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.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:24:45,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:24:45,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:24:45,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:24:45,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:24:45,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:24:45,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:24:45,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:24:45,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:24:45,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:24:45,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:24:45,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:24:45,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:24:45,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:24:45,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:24:45,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:24:45,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:24:45,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:24:45,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:24:45,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:24:45,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:24:45,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:24:45,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:24:45,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:24:45,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 03:24:45,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 03:24:45,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 03:24:45,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 03:24:45,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 03:24:45,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 03:24:45,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 03:24:45,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 03:24:45,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 03:24:45,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:24:45,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:24:45,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:24:45,380 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 03:24:45,397 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:24:45,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:24:45,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:24:45,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:24:45,399 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:24:45,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:24:45,399 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:24:45,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:24:45,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:24:45,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:24:45,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:24:45,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:24:45,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:24:45,401 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:24:45,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:24:45,401 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:24:45,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:24:45,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:24:45,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:24:45,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:24:45,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:24:45,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:24:45,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:24:45,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:24:45,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:24:45,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:24:45,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:24:45,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:24:45,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:24:45,432 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:24:45,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:24:45,448 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:24:45,449 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:24:45,449 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:24:45,450 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/alias_of_return.i [2019-08-31 03:24:45,508 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c2fad5d5/1b6062252132463aadd375382de42ee5/FLAGc3be1e8a7 [2019-08-31 03:24:45,916 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:24:45,919 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/alias_of_return.i [2019-08-31 03:24:45,925 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c2fad5d5/1b6062252132463aadd375382de42ee5/FLAGc3be1e8a7 [2019-08-31 03:24:46,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c2fad5d5/1b6062252132463aadd375382de42ee5 [2019-08-31 03:24:46,355 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:24:46,357 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:24:46,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:24:46,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:24:46,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:24:46,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:24:46" (1/1) ... [2019-08-31 03:24:46,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@168213e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:46, skipping insertion in model container [2019-08-31 03:24:46,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:24:46" (1/1) ... [2019-08-31 03:24:46,372 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:24:46,388 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:24:46,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:24:46,577 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:24:46,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:24:46,606 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:24:46,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:46 WrapperNode [2019-08-31 03:24:46,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:24:46,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:24:46,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:24:46,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:24:46,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:46" (1/1) ... [2019-08-31 03:24:46,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:46" (1/1) ... [2019-08-31 03:24:46,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:46" (1/1) ... [2019-08-31 03:24:46,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:46" (1/1) ... [2019-08-31 03:24:46,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:46" (1/1) ... [2019-08-31 03:24:46,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:46" (1/1) ... [2019-08-31 03:24:46,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:46" (1/1) ... [2019-08-31 03:24:46,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:24:46,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:24:46,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:24:46,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:24:46,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:46" (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 03:24:46,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:24:46,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:24:46,795 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2019-08-31 03:24:46,795 INFO L138 BoogieDeclarations]: Found implementation of procedure return_self [2019-08-31 03:24:46,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:24:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:24:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure err [2019-08-31 03:24:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure return_self [2019-08-31 03:24:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:24:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 03:24:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:24:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:24:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:24:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:24:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:24:46,962 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:24:46,963 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 03:24:46,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:24:46 BoogieIcfgContainer [2019-08-31 03:24:46,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:24:46,964 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:24:46,965 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:24:46,965 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:24:46,966 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:24:46" (1/1) ... [2019-08-31 03:24:46,998 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:24:46,998 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:24:47,005 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:24:47,012 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:24:47,014 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:24:47,104 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 03:24:47,104 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:24:47,140 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:24:47,140 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:24:47,141 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 03:24:47,157 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-08-31 03:24:47,183 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_1|], 3=[|v_old(#valid)_BEFORE_CALL_1|]} [2019-08-31 03:24:47,198 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 03:24:47,198 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:24:47,360 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2019-08-31 03:24:47,360 INFO L567 ElimStorePlain]: treesize reduction 9, result has 85.2 percent of original size [2019-08-31 03:24:47,371 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 03:24:47,372 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:24:47,423 INFO L567 ElimStorePlain]: treesize reduction 4, result has 91.3 percent of original size [2019-08-31 03:24:47,432 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 03:24:47,432 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:24:47,458 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:24:47,459 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 03:24:47,459 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:62, output treesize:38 [2019-08-31 03:24:47,497 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_2|], 3=[|v_old(#valid)_BEFORE_CALL_2|]} [2019-08-31 03:24:47,504 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-31 03:24:47,505 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:24:47,506 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:24:47,507 INFO L464 ElimStorePlain]: Eliminatee |v_old(#valid)_BEFORE_CALL_2| vanished before elimination [2019-08-31 03:24:47,508 INFO L464 ElimStorePlain]: Eliminatee |v_old(#memory_int)_BEFORE_CALL_2| vanished before elimination [2019-08-31 03:24:47,508 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 03:24:47,509 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:67, output treesize:1 [2019-08-31 03:24:47,510 INFO L199 IcfgInterpreter]: Interpreting procedure err with input of size 1 for LOIs [2019-08-31 03:24:47,511 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:24:47,512 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:24:47,518 INFO L193 IcfgInterpreter]: Reachable states at location errErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 28#false [2019-08-31 03:24:47,529 INFO L99 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-08-31 03:24:47,530 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:24:47,534 INFO L168 Benchmark]: Toolchain (without parser) took 1177.14 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 89.8 MB in the beginning and 132.5 MB in the end (delta: -42.7 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-08-31 03:24:47,535 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 03:24:47,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.74 ms. Allocated memory is still 142.1 MB. Free memory was 89.6 MB in the beginning and 80.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-31 03:24:47,539 INFO L168 Benchmark]: Boogie Preprocessor took 130.60 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 80.2 MB in the beginning and 179.9 MB in the end (delta: -99.7 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-08-31 03:24:47,539 INFO L168 Benchmark]: RCFGBuilder took 225.49 ms. Allocated memory is still 201.9 MB. Free memory was 179.9 MB in the beginning and 167.2 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-08-31 03:24:47,540 INFO L168 Benchmark]: Sifa took 567.71 ms. Allocated memory is still 201.9 MB. Free memory was 167.2 MB in the beginning and 132.5 MB in the end (delta: 34.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. [2019-08-31 03:24:47,545 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 249.74 ms. Allocated memory is still 142.1 MB. Free memory was 89.6 MB in the beginning and 80.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.60 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 80.2 MB in the beginning and 179.9 MB in the end (delta: -99.7 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 225.49 ms. Allocated memory is still 201.9 MB. Free memory was 179.9 MB in the beginning and 167.2 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * Sifa took 567.71 ms. Allocated memory is still 201.9 MB. Free memory was 167.2 MB in the beginning and 132.5 MB in the end (delta: 34.7 MB). Peak memory consumption was 34.7 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, 13 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 8 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, 13 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 3 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, 0 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, 44 DAG_COMPRESSION_PROCESSED_NODES, 32 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...