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/ldv-regression/test24-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:28:04,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:28:04,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:28:04,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:28:04,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:28:04,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:28:04,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:28:04,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:28:04,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:28:04,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:28:04,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:28:04,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:28:04,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:28:04,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:28:04,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:28:04,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:28:04,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:28:04,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:28:04,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:28:04,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:28:04,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:28:04,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:28:04,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:28:04,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:28:04,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 03:28:04,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 03:28:04,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 03:28:04,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 03:28:04,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 03:28:04,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 03:28:04,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 03:28:04,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 03:28:04,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 03:28:04,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:28:04,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:28:04,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:28:04,495 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 [2019-08-31 03:28:04,510 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:28:04,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:28:04,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:28:04,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:28:04,512 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:28:04,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:28:04,513 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:28:04,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:28:04,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:28:04,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:28:04,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:28:04,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:28:04,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:28:04,514 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:28:04,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:28:04,514 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:28:04,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:28:04,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:28:04,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:28:04,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:28:04,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:28:04,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:28:04,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:28:04,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:28:04,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:28:04,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:28:04,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:28:04,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:28:04,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:28:04,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:28:04,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:28:04,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:28:04,565 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:28:04,566 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:28:04,566 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test24-2.c [2019-08-31 03:28:04,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aab6b74a5/74607436bfb74c158e33dee87f8c6bbe/FLAG88123fa9d [2019-08-31 03:28:05,137 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:28:05,139 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test24-2.c [2019-08-31 03:28:05,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aab6b74a5/74607436bfb74c158e33dee87f8c6bbe/FLAG88123fa9d [2019-08-31 03:28:05,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aab6b74a5/74607436bfb74c158e33dee87f8c6bbe [2019-08-31 03:28:05,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:28:05,524 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:28:05,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:28:05,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:28:05,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:28:05,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:28:05" (1/1) ... [2019-08-31 03:28:05,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5043ece0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:05, skipping insertion in model container [2019-08-31 03:28:05,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:28:05" (1/1) ... [2019-08-31 03:28:05,541 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:28:05,559 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:28:05,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:28:05,759 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:28:05,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:28:05,891 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:28:05,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:05 WrapperNode [2019-08-31 03:28:05,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:28:05,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:28:05,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:28:05,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:28:05,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:05" (1/1) ... [2019-08-31 03:28:05,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:05" (1/1) ... [2019-08-31 03:28:05,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:05" (1/1) ... [2019-08-31 03:28:05,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:05" (1/1) ... [2019-08-31 03:28:05,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:05" (1/1) ... [2019-08-31 03:28:05,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:05" (1/1) ... [2019-08-31 03:28:05,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:05" (1/1) ... [2019-08-31 03:28:05,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:28:05,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:28:05,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:28:05,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:28:05,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:05" (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 [2019-08-31 03:28:06,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:28:06,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:28:06,003 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-31 03:28:06,003 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:28:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:28:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 03:28:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-31 03:28:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:28:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:28:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 03:28:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:28:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:28:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:28:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:28:06,286 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:28:06,287 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-31 03:28:06,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:28:06 BoogieIcfgContainer [2019-08-31 03:28:06,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:28:06,292 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:28:06,292 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:28:06,293 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:28:06,294 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:28:06" (1/1) ... [2019-08-31 03:28:06,333 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:28:06,333 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:28:06,342 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:28:06,350 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:28:06,354 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:28:06,466 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 [2019-08-31 03:28:06,467 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:28:06,496 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:28:06,496 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:28:06,497 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 03:28:06,514 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-08-31 03:28:06,695 INFO L341 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2019-08-31 03:28:06,696 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 1 case distinctions, treesize of input 23 treesize of output 24 [2019-08-31 03:28:06,697 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:28:06,731 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:28:06,735 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:28:06,738 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:43, output treesize:54 [2019-08-31 03:28:06,782 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 25 treesize of output 21 [2019-08-31 03:28:06,783 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:28:06,860 INFO L567 ElimStorePlain]: treesize reduction 18, result has 81.3 percent of original size [2019-08-31 03:28:06,861 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:28:06,861 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:78 [2019-08-31 03:28:06,900 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 25 treesize of output 21 [2019-08-31 03:28:06,900 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:28:06,980 INFO L567 ElimStorePlain]: treesize reduction 18, result has 81.3 percent of original size [2019-08-31 03:28:06,981 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:28:06,982 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:78 [2019-08-31 03:28:07,004 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:28:07,004 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:28:07,006 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 84#(and (= 0 (mod (+ main_~pa~0.offset (* 7 |main_~#ad1~0.offset|)) 8)) (<= (select (select |#memory_int| main_~pa~0.base) main_~pa~0.offset) main_~i~0) (<= 20 main_~j~0) (not (< main_~j~0 20)) (= |main_~#ad1~0.offset| main_~ad2~0.offset) (not (= main_~i~0 (select (select |#memory_int| |main_~#ad1~0.base|) (+ (* 8 main_~i~0) |main_~#ad1~0.offset|)))) (= (+ (select (select |#memory_int| main_~ad2~0.base) (+ (* 8 (div (+ main_~pa~0.offset (- |main_~#ad1~0.offset|)) 8)) main_~ad2~0.offset)) 10) main_~i~0) (= main_~pa~0.base |main_~#ad1~0.base|) (<= 0 (div (+ main_~pa~0.offset (- |main_~#ad1~0.offset|)) 8)) (= |main_~#ad1~0.base| main_~ad2~0.base) (= (div (+ main_~pa~0.offset (- |main_~#ad1~0.offset|)) 8) (select (select |#memory_int| |main_~#ad1~0.base|) (+ (* 8 (div (+ main_~pa~0.offset (- |main_~#ad1~0.offset|)) 8)) |main_~#ad1~0.offset|))) (< (div (+ main_~pa~0.offset (- |main_~#ad1~0.offset|)) 8) 10)) [2019-08-31 03:28:07,024 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 03:28:07,024 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:28:07,028 INFO L168 Benchmark]: Toolchain (without parser) took 1501.60 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 88.6 MB in the beginning and 117.2 MB in the end (delta: -28.6 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. [2019-08-31 03:28:07,030 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 03:28:07,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.60 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 88.4 MB in the beginning and 177.7 MB in the end (delta: -89.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-08-31 03:28:07,035 INFO L168 Benchmark]: Boogie Preprocessor took 50.43 ms. Allocated memory is still 200.3 MB. Free memory was 177.7 MB in the beginning and 175.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-31 03:28:07,036 INFO L168 Benchmark]: RCFGBuilder took 348.72 ms. Allocated memory is still 200.3 MB. Free memory was 175.4 MB in the beginning and 160.4 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2019-08-31 03:28:07,036 INFO L168 Benchmark]: Sifa took 732.32 ms. Allocated memory is still 200.3 MB. Free memory was 160.4 MB in the beginning and 117.2 MB in the end (delta: 43.2 MB). Peak memory consumption was 43.2 MB. Max. memory is 7.1 GB. [2019-08-31 03:28:07,040 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 366.60 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 88.4 MB in the beginning and 177.7 MB in the end (delta: -89.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.43 ms. Allocated memory is still 200.3 MB. Free memory was 177.7 MB in the beginning and 175.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 348.72 ms. Allocated memory is still 200.3 MB. Free memory was 175.4 MB in the beginning and 160.4 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. * Sifa took 732.32 ms. Allocated memory is still 200.3 MB. Free memory was 160.4 MB in the beginning and 117.2 MB in the end (delta: 43.2 MB). Peak memory consumption was 43.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 0.7s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 35 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 3 DAG_INTERPRETER_EARLY_EXITS, 30 TOOLS_POST_APPLICATIONS, 0.5s TOOLS_POST_TIME, 3 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 2 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.5s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 39 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 9 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 2 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 4 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 7 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 2 LOOP_SUMMARIZER_APPLICATIONS, 2 LOOP_SUMMARIZER_CACHE_MISSES, 0.2s LOOP_SUMMARIZER_OVERALL_TIME, 0.2s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 4 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 2 CALL_SUMMARIZER_APPLICATIONS, 2 CALL_SUMMARIZER_CACHE_MISSES, 0.1s CALL_SUMMARIZER_OVERALL_TIME, 0.1s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 197 DAG_COMPRESSION_PROCESSED_NODES, 70 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 37]: 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 84#(and (= 0 (mod (+ main_~pa~0.offset (* 7 |main_~#ad1~0.offset|)) 8)) (<= (select (select |#memory_int| main_~pa~0.base) main_~pa~0.offset) main_~i~0) (<= 20 main_~j~0) (not (< main_~j~0 20)) (= |main_~#ad1~0.offset| main_~ad2~0.offset) (not (= main_~i~0 (select (select |#memory_int| |main_~#ad1~0.base|) (+ (* 8 main_~i~0) |main_~#ad1~0.offset|)))) (= (+ (select (select |#memory_int| main_~ad2~0.base) (+ (* 8 (div (+ main_~pa~0.offset (- |main_~#ad1~0.offset|)) 8)) main_~ad2~0.offset)) 10) main_~i~0) (= main_~pa~0.base |main_~#ad1~0.base|) (<= 0 (div (+ main_~pa~0.offset (- |main_~#ad1~0.offset|)) 8)) (= |main_~#ad1~0.base| main_~ad2~0.base) (= (div (+ main_~pa~0.offset (- |main_~#ad1~0.offset|)) 8) (select (select |#memory_int| |main_~#ad1~0.base|) (+ (* 8 (div (+ main_~pa~0.offset (- |main_~#ad1~0.offset|)) 8)) |main_~#ad1~0.offset|))) (< (div (+ main_~pa~0.offset (- |main_~#ad1~0.offset|)) 8) 10)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...