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_two_index_05.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:13:10,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:13:10,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:13:10,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:13:10,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:13:10,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:13:10,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:13:10,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:13:10,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:13:10,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:13:10,900 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:13:10,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:13:10,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:13:10,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:13:10,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:13:10,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:13:10,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:13:10,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:13:10,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:13:10,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:13:10,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:13:10,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:13:10,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:13:10,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:13:10,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:13:10,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:13:10,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:13:10,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:13:10,946 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 21:13:10,970 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:13:10,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:13:10,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:13:10,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:13:10,973 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:13:10,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:13:10,974 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:13:10,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:13:10,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:13:10,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:13:10,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:13:10,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:13:10,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:13:10,977 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:13:10,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:13:10,977 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:13:10,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:13:10,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:13:10,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:13:10,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:13:10,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:13:10,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:13:10,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:13:10,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:13:10,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:13:10,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:13:10,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:13:10,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:13:10,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:13:11,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:13:11,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:13:11,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:13:11,033 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:13:11,033 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:13:11,034 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_two_index_05.i [2019-08-17 21:13:11,122 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf117151b/b3b4ecdc850e40e6854e8982c607618b/FLAGf26e67c24 [2019-08-17 21:13:11,595 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:13:11,596 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_two_index_05.i [2019-08-17 21:13:11,603 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf117151b/b3b4ecdc850e40e6854e8982c607618b/FLAGf26e67c24 [2019-08-17 21:13:11,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf117151b/b3b4ecdc850e40e6854e8982c607618b [2019-08-17 21:13:11,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:13:11,950 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:13:11,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:11,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:13:11,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:13:11,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:11" (1/1) ... [2019-08-17 21:13:11,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cfc3109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:11, skipping insertion in model container [2019-08-17 21:13:11,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:11" (1/1) ... [2019-08-17 21:13:11,965 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:13:11,981 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:13:12,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:12,132 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:13:12,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:12,170 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:13:12,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12 WrapperNode [2019-08-17 21:13:12,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:12,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:13:12,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:13:12,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:13:12,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:13:12,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:13:12,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:13:12,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:13:12,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (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 21:13:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:13:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:13:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-17 21:13:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:13:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:13:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-17 21:13:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:13:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:13:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:13:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:13:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:13:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:13:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:13:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:13:12,567 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:13:12,567 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-17 21:13:12,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:12 BoogieIcfgContainer [2019-08-17 21:13:12,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:13:12,570 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:13:12,570 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:13:12,570 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:13:12,571 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,592 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:13:12,595 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:13:12,610 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:13:12,623 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:13:12,625 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:13:12,773 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 21:13:12,774 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:12,801 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:12,802 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:12,802 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:13:12,813 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:13:12,869 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:12,910 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 21:13:12,911 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:12,925 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:12,927 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 21:13:12,928 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:30 [2019-08-17 21:13:12,984 INFO L341 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2019-08-17 21:13:12,986 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 25 [2019-08-17 21:13:12,986 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,009 INFO L567 ElimStorePlain]: treesize reduction 3, result has 89.3 percent of original size [2019-08-17 21:13:13,010 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,011 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:25 [2019-08-17 21:13:13,025 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:13,047 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:13,049 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:13,205 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-08-17 21:13:13,206 INFO L341 Elim1Store]: treesize reduction 49, result has 70.7 percent of original size [2019-08-17 21:13:13,207 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 55 treesize of output 153 [2019-08-17 21:13:13,210 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,241 INFO L341 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2019-08-17 21:13:13,242 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 34 treesize of output 33 [2019-08-17 21:13:13,243 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,325 INFO L567 ElimStorePlain]: treesize reduction 86, result has 52.2 percent of original size [2019-08-17 21:13:13,326 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:13:13,326 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:90, output treesize:94 [2019-08-17 21:13:13,359 INFO L341 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2019-08-17 21:13:13,360 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 25 [2019-08-17 21:13:13,361 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,368 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:13,368 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,369 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2019-08-17 21:13:13,375 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:13,380 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:13,395 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:13,403 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:13,445 INFO L341 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2019-08-17 21:13:13,445 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 25 [2019-08-17 21:13:13,447 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,462 INFO L567 ElimStorePlain]: treesize reduction 3, result has 89.3 percent of original size [2019-08-17 21:13:13,462 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,463 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:25 [2019-08-17 21:13:13,470 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:13,480 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:13,483 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:13,601 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-08-17 21:13:13,602 INFO L341 Elim1Store]: treesize reduction 49, result has 70.7 percent of original size [2019-08-17 21:13:13,603 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 55 treesize of output 153 [2019-08-17 21:13:13,605 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,629 INFO L341 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2019-08-17 21:13:13,630 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 34 treesize of output 33 [2019-08-17 21:13:13,631 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,711 INFO L567 ElimStorePlain]: treesize reduction 86, result has 52.2 percent of original size [2019-08-17 21:13:13,719 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:13:13,722 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:90, output treesize:94 [2019-08-17 21:13:13,755 INFO L341 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2019-08-17 21:13:13,756 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 25 [2019-08-17 21:13:13,757 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,764 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:13,764 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,765 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2019-08-17 21:13:13,775 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 41 [2019-08-17 21:13:13,778 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:13:13,778 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:13:13,781 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 120#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((|v_main_~#b~0.base_BEFORE_CALL_1| Int) (v_prenex_4 Int) (v_prenex_5 Int) (v_prenex_2 Int) (v_main_~j~0_BEFORE_CALL_1 Int) (v_prenex_3 Int) (|v_main_~#a~0.offset_BEFORE_CALL_1| Int) (|v_main_~#b~0.offset_BEFORE_CALL_1| Int) (v_prenex_1 Int) (|v_main_~#a~0.base_BEFORE_CALL_1| Int)) (or (and (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| |v_main_~#a~0.base_BEFORE_CALL_1|) (+ (* 4 v_main_~j~0_BEFORE_CALL_1) |v_main_~#a~0.offset_BEFORE_CALL_1|)) (select (select |#memory_int| |v_main_~#b~0.base_BEFORE_CALL_1|) (+ (* 20 v_main_~j~0_BEFORE_CALL_1) |v_main_~#b~0.offset_BEFORE_CALL_1| 4))))) (and (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| v_prenex_5) (+ (* 4 v_prenex_2) v_prenex_3)) (select (select |#memory_int| v_prenex_1) (+ (* 20 v_prenex_2) v_prenex_4 4))))))) [2019-08-17 21:13:13,796 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:13:13,796 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:13:13,803 INFO L168 Benchmark]: Toolchain (without parser) took 1851.61 ms. Allocated memory was 131.1 MB in the beginning and 218.6 MB in the end (delta: 87.6 MB). Free memory was 85.6 MB in the beginning and 185.8 MB in the end (delta: -100.2 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:13,804 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.1 MB. Free memory is still 103.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-17 21:13:13,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.82 ms. Allocated memory is still 131.1 MB. Free memory was 85.6 MB in the beginning and 75.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:13,806 INFO L168 Benchmark]: Boogie Preprocessor took 120.61 ms. Allocated memory was 131.1 MB in the beginning and 197.7 MB in the end (delta: 66.6 MB). Free memory was 75.6 MB in the beginning and 173.4 MB in the end (delta: -97.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:13,812 INFO L168 Benchmark]: RCFGBuilder took 276.64 ms. Allocated memory is still 197.7 MB. Free memory was 173.4 MB in the beginning and 159.7 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:13,813 INFO L168 Benchmark]: Symbolic Interpretation took 1229.94 ms. Allocated memory was 197.7 MB in the beginning and 218.6 MB in the end (delta: 21.0 MB). Free memory was 159.7 MB in the beginning and 185.8 MB in the end (delta: -26.1 MB). Peak memory consumption was 91.4 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:13,824 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 120#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((|v_main_~#b~0.base_BEFORE_CALL_1| Int) (v_prenex_4 Int) (v_prenex_5 Int) (v_prenex_2 Int) (v_main_~j~0_BEFORE_CALL_1 Int) (v_prenex_3 Int) (|v_main_~#a~0.offset_BEFORE_CALL_1| Int) (|v_main_~#b~0.offset_BEFORE_CALL_1| Int) (v_prenex_1 Int) (|v_main_~#a~0.base_BEFORE_CALL_1| Int)) (or (and (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| |v_main_~#a~0.base_BEFORE_CALL_1|) (+ (* 4 v_main_~j~0_BEFORE_CALL_1) |v_main_~#a~0.offset_BEFORE_CALL_1|)) (select (select |#memory_int| |v_main_~#b~0.base_BEFORE_CALL_1|) (+ (* 20 v_main_~j~0_BEFORE_CALL_1) |v_main_~#b~0.offset_BEFORE_CALL_1| 4))))) (and (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| v_prenex_5) (+ (* 4 v_prenex_2) v_prenex_3)) (select (select |#memory_int| v_prenex_1) (+ (* 20 v_prenex_2) v_prenex_4 4))))))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 131.1 MB. Free memory is still 103.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 220.82 ms. Allocated memory is still 131.1 MB. Free memory was 85.6 MB in the beginning and 75.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.61 ms. Allocated memory was 131.1 MB in the beginning and 197.7 MB in the end (delta: 66.6 MB). Free memory was 75.6 MB in the beginning and 173.4 MB in the end (delta: -97.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 276.64 ms. Allocated memory is still 197.7 MB. Free memory was 173.4 MB in the beginning and 159.7 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1229.94 ms. Allocated memory was 197.7 MB in the beginning and 218.6 MB in the end (delta: 21.0 MB). Free memory was 159.7 MB in the beginning and 185.8 MB in the end (delta: -26.1 MB). Peak memory consumption was 91.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...