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/sorting_selectionsort_ground-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-01cf0bf [2019-08-21 21:16:15,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-21 21:16:15,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-21 21:16:15,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-21 21:16:15,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-21 21:16:15,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-21 21:16:15,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-21 21:16:15,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-21 21:16:15,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-21 21:16:15,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-21 21:16:15,097 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-21 21:16:15,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-21 21:16:15,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-21 21:16:15,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-21 21:16:15,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-21 21:16:15,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-21 21:16:15,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-21 21:16:15,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-21 21:16:15,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-21 21:16:15,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-21 21:16:15,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-21 21:16:15,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-21 21:16:15,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-21 21:16:15,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-21 21:16:15,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-21 21:16:15,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-21 21:16:15,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-21 21:16:15,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-21 21:16:15,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-21 21:16:15,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-21 21:16:15,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-21 21:16:15,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-21 21:16:15,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-21 21:16:15,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-21 21:16:15,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-21 21:16:15,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-21 21:16:15,572 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 [2019-08-21 21:16:15,606 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-21 21:16:15,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-21 21:16:15,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-21 21:16:15,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-21 21:16:15,609 INFO L138 SettingsManager]: * Use SBE=true [2019-08-21 21:16:15,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-21 21:16:15,609 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-21 21:16:15,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-21 21:16:15,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-21 21:16:15,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-21 21:16:15,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-21 21:16:15,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-21 21:16:15,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-21 21:16:15,612 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-21 21:16:15,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-21 21:16:15,613 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-21 21:16:15,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-21 21:16:15,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-21 21:16:15,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-21 21:16:15,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-21 21:16:15,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-21 21:16:15,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-21 21:16:15,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-21 21:16:15,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-21 21:16:15,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-21 21:16:15,616 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-21 21:16:15,617 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-21 21:16:15,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-21 21:16:15,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-21 21:16:16,027 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-21 21:16:16,426 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-21 21:16:16,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-21 21:16:16,744 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-21 21:16:16,744 INFO L275 PluginConnector]: CDTParser initialized [2019-08-21 21:16:16,745 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/sorting_selectionsort_ground-1.i [2019-08-21 21:16:17,840 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e44404eed/485a52b895f74d57aa3543b59dd2b93c/FLAGcbf97036f [2019-08-21 21:16:32,203 INFO L306 CDTParser]: Found 1 translation units. [2019-08-21 21:16:32,207 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/sorting_selectionsort_ground-1.i [2019-08-21 21:16:32,653 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e44404eed/485a52b895f74d57aa3543b59dd2b93c/FLAGcbf97036f [2019-08-21 21:16:33,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e44404eed/485a52b895f74d57aa3543b59dd2b93c [2019-08-21 21:16:33,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-21 21:16:33,324 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-21 21:16:34,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-21 21:16:34,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-21 21:16:34,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-21 21:16:34,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:16:33" (1/1) ... [2019-08-21 21:16:34,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7735e1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:34, skipping insertion in model container [2019-08-21 21:16:34,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:16:33" (1/1) ... [2019-08-21 21:16:34,995 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-21 21:16:35,421 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-21 21:16:40,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-21 21:16:40,659 INFO L188 MainTranslator]: Completed pre-run [2019-08-21 21:16:40,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-21 21:16:54,807 INFO L192 MainTranslator]: Completed translation [2019-08-21 21:16:54,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:54 WrapperNode [2019-08-21 21:16:54,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-21 21:16:54,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-21 21:16:54,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-21 21:16:54,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-21 21:16:54,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:54" (1/1) ... [2019-08-21 21:16:54,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:54" (1/1) ... [2019-08-21 21:16:56,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:54" (1/1) ... [2019-08-21 21:16:56,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:54" (1/1) ... [2019-08-21 21:16:56,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:54" (1/1) ... [2019-08-21 21:16:56,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:54" (1/1) ... [2019-08-21 21:16:56,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:54" (1/1) ... [2019-08-21 21:16:56,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-21 21:16:56,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-21 21:16:56,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-21 21:16:56,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-21 21:16:56,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:54" (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 [2019-08-21 21:16:56,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-21 21:16:56,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-21 21:16:56,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-21 21:16:56,816 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-21 21:16:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-21 21:16:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-21 21:16:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-21 21:16:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-21 21:16:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-21 21:16:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-21 21:16:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-21 21:16:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-21 21:16:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-21 21:16:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-21 21:17:16,234 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-21 21:17:16,234 INFO L283 CfgBuilder]: Removed 8 assume(true) statements. [2019-08-21 21:17:16,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:17:16 BoogieIcfgContainer [2019-08-21 21:17:16,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-21 21:17:16,971 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-21 21:17:16,971 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-21 21:17:16,973 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-21 21:17:16,977 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:17:16" (1/1) ... [2019-08-21 21:17:17,006 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-21 21:17:17,009 INFO L155 IcfgInterpreter]: Building call graph [2019-08-21 21:17:17,364 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-21 21:17:18,434 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-21 21:17:18,436 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-21 21:17:18,534 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 [2019-08-21 21:17:18,534 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-21 21:17:21,753 WARN L188 SmtUtils]: Spent 3.22 s on a formula simplification that was a NOOP. DAG size: 9 [2019-08-21 21:17:21,754 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-21 21:17:21,754 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-21 21:17:21,755 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-21 21:17:21,773 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-21 21:17:35,971 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 [2019-08-21 21:17:37,103 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-21 21:17:37,383 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2019-08-21 21:17:37,383 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-21 21:17:37,386 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-21 21:17:37,386 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28 [2019-08-21 21:17:47,744 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-21 21:17:47,750 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-21 21:17:48,976 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-21 21:17:48,987 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-21 21:17:49,004 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-21 21:17:49,010 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-21 21:17:49,454 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:156, output treesize:1 [2019-08-21 21:18:02,989 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-21 21:18:02,989 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-21 21:18:02,999 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-21 21:18:02,999 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-21 21:18:03,003 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-21 21:18:03,003 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-21 21:18:03,004 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:156, output treesize:1