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/nested_structure-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:53:02,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:53:02,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:53:02,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:53:02,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:53:02,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:53:02,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:53:02,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:53:02,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:53:02,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:53:02,346 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:53:02,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:53:02,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:53:02,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:53:02,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:53:02,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:53:02,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:53:02,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:53:02,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:53:02,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:53:02,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:53:02,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:53:02,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:53:02,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:53:02,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 06:53:02,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 06:53:02,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 06:53:02,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 06:53:02,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 06:53:02,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 06:53:02,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:53:02,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:53:02,372 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:53:02,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:53:02,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:53:02,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:53:02,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:53:02,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:53:02,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:53:02,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:53:02,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:53:02,378 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 [2019-08-18 06:53:02,392 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:53:02,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:53:02,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:53:02,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:53:02,394 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:53:02,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:53:02,395 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:53:02,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:53:02,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:53:02,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:53:02,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:53:02,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:53:02,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:53:02,396 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:53:02,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:53:02,396 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:53:02,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:53:02,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:53:02,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:53:02,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:53:02,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:53:02,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:53:02,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:53:02,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:53:02,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:53:02,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:53:02,399 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:53:02,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:53:02,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:53:02,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:53:02,443 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:53:02,446 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:53:02,448 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:53:02,448 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:53:02,449 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure-2.i [2019-08-18 06:53:02,521 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39ba6e990/8a1585ff7a23474dae8846f3e76d2fc9/FLAGdd620bec9 [2019-08-18 06:53:02,961 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:53:02,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure-2.i [2019-08-18 06:53:02,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39ba6e990/8a1585ff7a23474dae8846f3e76d2fc9/FLAGdd620bec9 [2019-08-18 06:53:03,338 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39ba6e990/8a1585ff7a23474dae8846f3e76d2fc9 [2019-08-18 06:53:03,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:53:03,353 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:53:03,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:53:03,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:53:03,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:53:03,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:53:03" (1/1) ... [2019-08-18 06:53:03,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce7d7f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:03, skipping insertion in model container [2019-08-18 06:53:03,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:53:03" (1/1) ... [2019-08-18 06:53:03,373 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:53:03,389 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:53:03,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:53:03,564 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:53:03,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:53:03,603 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:53:03,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:03 WrapperNode [2019-08-18 06:53:03,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:53:03,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:53:03,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:53:03,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:53:03,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:03" (1/1) ... [2019-08-18 06:53:03,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:03" (1/1) ... [2019-08-18 06:53:03,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:03" (1/1) ... [2019-08-18 06:53:03,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:03" (1/1) ... [2019-08-18 06:53:03,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:03" (1/1) ... [2019-08-18 06:53:03,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:03" (1/1) ... [2019-08-18 06:53:03,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:03" (1/1) ... [2019-08-18 06:53:03,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:53:03,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:53:03,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:53:03,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:53:03,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:03" (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 [2019-08-18 06:53:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:53:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:53:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-18 06:53:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:53:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:53:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-18 06:53:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-08-18 06:53:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2019-08-18 06:53:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2019-08-18 06:53:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:53:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:53:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-18 06:53:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-18 06:53:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 06:53:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:53:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:53:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:53:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:53:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:53:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 06:53:04,068 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:53:04,068 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 06:53:04,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:53:04 BoogieIcfgContainer [2019-08-18 06:53:04,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:53:04,070 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:53:04,070 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:53:04,070 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:53:04,071 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:53:04" (1/1) ... [2019-08-18 06:53:04,082 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:53:04,084 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:53:04,091 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:53:04,098 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:53:04,099 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:53:04,175 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 [2019-08-18 06:53:04,176 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:04,205 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:04,206 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:53:04,206 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:53:04,218 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 23 [2019-08-18 06:53:04,269 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:04,298 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_1|], 21=[|v_old(#valid)_BEFORE_CALL_1|]} [2019-08-18 06:53:04,318 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 06:53:04,319 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:04,348 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:53:04,352 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:53:04,354 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:53:04,360 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 545 treesize of output 548 [2019-08-18 06:53:04,364 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:04,718 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2019-08-18 06:53:04,720 INFO L567 ElimStorePlain]: treesize reduction 35, result has 93.6 percent of original size [2019-08-18 06:53:04,731 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:53:04,744 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:53:04,746 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:53:04,775 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:53:04,777 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:53:04,780 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:53:04,790 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 51 [2019-08-18 06:53:04,792 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:05,018 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-08-18 06:53:05,019 INFO L567 ElimStorePlain]: treesize reduction 30, result has 93.2 percent of original size [2019-08-18 06:53:05,023 INFO L392 ElimStorePlain]: Different costs {6=[|v_old(#memory_$Pointer$.base)_BEFORE_CALL_1|, |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_1|], 12=[|v_old(#memory_int)_BEFORE_CALL_1|]} [2019-08-18 06:53:05,032 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 06:53:05,093 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:05,094 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 371 treesize of output 286 [2019-08-18 06:53:05,104 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,120 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 06:53:05,122 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,128 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 06:53:05,131 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,138 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,141 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,150 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,153 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,159 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 06:53:05,161 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,166 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,170 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,178 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,184 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 06:53:05,185 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,191 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,196 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,198 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 06:53:05,199 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,203 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,205 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,209 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 06:53:05,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,215 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,217 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,220 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 06:53:05,221 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,223 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,225 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,227 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 06:53:05,228 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,232 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,234 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,243 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 06:53:05,243 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,246 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,251 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:05,255 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 14 xjuncts. [2019-08-18 06:53:05,678 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 69 [2019-08-18 06:53:05,679 INFO L567 ElimStorePlain]: treesize reduction 4158, result has 7.3 percent of original size [2019-08-18 06:53:05,739 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:05,740 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 293 treesize of output 298 [2019-08-18 06:53:05,744 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:05,807 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:05,814 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:53:05,816 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:53:05,817 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:53:05,821 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2019-08-18 06:53:05,822 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:05,873 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:05,876 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:53:05,876 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:1092, output treesize:141 [2019-08-18 06:53:05,878 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 56 [2019-08-18 06:53:05,883 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:53:05,883 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:53:05,885 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 15#(and (exists ((|v_main_~#good~0.base_BEFORE_CALL_1| Int)) (and (= |__VERIFIER_assert_#in~cond| 1) (< (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_main_~#good~0.base_BEFORE_CALL_1|) 4)) 4) |#StackHeapBarrier|) (= 0 |#NULL.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |v_main_~#good~0.base_BEFORE_CALL_1|) 4)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_main_~#good~0.base_BEFORE_CALL_1|) 4)) 4) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |v_main_~#good~0.base_BEFORE_CALL_1|) 4)) 8) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_main_~#good~0.base_BEFORE_CALL_1|) 4)) 4)) 0) 4) (= (select (select |#memory_int| |v_main_~#good~0.base_BEFORE_CALL_1|) 0) 1) (= (select |#length| |v_main_~#good~0.base_BEFORE_CALL_1|) 8) (= (select (select |#memory_$Pointer$.offset| |v_main_~#good~0.base_BEFORE_CALL_1|) 4) 0) (= 2 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |v_main_~#good~0.base_BEFORE_CALL_1|) 4)) 0)) (= 0 (select |#valid| 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_main_~#good~0.base_BEFORE_CALL_1|) 4)) 4)) 1) (= 1 (select |#valid| |v_main_~#good~0.base_BEFORE_CALL_1|)) (< |v_main_~#good~0.base_BEFORE_CALL_1| |#StackHeapBarrier|) (= |#NULL.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_main_~#good~0.base_BEFORE_CALL_1|) 4)) 4)) 4) (< (select (select |#memory_$Pointer$.base| |v_main_~#good~0.base_BEFORE_CALL_1|) 4) |#StackHeapBarrier|))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-18 06:53:05,891 INFO L88 terpretationObserver]: ✔ All locations of interest are guaranteed to be unreachable. [2019-08-18 06:53:05,892 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:53:05,894 INFO L168 Benchmark]: Toolchain (without parser) took 2540.50 ms. Allocated memory was 130.0 MB in the beginning and 215.5 MB in the end (delta: 85.5 MB). Free memory was 86.0 MB in the beginning and 93.9 MB in the end (delta: -7.9 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:05,895 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 130.0 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:53:05,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.77 ms. Allocated memory is still 130.0 MB. Free memory was 85.8 MB in the beginning and 75.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:05,897 INFO L168 Benchmark]: Boogie Preprocessor took 117.71 ms. Allocated memory was 130.0 MB in the beginning and 197.1 MB in the end (delta: 67.1 MB). Free memory was 75.8 MB in the beginning and 172.6 MB in the end (delta: -96.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:05,897 INFO L168 Benchmark]: RCFGBuilder took 345.59 ms. Allocated memory is still 197.1 MB. Free memory was 172.6 MB in the beginning and 157.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:05,898 INFO L168 Benchmark]: Symbolic Interpretation took 1822.00 ms. Allocated memory was 197.1 MB in the beginning and 215.5 MB in the end (delta: 18.4 MB). Free memory was 157.4 MB in the beginning and 93.9 MB in the end (delta: 63.5 MB). Peak memory consumption was 92.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:05,903 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 130.0 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 249.77 ms. Allocated memory is still 130.0 MB. Free memory was 85.8 MB in the beginning and 75.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.71 ms. Allocated memory was 130.0 MB in the beginning and 197.1 MB in the end (delta: 67.1 MB). Free memory was 75.8 MB in the beginning and 172.6 MB in the end (delta: -96.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 345.59 ms. Allocated memory is still 197.1 MB. Free memory was 172.6 MB in the beginning and 157.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1822.00 ms. Allocated memory was 197.1 MB in the beginning and 215.5 MB in the end (delta: 18.4 MB). Free memory was 157.4 MB in the beginning and 93.9 MB in the end (delta: 63.5 MB). Peak memory consumption was 92.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...