocated memory is still 155.2 MB. Free memory was 137.4 MB in the beginning and 122.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:25,865 INFO L168 Benchmark]: Symbolic Interpretation took 1534.77 ms. Allocated memory was 155.2 MB in the beginning and 185.6 MB in the end (delta: 30.4 MB). Free memory was 122.2 MB in the beginning and 85.0 MB in the end (delta: 37.2 MB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:25,882 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 123#(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 0.59 ms. Allocated memory is still 107.5 MB. Free memory was 75.0 MB in the beginning and 74.9 MB in the end (delta: 108.0 kB). Peak memory consumption was 108.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 310.45 ms. Allocated memory is still 127.9 MB. Free memory was 99.7 MB in the beginning and 89.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.65 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 89.7 MB in the beginning and 137.4 MB in the end (delta: -47.7 MB). Peak memory consumption was 705.1 kB. Max. memory is 7.1 GB. * RCFGBuilder took 391.86 ms. Allocated memory is still 155.2 MB. Free memory was 137.4 MB in the beginning and 122.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1534.77 ms. Allocated memory was 155.2 MB in the beginning and 185.6 MB in the end (delta: 30.4 MB). Free memory was 122.2 MB in the beginning and 85.0 MB in the end (delta: 37.2 MB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...