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_sum2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 19:15:44,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 19:15:44,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 19:15:44,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 19:15:44,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 19:15:44,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 19:15:44,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 19:15:44,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 19:15:44,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 19:15:44,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 19:15:44,623 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 19:15:44,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 19:15:44,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 19:15:44,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 19:15:44,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 19:15:44,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 19:15:44,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 19:15:44,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 19:15:44,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 19:15:44,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 19:15:44,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 19:15:44,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 19:15:44,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 19:15:44,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 19:15:44,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 19:15:44,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 19:15:44,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 19:15:44,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 19:15:44,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 19:15:44,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 19:15:44,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 19:15:44,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 19:15:44,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 19:15:44,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 19:15:44,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 19:15:44,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 19:15:44,648 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 19:15:44,663 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 19:15:44,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 19:15:44,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 19:15:44,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 19:15:44,665 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 19:15:44,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 19:15:44,665 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 19:15:44,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 19:15:44,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 19:15:44,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 19:15:44,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 19:15:44,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 19:15:44,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 19:15:44,666 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 19:15:44,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 19:15:44,667 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 19:15:44,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 19:15:44,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 19:15:44,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 19:15:44,667 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 19:15:44,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 19:15:44,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 19:15:44,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 19:15:44,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 19:15:44,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 19:15:44,669 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 19:15:44,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 19:15:44,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 19:15:44,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 19:15:44,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 19:15:44,722 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 19:15:44,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 19:15:44,726 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 19:15:44,727 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 19:15:44,727 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/zero_sum2.c [2019-08-22 19:15:44,787 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/621cb3a03/9b2690d1f2ff40a98655f0bb9eac6dfd/FLAGa6963908a [2019-08-22 19:15:45,191 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 19:15:45,192 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/zero_sum2.c [2019-08-22 19:15:45,198 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/621cb3a03/9b2690d1f2ff40a98655f0bb9eac6dfd/FLAGa6963908a [2019-08-22 19:15:45,591 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/621cb3a03/9b2690d1f2ff40a98655f0bb9eac6dfd [2019-08-22 19:15:45,599 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 19:15:45,600 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 19:15:45,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 19:15:45,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 19:15:45,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 19:15:45,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:15:45" (1/1) ... [2019-08-22 19:15:45,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243f883e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:15:45, skipping insertion in model container [2019-08-22 19:15:45,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:15:45" (1/1) ... [2019-08-22 19:15:45,620 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 19:15:45,643 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 19:15:45,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 19:15:45,852 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 19:15:45,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 19:15:45,992 INFO L192 MainTranslator]: Completed translation [2019-08-22 19:15:45,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:15:45 WrapperNode [2019-08-22 19:15:45,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 19:15:45,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 19:15:45,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 19:15:45,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 19:15:46,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:15:45" (1/1) ... [2019-08-22 19:15:46,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:15:45" (1/1) ... [2019-08-22 19:15:46,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:15:45" (1/1) ... [2019-08-22 19:15:46,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:15:45" (1/1) ... [2019-08-22 19:15:46,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:15:45" (1/1) ... [2019-08-22 19:15:46,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:15:45" (1/1) ... [2019-08-22 19:15:46,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:15:45" (1/1) ... [2019-08-22 19:15:46,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 19:15:46,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 19:15:46,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 19:15:46,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 19:15:46,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:15:45" (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 19:15:46,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 19:15:46,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 19:15:46,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 19:15:46,086 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 19:15:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 19:15:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 19:15:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 19:15:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2019-08-22 19:15:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 19:15:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 19:15:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 19:15:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 19:15:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 19:15:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 19:15:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 19:15:46,367 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 19:15:46,368 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-08-22 19:15:46,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:15:46 BoogieIcfgContainer [2019-08-22 19:15:46,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 19:15:46,370 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 19:15:46,370 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 19:15:46,370 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 19:15:46,371 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:15:46" (1/1) ... [2019-08-22 19:15:46,384 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 19:15:46,386 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 19:15:46,393 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 19:15:46,401 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 19:15:46,403 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 19:15:46,485 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 19:15:46,485 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 19:15:46,519 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 19:15:46,520 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 19:15:46,521 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2019-08-22 19:15:46,541 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 25 [2019-08-22 19:15:46,683 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 19:15:46,684 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 19:15:46,696 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 19:15:46,697 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 19:15:46,698 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28