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 0.1.24-584d7b9 [2019-08-31 03:25:59,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:25:59,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:25:59,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:25:59,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:25:59,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:25:59,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:25:59,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:25:59,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:25:59,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:25:59,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:25:59,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:25:59,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:25:59,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:25:59,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:25:59,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:25:59,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:25:59,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:25:59,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:25:59,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:25:59,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:25:59,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:25:59,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:25:59,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:25:59,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 03:25:59,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:25:59,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:25:59,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:25:59,416 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 03:25:59,431 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:25:59,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:25:59,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:25:59,433 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:25:59,433 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:25:59,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:25:59,433 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:25:59,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:25:59,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:25:59,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:25:59,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:25:59,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:25:59,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:25:59,435 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:25:59,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:25:59,435 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:25:59,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:25:59,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:25:59,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:25:59,436 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:25:59,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:25:59,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:25:59,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:25:59,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:25:59,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:25:59,439 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:25:59,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:25:59,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:25:59,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:25:59,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:25:59,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:25:59,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:25:59,501 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:25:59,501 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:25:59,502 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure-2.i [2019-08-31 03:25:59,589 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/824903660/5fc858f997f04befa2aee75049585f02/FLAG6312138ec [2019-08-31 03:26:00,088 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:26:00,090 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure-2.i [2019-08-31 03:26:00,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/824903660/5fc858f997f04befa2aee75049585f02/FLAG6312138ec [2019-08-31 03:26:00,403 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/824903660/5fc858f997f04befa2aee75049585f02 [2019-08-31 03:26:00,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:26:00,414 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:26:00,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:26:00,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:26:00,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:26:00,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:26:00" (1/1) ... [2019-08-31 03:26:00,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@271b11b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:00, skipping insertion in model container [2019-08-31 03:26:00,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:26:00" (1/1) ... [2019-08-31 03:26:00,431 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:26:00,450 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:26:00,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:26:00,675 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:26:00,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:26:00,711 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:26:00,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:00 WrapperNode [2019-08-31 03:26:00,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:26:00,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:26:00,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:26:00,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:26:00,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:00" (1/1) ... [2019-08-31 03:26:00,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:00" (1/1) ... [2019-08-31 03:26:00,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:00" (1/1) ... [2019-08-31 03:26:00,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:00" (1/1) ... [2019-08-31 03:26:00,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:00" (1/1) ... [2019-08-31 03:26:00,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:00" (1/1) ... [2019-08-31 03:26:00,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:00" (1/1) ... [2019-08-31 03:26:00,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:26:00,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:26:00,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:26:00,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:26:00,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:00" (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 03:26:00,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:26:00,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:26:00,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-31 03:26:00,904 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:26:00,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:26:00,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-31 03:26:00,904 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-08-31 03:26:00,904 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2019-08-31 03:26:00,905 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2019-08-31 03:26:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:26:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 03:26:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-31 03:26:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-31 03:26:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-31 03:26:00,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:26:00,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:26:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:26:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:26:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:26:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-31 03:26:01,126 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:26:01,127 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 03:26:01,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:26:01 BoogieIcfgContainer [2019-08-31 03:26:01,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:26:01,135 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:26:01,135 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:26:01,135 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:26:01,141 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:26:01" (1/1) ... [2019-08-31 03:26:01,211 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:26:01,211 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:26:01,221 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:26:01,235 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:26:01,237 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:26:01,357 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 03:26:01,357 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:01,388 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:01,389 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:26:01,389 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 03:26:01,407 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-08-31 03:26:01,471 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:01,531 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_1|], 21=[|v_old(#valid)_BEFORE_CALL_1|]} [2019-08-31 03:26:01,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:01,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:01,568 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:01,586 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 557 treesize of output 560 [2019-08-31 03:26:01,588 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:01,610 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-31 03:26:01,611 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:01,971 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 87 [2019-08-31 03:26:01,972 INFO L567 ElimStorePlain]: treesize reduction 44, result has 92.1 percent of original size [2019-08-31 03:26:01,983 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:01,987 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:01,989 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:02,000 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:02,003 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:02,006 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:02,011 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 [2019-08-31 03:26:02,013 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:02,284 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-08-31 03:26:02,284 INFO L567 ElimStorePlain]: treesize reduction 30, result has 93.3 percent of original size [2019-08-31 03:26:02,288 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|]} [2019-08-31 03:26:02,300 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 03:26:02,358 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:02,359 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 [2019-08-31 03:26:02,363 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,365 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:26:02,366 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,368 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:26:02,370 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,372 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,375 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,379 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,381 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:26:02,385 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,389 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,392 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,396 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,398 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:26:02,399 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,402 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,405 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,408 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:26:02,410 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,412 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,414 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,417 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,420 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:26:02,421 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,423 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,429 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:26:02,430 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,432 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,434 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,437 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:26:02,438 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,442 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,448 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:26:02,449 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,451 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,454 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:02,458 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 14 xjuncts. [2019-08-31 03:26:03,006 WARN L188 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 70 [2019-08-31 03:26:03,007 INFO L567 ElimStorePlain]: treesize reduction 4158, result has 7.4 percent of original size [2019-08-31 03:26:03,079 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:03,079 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 [2019-08-31 03:26:03,083 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:03,157 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:03,167 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:03,169 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:03,170 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:03,173 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 [2019-08-31 03:26:03,174 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:03,250 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:03,252 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. [2019-08-31 03:26:03,252 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:1116, output treesize:144 [2019-08-31 03:26:03,255 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 57 for LOIs [2019-08-31 03:26:03,276 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:26:03,276 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:26:03,282 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 20#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (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|) (<= |#NULL.base| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |v_main_~#good~0.base_BEFORE_CALL_1|) 4)) 1) (<= 0 |#NULL.base|) (= (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|)))) [2019-08-31 03:26:03,307 INFO L99 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-08-31 03:26:03,309 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:26:03,311 INFO L168 Benchmark]: Toolchain (without parser) took 2896.49 ms. Allocated memory was 133.2 MB in the beginning and 224.9 MB in the end (delta: 91.8 MB). Free memory was 88.0 MB in the beginning and 85.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 94.7 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:03,312 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 133.2 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 03:26:03,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.22 ms. Allocated memory is still 133.2 MB. Free memory was 87.8 MB in the beginning and 77.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:03,314 INFO L168 Benchmark]: Boogie Preprocessor took 124.54 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 77.7 MB in the beginning and 176.1 MB in the end (delta: -98.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:03,315 INFO L168 Benchmark]: RCFGBuilder took 296.48 ms. Allocated memory is still 200.3 MB. Free memory was 176.1 MB in the beginning and 161.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:03,316 INFO L168 Benchmark]: Sifa took 2174.75 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 160.8 MB in the beginning and 85.0 MB in the end (delta: 75.8 MB). Peak memory consumption was 100.4 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:03,322 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 133.2 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 297.22 ms. Allocated memory is still 133.2 MB. Free memory was 87.8 MB in the beginning and 77.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.54 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 77.7 MB in the beginning and 176.1 MB in the end (delta: -98.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 296.48 ms. Allocated memory is still 200.3 MB. Free memory was 176.1 MB in the beginning and 161.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * Sifa took 2174.75 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 160.8 MB in the beginning and 85.0 MB in the end (delta: 75.8 MB). Peak memory consumption was 100.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 2.1s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 9 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 6 TOOLS_POST_APPLICATIONS, 0.1s TOOLS_POST_TIME, 3 TOOLS_POST_CALL_APPLICATIONS, 1.8s TOOLS_POST_CALL_TIME, 1 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 1.9s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 9 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 2 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, 1 CALL_SUMMARIZER_APPLICATIONS, 1 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, 39 DAG_COMPRESSION_PROCESSED_NODES, 27 DAG_COMPRESSION_RETAINED_NODES - 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...