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/zero_sum1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-30 01:07:33,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-30 01:07:33,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-30 01:07:33,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-30 01:07:33,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-30 01:07:33,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-30 01:07:33,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-30 01:07:33,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-30 01:07:33,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-30 01:07:33,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-30 01:07:33,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-30 01:07:33,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-30 01:07:33,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-30 01:07:33,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-30 01:07:33,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-30 01:07:33,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-30 01:07:33,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-30 01:07:33,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-30 01:07:33,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-30 01:07:33,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-30 01:07:33,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-30 01:07:33,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-30 01:07:33,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-30 01:07:33,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-30 01:07:33,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-30 01:07:33,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-30 01:07:33,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-30 01:07:33,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-30 01:07:33,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-30 01:07:33,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-30 01:07:33,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-30 01:07:33,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-30 01:07:33,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-30 01:07:33,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-30 01:07:33,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-30 01:07:33,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-30 01:07:33,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-30 01:07:33,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-30 01:07:33,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-30 01:07:33,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-30 01:07:33,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-30 01:07:33,276 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 [2019-08-30 01:07:33,311 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-30 01:07:33,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-30 01:07:33,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-30 01:07:33,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-30 01:07:33,312 INFO L138 SettingsManager]: * Use SBE=true [2019-08-30 01:07:33,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-30 01:07:33,313 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-30 01:07:33,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-30 01:07:33,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-30 01:07:33,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-30 01:07:33,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-30 01:07:33,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-30 01:07:33,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-30 01:07:33,318 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-30 01:07:33,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-30 01:07:33,319 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-30 01:07:33,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-30 01:07:33,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-30 01:07:33,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-30 01:07:33,320 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-30 01:07:33,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-30 01:07:33,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-30 01:07:33,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-30 01:07:33,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-30 01:07:33,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-30 01:07:33,321 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-30 01:07:33,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-30 01:07:33,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-30 01:07:33,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-30 01:07:33,365 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-30 01:07:33,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-30 01:07:33,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-30 01:07:33,386 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-30 01:07:33,389 INFO L275 PluginConnector]: CDTParser initialized [2019-08-30 01:07:33,389 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/zero_sum1.c [2019-08-30 01:07:33,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c965d50c3/47d5ab08ae2a482b8e9c31583820c83d/FLAG3e7642ffa [2019-08-30 01:07:33,910 INFO L306 CDTParser]: Found 1 translation units. [2019-08-30 01:07:33,911 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/zero_sum1.c [2019-08-30 01:07:33,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c965d50c3/47d5ab08ae2a482b8e9c31583820c83d/FLAG3e7642ffa [2019-08-30 01:07:34,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c965d50c3/47d5ab08ae2a482b8e9c31583820c83d [2019-08-30 01:07:34,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-30 01:07:34,343 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-30 01:07:34,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-30 01:07:34,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-30 01:07:34,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-30 01:07:34,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:07:34" (1/1) ... [2019-08-30 01:07:34,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@384ceee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:07:34, skipping insertion in model container [2019-08-30 01:07:34,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:07:34" (1/1) ... [2019-08-30 01:07:34,358 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-30 01:07:34,373 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-30 01:07:34,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-30 01:07:34,557 INFO L188 MainTranslator]: Completed pre-run [2019-08-30 01:07:34,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-30 01:07:34,676 INFO L192 MainTranslator]: Completed translation [2019-08-30 01:07:34,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:07:34 WrapperNode [2019-08-30 01:07:34,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-30 01:07:34,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-30 01:07:34,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-30 01:07:34,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-30 01:07:34,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:07:34" (1/1) ... [2019-08-30 01:07:34,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:07:34" (1/1) ... [2019-08-30 01:07:34,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:07:34" (1/1) ... [2019-08-30 01:07:34,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:07:34" (1/1) ... [2019-08-30 01:07:34,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:07:34" (1/1) ... [2019-08-30 01:07:34,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:07:34" (1/1) ... [2019-08-30 01:07:34,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:07:34" (1/1) ... [2019-08-30 01:07:34,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-30 01:07:34,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-30 01:07:34,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-30 01:07:34,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-30 01:07:34,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:07:34" (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 [2019-08-30 01:07:34,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-30 01:07:34,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-30 01:07:34,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-30 01:07:34,773 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-30 01:07:34,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-30 01:07:34,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-30 01:07:34,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-30 01:07:34,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2019-08-30 01:07:34,773 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-30 01:07:34,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-30 01:07:34,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-30 01:07:34,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-30 01:07:34,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-30 01:07:34,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-30 01:07:34,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-30 01:07:35,040 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-30 01:07:35,041 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-30 01:07:35,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:07:35 BoogieIcfgContainer [2019-08-30 01:07:35,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-30 01:07:35,042 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-30 01:07:35,043 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-30 01:07:35,043 INFO L275 PluginConnector]: Sifa initialized [2019-08-30 01:07:35,044 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:07:35" (1/1) ... [2019-08-30 01:07:35,079 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-30 01:07:35,080 INFO L169 IcfgInterpreter]: Building call graph [2019-08-30 01:07:35,087 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-30 01:07:35,093 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-30 01:07:35,095 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-30 01:07:35,189 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 [2019-08-30 01:07:35,189 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-30 01:07:35,231 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-30 01:07:35,232 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-30 01:07:35,232 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2019-08-30 01:07:35,249 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-08-30 01:07:35,386 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 [2019-08-30 01:07:35,387 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-30 01:07:35,399 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-30 01:07:35,401 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-30 01:07:35,401 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28