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-examples/standard_copyInitSum2_ground-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:12:46,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:12:46,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:12:46,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:12:46,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:12:46,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:12:46,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:12:46,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:12:46,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:12:46,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:12:46,896 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:12:46,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:12:46,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:12:46,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:12:46,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:12:46,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:12:46,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:12:46,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:12:46,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:12:46,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:12:46,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:12:46,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:12:46,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:12:46,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:12:46,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:12:46,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-17 21:12:46,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-17 21:12:46,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-17 21:12:46,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-17 21:12:46,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-17 21:12:46,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-17 21:12:46,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-17 21:12:46,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-17 21:12:46,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:12:46,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:12:46,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:12:46,930 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 21:12:46,957 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:12:46,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:12:46,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:12:46,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:12:46,960 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:12:46,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:12:46,961 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:12:46,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:12:46,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:12:46,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:12:46,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:12:46,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:12:46,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:12:46,964 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:12:46,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:12:46,965 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:12:46,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:12:46,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:12:46,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:12:46,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:12:46,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:12:46,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:12:46,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:12:46,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:12:46,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:12:46,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:12:46,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:12:46,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:12:46,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:12:47,022 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:12:47,042 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:12:47,045 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:12:47,047 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:12:47,049 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:12:47,050 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_copyInitSum2_ground-1.i [2019-08-17 21:12:47,129 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eedbcf43/313880d4db3646e4bf3708e2a2cc83fb/FLAG634873945 [2019-08-17 21:12:47,553 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:12:47,554 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_copyInitSum2_ground-1.i [2019-08-17 21:12:47,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eedbcf43/313880d4db3646e4bf3708e2a2cc83fb/FLAG634873945 [2019-08-17 21:12:47,963 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eedbcf43/313880d4db3646e4bf3708e2a2cc83fb [2019-08-17 21:12:47,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:12:47,978 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:12:47,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:12:47,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:12:47,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:12:47,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:12:47" (1/1) ... [2019-08-17 21:12:47,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f8a9806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:47, skipping insertion in model container [2019-08-17 21:12:47,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:12:47" (1/1) ... [2019-08-17 21:12:47,997 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:12:48,017 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:12:48,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:12:48,187 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:12:48,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:12:48,228 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:12:48,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:48 WrapperNode [2019-08-17 21:12:48,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:12:48,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:12:48,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:12:48,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:12:48,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:48" (1/1) ... [2019-08-17 21:12:48,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:48" (1/1) ... [2019-08-17 21:12:48,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:48" (1/1) ... [2019-08-17 21:12:48,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:48" (1/1) ... [2019-08-17 21:12:48,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:48" (1/1) ... [2019-08-17 21:12:48,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:48" (1/1) ... [2019-08-17 21:12:48,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:48" (1/1) ... [2019-08-17 21:12:48,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:12:48,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:12:48,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:12:48,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:12:48,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:48" (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 21:12:48,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:12:48,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:12:48,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-17 21:12:48,403 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:12:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:12:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-17 21:12:48,404 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:12:48,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:12:48,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:12:48,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:12:48,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:12:48,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:12:48,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:12:48,610 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:12:48,610 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-17 21:12:48,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:12:48 BoogieIcfgContainer [2019-08-17 21:12:48,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:12:48,613 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:12:48,613 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:12:48,613 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:12:48,614 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:12:48" (1/1) ... [2019-08-17 21:12:48,628 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:12:48,630 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:12:48,638 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:12:48,649 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:12:48,651 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:12:48,758 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 21:12:48,758 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:48,776 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:48,776 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:48,777 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:12:48,789 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:12:48,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:48,884 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 16 treesize of output 12 [2019-08-17 21:12:48,884 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:48,893 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:48,893 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:48,894 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2019-08-17 21:12:48,932 INFO L341 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2019-08-17 21:12:48,932 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 23 treesize of output 23 [2019-08-17 21:12:48,933 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:48,961 INFO L567 ElimStorePlain]: treesize reduction 3, result has 88.5 percent of original size [2019-08-17 21:12:48,962 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:48,962 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:23 [2019-08-17 21:12:49,146 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2019-08-17 21:12:49,147 INFO L341 Elim1Store]: treesize reduction 56, result has 66.3 percent of original size [2019-08-17 21:12:49,148 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 6 case distinctions, treesize of input 35 treesize of output 124 [2019-08-17 21:12:49,151 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:49,152 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:49,153 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:49,157 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:49,263 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 25 [2019-08-17 21:12:49,263 INFO L567 ElimStorePlain]: treesize reduction 188, result has 19.7 percent of original size [2019-08-17 21:12:49,264 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:49,265 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:46 [2019-08-17 21:12:49,270 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:49,271 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:49,305 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:49,308 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:49,309 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:49,314 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:49,316 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:49,317 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:49,625 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-08-17 21:12:49,625 INFO L341 Elim1Store]: treesize reduction 44, result has 83.0 percent of original size [2019-08-17 21:12:49,626 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 64 treesize of output 259 [2019-08-17 21:12:49,637 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:49,654 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:49,655 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:49,656 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:12:49,658 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:49,667 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 64 treesize of output 58 [2019-08-17 21:12:49,670 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:49,688 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:49,690 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:49,819 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2019-08-17 21:12:49,819 INFO L341 Elim1Store]: treesize reduction 44, result has 72.2 percent of original size [2019-08-17 21:12:49,820 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 148 [2019-08-17 21:12:49,824 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:49,973 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 43 [2019-08-17 21:12:49,973 INFO L567 ElimStorePlain]: treesize reduction 277, result has 40.3 percent of original size [2019-08-17 21:12:49,974 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-08-17 21:12:49,974 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:182, output treesize:187 [2019-08-17 21:12:50,002 INFO L341 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2019-08-17 21:12:50,003 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 23 treesize of output 23 [2019-08-17 21:12:50,003 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:50,009 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:50,009 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:50,010 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2019-08-17 21:12:50,045 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:50,046 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 25 treesize of output 71 [2019-08-17 21:12:50,048 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:50,073 INFO L567 ElimStorePlain]: treesize reduction 55, result has 32.1 percent of original size [2019-08-17 21:12:50,074 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:50,075 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:26 [2019-08-17 21:12:50,252 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2019-08-17 21:12:50,253 INFO L341 Elim1Store]: treesize reduction 12, result has 93.0 percent of original size [2019-08-17 21:12:50,254 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 6 case distinctions, treesize of input 37 treesize of output 176 [2019-08-17 21:12:50,256 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:50,258 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:50,258 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:50,263 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:50,346 INFO L567 ElimStorePlain]: treesize reduction 231, result has 22.0 percent of original size [2019-08-17 21:12:50,347 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:50,347 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:65 [2019-08-17 21:12:50,354 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:50,355 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:50,356 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:50,358 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:50,387 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:50,388 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:50,395 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:50,461 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:50,462 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 4 case distinctions, treesize of input 60 treesize of output 203 [2019-08-17 21:12:50,464 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:50,476 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:50,477 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:12:50,482 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:50,483 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:12:50,487 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 45 [2019-08-17 21:12:50,488 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:50,499 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:50,501 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:50,503 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:50,505 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:50,506 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:50,508 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:12:50,519 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:50,524 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 65 [2019-08-17 21:12:50,525 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:50,536 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:50,537 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:50,539 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:50,540 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:50,541 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:50,543 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:50,559 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:50,734 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-17 21:12:50,734 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:50,735 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 316 [2019-08-17 21:12:50,740 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:50,748 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-17 21:12:50,749 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:50,974 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 52 [2019-08-17 21:12:50,975 INFO L567 ElimStorePlain]: treesize reduction 453, result has 36.2 percent of original size [2019-08-17 21:12:50,975 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2019-08-17 21:12:50,976 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 1 variables, input treesize:322, output treesize:257 [2019-08-17 21:12:51,009 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:51,011 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 25 treesize of output 71 [2019-08-17 21:12:51,012 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:51,040 INFO L567 ElimStorePlain]: treesize reduction 36, result has 53.8 percent of original size [2019-08-17 21:12:51,041 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:51,041 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:42 [2019-08-17 21:12:51,049 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:51,060 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:51,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:51,073 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-17 21:12:51,074 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:12:51,074 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:12:51,077 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 150#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-17 21:12:51,086 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:12:51,086 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:12:51,088 INFO L168 Benchmark]: Toolchain (without parser) took 3109.78 ms. Allocated memory was 136.3 MB in the beginning and 276.8 MB in the end (delta: 140.5 MB). Free memory was 83.8 MB in the beginning and 225.4 MB in the end (delta: -141.6 MB). Peak memory consumption was 98.0 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:51,089 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 136.3 MB. Free memory was 102.5 MB in the beginning and 102.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:12:51,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.21 ms. Allocated memory is still 136.3 MB. Free memory was 83.6 MB in the beginning and 73.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:51,091 INFO L168 Benchmark]: Boogie Preprocessor took 124.04 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 73.8 MB in the beginning and 173.7 MB in the end (delta: -100.0 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:51,092 INFO L168 Benchmark]: RCFGBuilder took 258.38 ms. Allocated memory is still 197.1 MB. Free memory was 173.7 MB in the beginning and 158.8 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:51,093 INFO L168 Benchmark]: Symbolic Interpretation took 2473.99 ms. Allocated memory was 197.1 MB in the beginning and 276.8 MB in the end (delta: 79.7 MB). Free memory was 158.8 MB in the beginning and 225.4 MB in the end (delta: -66.6 MB). Peak memory consumption was 112.1 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:51,097 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 2]: 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 150#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). 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 136.3 MB. Free memory was 102.5 MB in the beginning and 102.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 248.21 ms. Allocated memory is still 136.3 MB. Free memory was 83.6 MB in the beginning and 73.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.04 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 73.8 MB in the beginning and 173.7 MB in the end (delta: -100.0 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 258.38 ms. Allocated memory is still 197.1 MB. Free memory was 173.7 MB in the beginning and 158.8 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2473.99 ms. Allocated memory was 197.1 MB in the beginning and 276.8 MB in the end (delta: 79.7 MB). Free memory was 158.8 MB in the beginning and 225.4 MB in the end (delta: -66.6 MB). Peak memory consumption was 112.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...