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/array-crafted/bAnd2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:14:01,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:14:01,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:14:01,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:14:01,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:14:01,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:14:01,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:14:01,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:14:01,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:14:01,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:14:01,983 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:14:01,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:14:01,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:14:01,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:14:01,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:14:01,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:14:01,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:14:01,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:14:01,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:14:01,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:14:01,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:14:01,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:14:01,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:14:01,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:14:02,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:14:02,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:14:02,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:14:02,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:14:02,010 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 21:14:02,027 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:14:02,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:14:02,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:14:02,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:14:02,029 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:14:02,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:14:02,030 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:14:02,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:14:02,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:14:02,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:14:02,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:14:02,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:14:02,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:14:02,035 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:14:02,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:14:02,036 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:14:02,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:14:02,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:14:02,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:14:02,036 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:14:02,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:14:02,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:14:02,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:14:02,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:14:02,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:14:02,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:14:02,038 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:14:02,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:14:02,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:14:02,082 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:14:02,101 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:14:02,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:14:02,106 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:14:02,107 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:14:02,107 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/bAnd2.i [2019-08-17 21:14:02,179 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/723a3991d/6bde3990dc7d45a9a2569ee185a7c1f9/FLAG31c6dcf5a [2019-08-17 21:14:02,583 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:14:02,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/bAnd2.i [2019-08-17 21:14:02,592 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/723a3991d/6bde3990dc7d45a9a2569ee185a7c1f9/FLAG31c6dcf5a [2019-08-17 21:14:02,991 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/723a3991d/6bde3990dc7d45a9a2569ee185a7c1f9 [2019-08-17 21:14:03,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:14:03,006 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:14:03,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:14:03,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:14:03,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:14:03,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:14:02" (1/1) ... [2019-08-17 21:14:03,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb06d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:03, skipping insertion in model container [2019-08-17 21:14:03,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:14:02" (1/1) ... [2019-08-17 21:14:03,023 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:14:03,047 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:14:03,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:14:03,257 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:14:03,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:14:03,384 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:14:03,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:03 WrapperNode [2019-08-17 21:14:03,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:14:03,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:14:03,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:14:03,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:14:03,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:03" (1/1) ... [2019-08-17 21:14:03,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:03" (1/1) ... [2019-08-17 21:14:03,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:03" (1/1) ... [2019-08-17 21:14:03,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:03" (1/1) ... [2019-08-17 21:14:03,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:03" (1/1) ... [2019-08-17 21:14:03,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:03" (1/1) ... [2019-08-17 21:14:03,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:03" (1/1) ... [2019-08-17 21:14:03,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:14:03,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:14:03,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:14:03,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:14:03,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:03" (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 21:14:03,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:14:03,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:14:03,506 INFO L138 BoogieDeclarations]: Found implementation of procedure bAnd [2019-08-17 21:14:03,506 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:14:03,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:14:03,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:14:03,506 INFO L130 BoogieDeclarations]: Found specification of procedure bAnd [2019-08-17 21:14:03,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:14:03,507 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:14:03,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:14:03,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:14:03,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:14:03,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:14:03,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:14:03,789 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:14:03,789 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-17 21:14:03,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:14:03 BoogieIcfgContainer [2019-08-17 21:14:03,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:14:03,792 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:14:03,792 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:14:03,793 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:14:03,794 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:14:03" (1/1) ... [2019-08-17 21:14:03,810 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:14:03,813 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:14:03,820 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:14:03,830 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:14:03,832 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:14:03,930 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 21:14:03,930 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:03,950 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:14:03,951 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:14:03,951 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:14:03,962 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:14:04,060 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 21:14:04,061 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:04,082 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:14:04,086 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 21:14:04,088 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28 [2019-08-17 21:14:04,171 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:04,197 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 21:14:04,198 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:04,219 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:04,228 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 21:14:04,229 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:04,357 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 32 [2019-08-17 21:14:04,358 INFO L567 ElimStorePlain]: treesize reduction 208, result has 19.1 percent of original size [2019-08-17 21:14:04,360 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-08-17 21:14:04,360 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:297, output treesize:49 [2019-08-17 21:14:04,426 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:04,427 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:14:04,432 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 68 treesize of output 63 [2019-08-17 21:14:04,433 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:04,448 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:04,449 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:14:04,455 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 21:14:04,456 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:04,474 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:04,474 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:14:04,480 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 71 treesize of output 66 [2019-08-17 21:14:04,481 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:04,502 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:04,503 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:14:04,506 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 21:14:04,507 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:04,790 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2019-08-17 21:14:04,791 INFO L567 ElimStorePlain]: treesize reduction 48, result has 80.2 percent of original size [2019-08-17 21:14:04,794 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 21:14:04,795 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 9 variables, input treesize:287, output treesize:195 [2019-08-17 21:14:04,809 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:14:04,846 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:04,849 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:04,852 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:04,864 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 21:14:04,865 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:04,883 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:04,884 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:14:04,889 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 21:14:04,890 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:04,918 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:04,919 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:14:04,924 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 21:14:04,925 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:04,940 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:04,941 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:14:04,945 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 68 treesize of output 63 [2019-08-17 21:14:04,947 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:04,961 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:04,962 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:14:04,965 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 71 treesize of output 66 [2019-08-17 21:14:04,966 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:04,982 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:04,983 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:04,987 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:04,999 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 21:14:05,000 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:05,018 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:05,021 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:05,024 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:05,035 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 73 treesize of output 67 [2019-08-17 21:14:05,036 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:05,051 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:05,053 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:05,055 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:05,057 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 78 treesize of output 72 [2019-08-17 21:14:05,058 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:05,616 WARN L188 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2019-08-17 21:14:05,617 INFO L567 ElimStorePlain]: treesize reduction 60, result has 86.9 percent of original size [2019-08-17 21:14:05,623 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 21:14:05,624 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 17 variables, input treesize:597, output treesize:397 [2019-08-17 21:14:05,700 INFO L341 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2019-08-17 21:14:05,701 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 21:14:05,702 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:05,707 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:14:05,708 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:14:05,708 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2019-08-17 21:14:05,719 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 21:14:05,720 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:05,724 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:14:05,725 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:14:05,725 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2019-08-17 21:14:05,735 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:14:05,735 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:14:05,740 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 108#(and (exists ((v_bAnd_~res~0_BEFORE_RETURN_3 Int) (v_prenex_18 Int)) (or (and (= main_~ret5~0 (+ (mod v_bAnd_~res~0_BEFORE_RETURN_3 4294967296) (- 4294967296))) (not (< main_~i~2 999)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (= (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 3996)) main_~temp~0) (not (<= (mod v_bAnd_~res~0_BEFORE_RETURN_3 4294967296) 2147483647))) (and (<= (mod v_prenex_18 4294967296) 2147483647) (not (< main_~i~2 999)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (= main_~ret5~0 (mod v_prenex_18 4294967296)) (= (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 3996)) main_~temp~0)))) (or (not (= main_~ret~0 main_~ret2~0)) (not (= main_~ret~0 main_~ret5~0)))) [2019-08-17 21:14:05,752 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:14:05,753 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:14:05,756 INFO L168 Benchmark]: Toolchain (without parser) took 2749.13 ms. Allocated memory was 130.5 MB in the beginning and 218.6 MB in the end (delta: 88.1 MB). Free memory was 86.2 MB in the beginning and 116.1 MB in the end (delta: -29.9 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:05,759 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:14:05,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.45 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 86.0 MB in the beginning and 176.0 MB in the end (delta: -90.0 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:05,766 INFO L168 Benchmark]: Boogie Preprocessor took 59.05 ms. Allocated memory is still 198.7 MB. Free memory was 176.0 MB in the beginning and 173.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:05,768 INFO L168 Benchmark]: RCFGBuilder took 346.25 ms. Allocated memory is still 198.7 MB. Free memory was 173.1 MB in the beginning and 157.5 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:05,768 INFO L168 Benchmark]: Symbolic Interpretation took 1960.83 ms. Allocated memory was 198.7 MB in the beginning and 218.6 MB in the end (delta: 19.9 MB). Free memory was 157.5 MB in the beginning and 116.1 MB in the end (delta: 41.4 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:05,775 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 42]: 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 108#(and (exists ((v_bAnd_~res~0_BEFORE_RETURN_3 Int) (v_prenex_18 Int)) (or (and (= main_~ret5~0 (+ (mod v_bAnd_~res~0_BEFORE_RETURN_3 4294967296) (- 4294967296))) (not (< main_~i~2 999)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (= (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 3996)) main_~temp~0) (not (<= (mod v_bAnd_~res~0_BEFORE_RETURN_3 4294967296) 2147483647))) (and (<= (mod v_prenex_18 4294967296) 2147483647) (not (< main_~i~2 999)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (= main_~ret5~0 (mod v_prenex_18 4294967296)) (= (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 3996)) main_~temp~0)))) (or (not (= main_~ret~0 main_~ret2~0)) (not (= main_~ret~0 main_~ret5~0)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 378.45 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 86.0 MB in the beginning and 176.0 MB in the end (delta: -90.0 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.05 ms. Allocated memory is still 198.7 MB. Free memory was 176.0 MB in the beginning and 173.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 346.25 ms. Allocated memory is still 198.7 MB. Free memory was 173.1 MB in the beginning and 157.5 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1960.83 ms. Allocated memory was 198.7 MB in the beginning and 218.6 MB in the end (delta: 19.9 MB). Free memory was 157.5 MB in the beginning and 116.1 MB in the end (delta: 41.4 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...