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/test04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:26:55,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:26:55,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:26:55,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:26:55,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:26:55,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:26:55,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:26:55,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:26:55,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:26:55,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:26:55,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:26:55,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:26:55,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:26:55,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:26:55,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:26:55,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:26:55,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:26:55,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:26:55,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:26:55,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:26:55,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:26:55,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:26:55,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:26:55,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:26:55,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 03:26:55,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 03:26:55,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 03:26:55,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 03:26:55,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 03:26:55,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 03:26:55,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 03:26:55,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 03:26:55,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 03:26:55,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 03:26:55,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 03:26:55,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 03:26:55,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 03:26:55,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 03:26:55,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:26:55,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:26:55,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:26:55,254 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 03:26:55,270 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:26:55,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:26:55,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:26:55,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:26:55,272 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:26:55,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:26:55,272 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:26:55,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:26:55,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:26:55,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:26:55,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:26:55,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:26:55,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:26:55,274 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:26:55,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:26:55,274 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:26:55,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:26:55,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:26:55,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:26:55,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:26:55,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:26:55,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:26:55,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:26:55,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:26:55,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:26:55,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:26:55,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:26:55,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:26:55,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:26:55,309 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:26:55,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:26:55,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:26:55,336 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:26:55,336 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:26:55,337 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test04.c [2019-08-31 03:26:55,394 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ce7512d5/5e052299a1d3434fb26f4aeb514cd94e/FLAG0ac017ad7 [2019-08-31 03:26:55,902 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:26:55,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test04.c [2019-08-31 03:26:55,911 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ce7512d5/5e052299a1d3434fb26f4aeb514cd94e/FLAG0ac017ad7 [2019-08-31 03:26:56,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ce7512d5/5e052299a1d3434fb26f4aeb514cd94e [2019-08-31 03:26:56,217 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:26:56,218 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:26:56,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:26:56,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:26:56,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:26:56,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:26:56" (1/1) ... [2019-08-31 03:26:56,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36cc1cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:56, skipping insertion in model container [2019-08-31 03:26:56,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:26:56" (1/1) ... [2019-08-31 03:26:56,236 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:26:56,253 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:26:56,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:26:56,419 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:26:56,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:26:56,448 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:26:56,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:56 WrapperNode [2019-08-31 03:26:56,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:26:56,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:26:56,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:26:56,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:26:56,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:56" (1/1) ... [2019-08-31 03:26:56,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:56" (1/1) ... [2019-08-31 03:26:56,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:56" (1/1) ... [2019-08-31 03:26:56,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:56" (1/1) ... [2019-08-31 03:26:56,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:56" (1/1) ... [2019-08-31 03:26:56,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:56" (1/1) ... [2019-08-31 03:26:56,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:56" (1/1) ... [2019-08-31 03:26:56,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:26:56,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:26:56,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:26:56,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:26:56,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:56" (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 03:26:56,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:26:56,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:26:56,625 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-31 03:26:56,625 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:26:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:26:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-31 03:26:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:26:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 03:26:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:26:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:26:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:26:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:26:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:26:56,904 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:26:56,904 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 03:26:56,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:26:56 BoogieIcfgContainer [2019-08-31 03:26:56,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:26:56,906 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:26:56,906 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:26:56,906 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:26:56,907 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:26:56" (1/1) ... [2019-08-31 03:26:56,940 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:26:56,941 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:26:56,948 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:26:56,957 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:26:56,959 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:26:57,055 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 03:26:57,056 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:57,089 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:57,090 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:26:57,090 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 03:26:57,108 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-08-31 03:26:57,133 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_1|], 10=[|v_old(#valid)_BEFORE_CALL_1|]} [2019-08-31 03:26:57,146 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:57,149 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2019-08-31 03:26:57,150 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:57,312 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-08-31 03:26:57,313 INFO L567 ElimStorePlain]: treesize reduction 9, result has 88.2 percent of original size [2019-08-31 03:26:57,373 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-31 03:26:57,374 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 37 [2019-08-31 03:26:57,376 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:57,466 INFO L567 ElimStorePlain]: treesize reduction 8, result has 86.4 percent of original size [2019-08-31 03:26:57,467 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:26:57,467 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:75, output treesize:51 [2019-08-31 03:26:57,497 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:57,534 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:26:57,535 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:26:57,540 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 27#(and (< |main_~#a~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (<= |main_~#b~0.offset| 0) (= |#valid| (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1)) (= (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |#length|) (not (= |main_~#b~0.base| 0)) (<= 0 |#NULL.base|) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (not (= 0 |main_~#a~0.base|)) (<= 0 |#NULL.offset|) (= main_~p2~0.offset |main_~#b~0.offset|) (= |main_~#b~0.offset| 0) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (<= main_~p1~0.offset 0) (<= |#NULL.base| 0) (<= 0 main_~p1~0.offset) (= main_~p1~0.base |main_~#a~0.base|) (or (and (= (store |old(#memory_int)| |main_~#a~0.base| (store (select |old(#memory_int)| |main_~#a~0.base|) |main_~#a~0.offset| 0)) |#memory_int|) (or (not (= main_~p1~0.base main_~p2~0.base)) (not (= main_~p2~0.offset main_~p1~0.offset)))) (and (= (store |old(#memory_int)| |main_~#a~0.base| (store (select |old(#memory_int)| |main_~#a~0.base|) |main_~#a~0.offset| 1)) |#memory_int|) (= main_~p2~0.offset main_~p1~0.offset) (= main_~p1~0.base main_~p2~0.base))) (= |main_~#b~0.base| main_~p2~0.base) (<= 0 |main_~#a~0.offset|) (<= |main_~#a~0.offset| 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (<= main_~p2~0.offset 0) (<= 0 |main_~#b~0.offset|) (= main_~p1~0.offset |main_~#a~0.offset|) (not (= (select (select |#memory_int| main_~p1~0.base) main_~p1~0.offset) 0)) (= |#NULL.offset| 0) (<= 0 main_~p2~0.offset)) [2019-08-31 03:26:57,557 INFO L99 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-08-31 03:26:57,558 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:26:57,567 INFO L168 Benchmark]: Toolchain (without parser) took 1345.07 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 89.4 MB in the beginning and 123.6 MB in the end (delta: -34.2 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:57,569 INFO L168 Benchmark]: CDTParser took 0.99 ms. Allocated memory is still 141.6 MB. Free memory was 107.7 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 03:26:57,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.95 ms. Allocated memory is still 141.6 MB. Free memory was 89.2 MB in the beginning and 79.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:57,575 INFO L168 Benchmark]: Boogie Preprocessor took 117.99 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 79.7 MB in the beginning and 178.8 MB in the end (delta: -99.1 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:57,576 INFO L168 Benchmark]: RCFGBuilder took 338.02 ms. Allocated memory is still 200.8 MB. Free memory was 178.8 MB in the beginning and 165.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:57,576 INFO L168 Benchmark]: Sifa took 655.42 ms. Allocated memory is still 200.8 MB. Free memory was 165.9 MB in the beginning and 123.6 MB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:57,580 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99 ms. Allocated memory is still 141.6 MB. Free memory was 107.7 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 228.95 ms. Allocated memory is still 141.6 MB. Free memory was 89.2 MB in the beginning and 79.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.99 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 79.7 MB in the beginning and 178.8 MB in the end (delta: -99.1 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 338.02 ms. Allocated memory is still 200.8 MB. Free memory was 178.8 MB in the beginning and 165.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * Sifa took 655.42 ms. Allocated memory is still 200.8 MB. Free memory was 165.9 MB in the beginning and 123.6 MB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 0.6s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 11 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 8 TOOLS_POST_APPLICATIONS, 0.1s TOOLS_POST_TIME, 3 TOOLS_POST_CALL_APPLICATIONS, 0.4s 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, 11 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, 36 DAG_COMPRESSION_PROCESSED_NODES, 24 DAG_COMPRESSION_RETAINED_NODES - PositiveResult [Line: 22]: 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...