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/alias_of_return_2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:24:54,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:24:54,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:24:54,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:24:54,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:24:54,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:24:54,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:24:54,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:24:54,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:24:54,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:24:54,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:24:54,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:24:54,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:24:54,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:24:54,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:24:54,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:24:54,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:24:54,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:24:54,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:24:54,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:24:54,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:24:54,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:24:54,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:24:54,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:24:54,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 03:24:54,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 03:24:54,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 03:24:54,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 03:24:54,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 03:24:54,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 03:24:54,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 03:24:54,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 03:24:54,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 03:24:54,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:24:54,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:24:54,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:24:54,516 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 03:24:54,550 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:24:54,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:24:54,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:24:54,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:24:54,553 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:24:54,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:24:54,553 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:24:54,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:24:54,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:24:54,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:24:54,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:24:54,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:24:54,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:24:54,556 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:24:54,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:24:54,557 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:24:54,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:24:54,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:24:54,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:24:54,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:24:54,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:24:54,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:24:54,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:24:54,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:24:54,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:24:54,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:24:54,560 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:24:54,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:24:54,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:24:54,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:24:54,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:24:54,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:24:54,613 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:24:54,613 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:24:54,614 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/alias_of_return_2.i [2019-08-31 03:24:54,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5599b14e8/331ab6f25412432aa2b2dcbedd223685/FLAGbe24ed6d2 [2019-08-31 03:24:55,084 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:24:55,086 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/alias_of_return_2.i [2019-08-31 03:24:55,092 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5599b14e8/331ab6f25412432aa2b2dcbedd223685/FLAGbe24ed6d2 [2019-08-31 03:24:55,535 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5599b14e8/331ab6f25412432aa2b2dcbedd223685 [2019-08-31 03:24:55,546 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:24:55,547 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:24:55,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:24:55,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:24:55,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:24:55,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:24:55" (1/1) ... [2019-08-31 03:24:55,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b19f224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:55, skipping insertion in model container [2019-08-31 03:24:55,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:24:55" (1/1) ... [2019-08-31 03:24:55,562 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:24:55,575 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:24:55,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:24:55,804 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:24:55,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:24:55,842 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:24:55,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:55 WrapperNode [2019-08-31 03:24:55,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:24:55,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:24:55,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:24:55,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:24:55,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:55" (1/1) ... [2019-08-31 03:24:55,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:55" (1/1) ... [2019-08-31 03:24:55,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:55" (1/1) ... [2019-08-31 03:24:55,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:55" (1/1) ... [2019-08-31 03:24:55,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:55" (1/1) ... [2019-08-31 03:24:55,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:55" (1/1) ... [2019-08-31 03:24:55,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:55" (1/1) ... [2019-08-31 03:24:55,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:24:55,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:24:55,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:24:55,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:24:55,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:55" (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 03:24:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:24:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:24:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2019-08-31 03:24:56,012 INFO L138 BoogieDeclarations]: Found implementation of procedure return_self [2019-08-31 03:24:56,012 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:24:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:24:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure err [2019-08-31 03:24:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 03:24:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure return_self [2019-08-31 03:24:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:24:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 03:24:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:24:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:24:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:24:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:24:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:24:56,253 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:24:56,253 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 03:24:56,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:24:56 BoogieIcfgContainer [2019-08-31 03:24:56,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:24:56,255 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:24:56,255 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:24:56,255 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:24:56,256 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:24:56" (1/1) ... [2019-08-31 03:24:56,304 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:24:56,305 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:24:56,313 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:24:56,330 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:24:56,344 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:24:56,436 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 03:24:56,437 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:24:56,457 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:24:56,458 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:24:56,458 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 03:24:56,478 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-08-31 03:24:56,509 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_1|], 3=[|v_old(#valid)_BEFORE_CALL_1|]} [2019-08-31 03:24:56,525 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 03:24:56,526 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:24:56,622 INFO L567 ElimStorePlain]: treesize reduction 9, result has 85.2 percent of original size [2019-08-31 03:24:56,632 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2019-08-31 03:24:56,633 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:24:56,694 INFO L567 ElimStorePlain]: treesize reduction 4, result has 91.3 percent of original size [2019-08-31 03:24:56,701 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 11 treesize of output 7 [2019-08-31 03:24:56,701 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:24:56,725 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:24:56,725 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:24:56,726 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:62, output treesize:38 [2019-08-31 03:24:56,755 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_2|], 3=[|v_old(#valid)_BEFORE_CALL_2|]} [2019-08-31 03:24:56,766 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-31 03:24:56,767 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:24:56,769 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:24:56,770 INFO L464 ElimStorePlain]: Eliminatee |v_old(#valid)_BEFORE_CALL_2| vanished before elimination [2019-08-31 03:24:56,773 INFO L464 ElimStorePlain]: Eliminatee |v_old(#memory_int)_BEFORE_CALL_2| vanished before elimination [2019-08-31 03:24:56,773 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:24:56,773 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:67, output treesize:1 [2019-08-31 03:24:56,774 INFO L199 IcfgInterpreter]: Interpreting procedure err with input of size 1 for LOIs [2019-08-31 03:24:56,776 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:24:56,776 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:24:56,778 INFO L193 IcfgInterpreter]: Reachable states at location errErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 34#false [2019-08-31 03:24:56,786 INFO L99 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-08-31 03:24:56,786 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:24:56,788 INFO L168 Benchmark]: Toolchain (without parser) took 1240.86 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 88.3 MB in the beginning and 126.6 MB in the end (delta: -38.3 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-08-31 03:24:56,789 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory is still 106.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 03:24:56,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.30 ms. Allocated memory is still 132.6 MB. Free memory was 88.3 MB in the beginning and 78.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-31 03:24:56,791 INFO L168 Benchmark]: Boogie Preprocessor took 107.43 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 78.8 MB in the beginning and 174.6 MB in the end (delta: -95.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-31 03:24:56,794 INFO L168 Benchmark]: RCFGBuilder took 303.37 ms. Allocated memory is still 198.7 MB. Free memory was 174.6 MB in the beginning and 161.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-08-31 03:24:56,794 INFO L168 Benchmark]: Sifa took 531.57 ms. Allocated memory is still 198.7 MB. Free memory was 161.8 MB in the beginning and 126.6 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2019-08-31 03:24:56,798 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory is still 106.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 295.30 ms. Allocated memory is still 132.6 MB. Free memory was 88.3 MB in the beginning and 78.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.43 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 78.8 MB in the beginning and 174.6 MB in the end (delta: -95.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 303.37 ms. Allocated memory is still 198.7 MB. Free memory was 174.6 MB in the beginning and 161.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * Sifa took 531.57 ms. Allocated memory is still 198.7 MB. Free memory was 161.8 MB in the beginning and 126.6 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 0.5s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 15 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 10 TOOLS_POST_APPLICATIONS, 0.1s TOOLS_POST_TIME, 4 TOOLS_POST_CALL_APPLICATIONS, 0.3s TOOLS_POST_CALL_TIME, 2 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.4s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 15 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 4 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 0 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 1 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 0 LOOP_SUMMARIZER_APPLICATIONS, 0 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 0 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, 47 DAG_COMPRESSION_PROCESSED_NODES, 34 DAG_COMPRESSION_RETAINED_NODES - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...