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/loop-acceleration/array_4.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 22:01:21,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 22:01:21,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 22:01:21,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 22:01:21,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 22:01:21,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 22:01:21,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 22:01:21,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 22:01:21,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 22:01:21,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 22:01:21,038 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 22:01:21,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 22:01:21,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 22:01:21,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 22:01:21,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 22:01:21,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 22:01:21,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 22:01:21,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 22:01:21,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 22:01:21,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 22:01:21,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 22:01:21,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 22:01:21,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 22:01:21,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 22:01:21,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 22:01:21,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 22:01:21,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 22:01:21,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 22:01:21,076 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 [2019-08-22 22:01:21,099 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 22:01:21,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 22:01:21,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 22:01:21,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 22:01:21,102 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 22:01:21,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 22:01:21,102 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 22:01:21,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 22:01:21,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 22:01:21,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 22:01:21,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 22:01:21,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 22:01:21,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 22:01:21,105 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 22:01:21,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 22:01:21,105 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 22:01:21,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 22:01:21,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 22:01:21,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 22:01:21,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 22:01:21,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 22:01:21,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 22:01:21,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 22:01:21,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 22:01:21,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 22:01:21,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 22:01:21,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 22:01:21,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 22:01:21,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 22:01:21,143 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 22:01:21,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 22:01:21,161 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 22:01:21,163 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 22:01:21,163 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 22:01:21,164 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/array_4.i [2019-08-22 22:01:21,226 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7402b3b89/8601e6b4972a472db496cb58b6dab98c/FLAG4d5f1ff1c [2019-08-22 22:01:21,671 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 22:01:21,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/array_4.i [2019-08-22 22:01:21,680 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7402b3b89/8601e6b4972a472db496cb58b6dab98c/FLAG4d5f1ff1c [2019-08-22 22:01:22,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7402b3b89/8601e6b4972a472db496cb58b6dab98c [2019-08-22 22:01:22,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 22:01:22,084 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 22:01:22,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 22:01:22,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 22:01:22,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 22:01:22,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:01:22" (1/1) ... [2019-08-22 22:01:22,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec8780b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:22, skipping insertion in model container [2019-08-22 22:01:22,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:01:22" (1/1) ... [2019-08-22 22:01:22,101 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 22:01:22,118 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 22:01:22,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:01:22,318 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 22:01:22,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:01:22,354 INFO L192 MainTranslator]: Completed translation [2019-08-22 22:01:22,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:22 WrapperNode [2019-08-22 22:01:22,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 22:01:22,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 22:01:22,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 22:01:22,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 22:01:22,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:22" (1/1) ... [2019-08-22 22:01:22,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:22" (1/1) ... [2019-08-22 22:01:22,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:22" (1/1) ... [2019-08-22 22:01:22,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:22" (1/1) ... [2019-08-22 22:01:22,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:22" (1/1) ... [2019-08-22 22:01:22,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:22" (1/1) ... [2019-08-22 22:01:22,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:22" (1/1) ... [2019-08-22 22:01:22,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 22:01:22,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 22:01:22,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 22:01:22,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 22:01:22,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:22" (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 [2019-08-22 22:01:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 22:01:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 22:01:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 22:01:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 22:01:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 22:01:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-22 22:01:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 22:01:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 22:01:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 22:01:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 22:01:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 22:01:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 22:01:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 22:01:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 22:01:22,760 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 22:01:22,760 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-22 22:01:22,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:01:22 BoogieIcfgContainer [2019-08-22 22:01:22,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 22:01:22,762 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 22:01:22,763 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 22:01:22,763 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 22:01:22,764 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:01:22" (1/1) ... [2019-08-22 22:01:22,789 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 22:01:22,795 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 22:01:22,802 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 22:01:22,813 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 22:01:22,814 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 22:01:22,938 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 [2019-08-22 22:01:22,939 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 22:01:22,962 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 22:01:22,966 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 22:01:22,967 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 22:01:22,996 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 21 [2019-08-22 22:01:23,126 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 [2019-08-22 22:01:23,127 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 22:01:23,140 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 22:01:23,141 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 22:01:23,142 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28 [2019-08-22 22:01:23,152 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:01:23,153 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:01:23,166 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 [2019-08-22 22:01:23,166 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 22:01:23,183 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 22:01:23,183 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 22:01:23,184 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13